Other/YooAsset_API/YooAsset_API_Reference_3.0.md

# YooAsset API Reference

> Auto-generated from https://www.yooasset.com/docs/api/YooAsset/
> Generated on 2026-06-09 16:40:00

---
---

# Class AllAssetsHandle


全资源句柄，用于加载资源包内所有资源对象。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AllAssetsHandle.cs#L9)

Declaration
```csharp
public sealed class AllAssetsHandle : HandleBase, IEnumerator, IDisposable

```

## Properties


### AllAssetObjects


所有资源对象集合


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AllAssetsHandle.cs#L56)

Declaration
```csharp
public IReadOnlyList<Object> AllAssetObjects { get; }

```

## Methods


### WaitForAsyncComplete()


等待异步执行完毕


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AllAssetsHandle.cs#L46)

Declaration
```csharp
public void WaitForAsyncComplete()

```

## Events


### Completed


当加载完成时触发


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AllAssetsHandle.cs#L24)

Declaration
```csharp
public event Action<AllAssetsHandle> Completed

```

##### Event Type


``System.Action<YooAsset.AllAssetsHandle>``


## Implements

- ``System.Collections.IEnumerator``

- ``System.IDisposable``
---

# Class AssetHandle


资源句柄，用于管理单个资源对象的加载和访问。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AssetHandle.cs#L8)

Declaration
```csharp
public sealed class AssetHandle : HandleBase, IEnumerator, IDisposable

```

## Properties


### AssetObject


资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AssetHandle.cs#L56)

Declaration
```csharp
public Object AssetObject { get; }

```

## Methods


### WaitForAsyncComplete()


等待异步执行完毕


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AssetHandle.cs#L45)

Declaration
```csharp
public void WaitForAsyncComplete()

```

### GetAssetObject<TAsset>()


获取资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AssetHandle.cs#L71)

Declaration
```csharp
public TAsset GetAssetObject<TAsset>() where TAsset : Object

```

##### Returns


``<TAsset>``: 资源对象，如果句柄无效则返回 null。##### Type Parameters

NameDescription``TAsset``资源类型

### InstantiateSync()


同步实例化游戏对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AssetHandle.cs#L82)

Declaration
```csharp
public GameObject InstantiateSync()

```

##### Returns


``UnityEngine.GameObject``: 实例化的游戏对象### InstantiateSync(InstantiateOptions)
同步实例化游戏对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AssetHandle.cs#L93)

Declaration
```csharp
public GameObject InstantiateSync(InstantiateOptions options)

```

##### Returns


``UnityEngine.GameObject``: 实例化的游戏对象


##### Parameters

TypeNameDescription[YooAsset.InstantiateOptions](/docs/api/YooAsset/InstantiateOptions)*options*实例化选项

### InstantiateAsync()


实例化游戏对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AssetHandle.cs#L102)

Declaration
```csharp
public InstantiateOperation InstantiateAsync()

```

##### Returns


[YooAsset.InstantiateOperation](/docs/api/YooAsset/InstantiateOperation): 实例化操作### InstantiateAsync(InstantiateOptions)
实例化游戏对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AssetHandle.cs#L113)

Declaration
```csharp
public InstantiateOperation InstantiateAsync(InstantiateOptions options)

```

##### Returns


[YooAsset.InstantiateOperation](/docs/api/YooAsset/InstantiateOperation): 实例化操作


##### Parameters

TypeNameDescription[YooAsset.InstantiateOptions](/docs/api/YooAsset/InstantiateOptions)*options*实例化选项

## Events


### Completed


当加载完成时触发


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/AssetHandle.cs#L23)

Declaration
```csharp
public event Action<AssetHandle> Completed

```

##### Event Type


``System.Action<YooAsset.AssetHandle>``


## Implements

- ``System.Collections.IEnumerator``

- ``System.IDisposable``
---

# Class AssetInfo


资源信息类


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/AssetInfo.cs#L43)

Declaration
```csharp
public class AssetInfo

```

## Properties


### PackageName


所属包裹


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/AssetInfo.cs#L51)

Declaration
```csharp
public string PackageName { get; }

```

### AssetType


资源类型


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/AssetInfo.cs#L56)

Declaration
```csharp
public Type AssetType { get; }

```

### Error


错误信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/AssetInfo.cs#L61)

Declaration
```csharp
public string Error { get; }

```

### IsValid


资源信息是否有效


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/AssetInfo.cs#L94)

Declaration
```csharp
public bool IsValid { get; }

```

### Address


可寻址地址


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/AssetInfo.cs#L105)

Declaration
```csharp
public string Address { get; }

```

### AssetPath


资源路径


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/AssetInfo.cs#L118)

Declaration
```csharp
public string AssetPath { get; }

```
---

# Class AsyncOperationBase


异步操作基类


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L11)

Declaration
```csharp
public abstract class AsyncOperationBase : IEnumerator, IComparable<AsyncOperationBase>

```

## Properties


### IsBusy


当前帧时间切片是否已用完


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L41)

Declaration
```csharp
protected bool IsBusy { get; }

```

### Priority


任务优先级（值越大越优先执行）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L55)

Declaration
```csharp
public uint Priority { get; set; }

```

### Progress


异步操作的处理进度（0f - 1f）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L73)

Declaration
```csharp
public float Progress { get; protected set; }

```

### IsDone


异步操作是否已结束


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L78)

Declaration
```csharp
public bool IsDone { get; }

```

### Error


操作失败时的错误描述


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L89)

Declaration
```csharp
public string Error { get; }

```

### Status


异步操作的当前状态


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L97)

Declaration
```csharp
public EOperationStatus Status { get; }

```

## Methods


### WaitForCompletion()


同步等待异步执行完毕


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L162)

Declaration
```csharp
public void WaitForCompletion()

```

### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L285)

Declaration
```csharp
protected abstract void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L290)

Declaration
```csharp
protected abstract void InternalUpdate()

```

### InternalAbort()


内部中止方法（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L295)

Declaration
```csharp
protected virtual void InternalAbort()

```

### InternalDispose()


内部释放方法（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L302)

Declaration
```csharp
protected virtual void InternalDispose()

```

### InternalGetDescription()


获取操作的描述信息（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L310)

Declaration
```csharp
protected virtual string InternalGetDescription()

```

##### Returns


``System.String``: 操作的描述字符串，默认返回空字符串。### InternalWaitForCompletion()
内部同步等待方法（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L321)

Declaration
```csharp
protected virtual void InternalWaitForCompletion()

```

### SetResult()


将操作标记为成功完成


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L330)

Declaration
```csharp
protected void SetResult()

```

### SetError(string)


将操作标记为失败


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L342)

Declaration
```csharp
protected void SetError(string error)

```

##### Parameters

TypeNameDescription``System.String``*error*错误描述

### CalculateMultiStageProgress(int, int, int, int)


计算多阶段操作的整体进度


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L359)

Declaration
```csharp
protected float CalculateMultiStageProgress(int stageIndex, int stageCount, int remaining, int total)

```

##### Returns


``System.Single``: 返回归一化的整体进度值（0-1）


##### Parameters

TypeNameDescription``System.Int32``*stageIndex*当前阶段索引（从0开始）``System.Int32``*stageCount*阶段总数``System.Int32``*remaining*当前阶段剩余工作量``System.Int32``*total*当前阶段总工作量

### AddChildOperation(AsyncOperationBase)


添加子任务


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L371)

Declaration
```csharp
protected void AddChildOperation(AsyncOperationBase child)

```

##### Parameters

TypeNameDescription[YooAsset.AsyncOperationBase](/docs/api/YooAsset/AsyncOperationBase)*child*要添加的子任务

### RemoveChildOperation(AsyncOperationBase)


移除子任务


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L398)

Declaration
```csharp
protected void RemoveChildOperation(AsyncOperationBase child)

```

##### Parameters

TypeNameDescription[YooAsset.AsyncOperationBase](/docs/api/YooAsset/AsyncOperationBase)*child*要移除的子任务

### ExecuteOnce()


执行一次更新逻辑


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L417)

Declaration
```csharp
protected void ExecuteOnce()

```

### ExecuteBatch(int)


批量执行一定次数的更新逻辑


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L432)

Declaration
```csharp
protected void ExecuteBatch(int count = 1000)

```

##### Parameters

TypeNameDescription``System.Int32``*count*最大执行次数，默认1000次。

### ExecuteUntilComplete(int)


循环执行更新逻辑直到操作完成


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L457)

Declaration
```csharp
protected void ExecuteUntilComplete(int sleepMilliseconds = 1)

```

##### Parameters

TypeNameDescription``System.Int32``*sleepMilliseconds*每次循环后的休眠时长（毫秒）

### CompareTo(AsyncOperationBase)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L672)

Declaration
```csharp
public int CompareTo(AsyncOperationBase other)

```

##### Returns


``System.Int32``


##### Parameters

TypeName[YooAsset.AsyncOperationBase](/docs/api/YooAsset/AsyncOperationBase)*other*

### GetAwaiter()


获取用于 async/await 的等待器


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L683)

Declaration
```csharp
public OperationAwaiter GetAwaiter()

```

##### Returns


[YooAsset.OperationAwaiter](/docs/api/YooAsset/OperationAwaiter): 当前操作的等待器## Events


### Completed


异步操作的完成事件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/AsyncOperationBase.cs#L108)

Declaration
```csharp
public event Action<AsyncOperationBase> Completed

```

##### Event Type


``System.Action<YooAsset.AsyncOperationBase>``


## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct BundleDecryptArgs


资源包解密操作的输入参数


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleDecryptor.cs#L9)

Declaration
```csharp
public readonly struct BundleDecryptArgs

```

## Properties


### FileData


资源包的二进制数据


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleDecryptor.cs#L22)

Declaration
```csharp
public byte[] FileData { get; }

```

### FilePath


资源包的文件路径


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleDecryptor.cs#L27)

Declaration
```csharp
public string FilePath { get; }

```
---

# Struct BundleDownloaderOptions


按资源信息创建下载器的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L7)

Declaration
```csharp
public readonly struct BundleDownloaderOptions

```

## Properties


### MaximumConcurrency


最大并发数量


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L12)

Declaration
```csharp
public int MaximumConcurrency { get; }

```

### RetryCount


失败后的重试次数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L17)

Declaration
```csharp
public int RetryCount { get; }

```

### DownloadBundleDependencies


下载资源对象所属资源包内所有资源对象依赖的资源包


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L22)

Declaration
```csharp
public bool DownloadBundleDependencies { get; }

```

### AssetInfos


资源信息列表


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L28)

Declaration
```csharp
public AssetInfo[] AssetInfos { get; }

```
---

# Struct BundleEncryptArgs


资源包加密操作的输入参数


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleEncryptor.cs#L7)

Declaration
```csharp
public readonly struct BundleEncryptArgs

```

## Properties


### FilePath


待加密的源文件路径


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleEncryptor.cs#L17)

Declaration
```csharp
public string FilePath { get; }

```
---

# Struct BundleEncryptResult


资源包加密操作的返回结果


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleEncryptor.cs#L34)

Declaration
```csharp
public readonly struct BundleEncryptResult

```

## Properties


### IsEncrypted


文件是否已加密


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleEncryptor.cs#L39)

Declaration
```csharp
public bool IsEncrypted { get; }

```

### EncryptedFileData


加密后的文件数据


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleEncryptor.cs#L44)

Declaration
```csharp
public byte[] EncryptedFileData { get; }

```
---

# Class BundleFileHandle


资源包文件句柄，用于持有已加载的资源包引用。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/BundleFileHandle.cs#L7)

Declaration
```csharp
public sealed class BundleFileHandle : HandleBase, IEnumerator, IDisposable

```

## Methods


### WaitForAsyncComplete()


等待异步执行完毕


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/BundleFileHandle.cs#L44)

Declaration
```csharp
public void WaitForAsyncComplete()

```

## Events


### Completed


当加载完成时触发


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/BundleFileHandle.cs#L22)

Declaration
```csharp
public event Action<BundleFileHandle> Completed

```

##### Event Type


``System.Action<YooAsset.BundleFileHandle>``


## Implements

- ``System.Collections.IEnumerator``

- ``System.IDisposable``
---

# Struct BundleImporterOptions


资源导入的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L184)

Declaration
```csharp
public readonly struct BundleImporterOptions

```

## Properties


### MaximumConcurrency


最大并发数量


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L189)

Declaration
```csharp
public int MaximumConcurrency { get; }

```

### RetryCount


失败后的重试次数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L194)

Declaration
```csharp
public int RetryCount { get; }

```

### BundleInfos


资源包信息列表


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L199)

Declaration
```csharp
public ImportBundleInfo[] BundleInfos { get; }

```
---

# Struct BundleUnpackInfo


资源包解包判定信息


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleUnpackPolicy.cs#L7)

Declaration
```csharp
public readonly struct BundleUnpackInfo

```

## Properties


### BundleName


资源包名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleUnpackPolicy.cs#L14)

Declaration
```csharp
public string BundleName { get; }

```

### FileName


资源包文件名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleUnpackPolicy.cs#L19)

Declaration
```csharp
public string FileName { get; }

```

### BundleType


资源包类型


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleUnpackPolicy.cs#L24)

Declaration
```csharp
public int BundleType { get; }

```

### IsEncrypted


是否为加密资源包


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleUnpackPolicy.cs#L29)

Declaration
```csharp
public bool IsEncrypted { get; }

```

### TagCount


分类标签数量


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleUnpackPolicy.cs#L34)

Declaration
```csharp
public int TagCount { get; }

```

## Methods


### GetTag(int)


获取指定索引的分类标签


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleUnpackPolicy.cs#L50)

Declaration
```csharp
public string GetTag(int index)

```

##### Returns


``System.String``


##### Parameters

TypeName``System.Int32``*index*

### HasTag(string)


是否包含指定的单个标签


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleUnpackPolicy.cs#L58)

Declaration
```csharp
public bool HasTag(string tag)

```

##### Returns


``System.Boolean``


##### Parameters

TypeName``System.String``*tag*

### HasAnyTag(string[])


是否包含指定标签数组中的任意一个


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleUnpackPolicy.cs#L66)

Declaration
```csharp
public bool HasAnyTag(string[] tags)

```

##### Returns


``System.Boolean``


##### Parameters

TypeName``System.String[]``*tags*
---

# Class ClearCacheMethods


缓存清理方式标识符


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheMethods.cs#L7)

Declaration
```csharp
public static class ClearCacheMethods

```

## Fields


### ClearAllBundleFiles


清理所有资源包文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheMethods.cs#L12)

Declaration
```csharp
public const string ClearAllBundleFiles = "ClearAllBundleFiles"

```

### ClearUnusedBundleFiles


清理未在使用的资源包文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheMethods.cs#L17)

Declaration
```csharp
public const string ClearUnusedBundleFiles = "ClearUnusedBundleFiles"

```

### ClearBundleFilesByLocations


清理指定地址的资源包文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheMethods.cs#L22)

Declaration
```csharp
public const string ClearBundleFilesByLocations = "ClearBundleFilesByLocations"

```

### ClearBundleFilesByTags


清理指定标签的资源包文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheMethods.cs#L27)

Declaration
```csharp
public const string ClearBundleFilesByTags = "ClearBundleFilesByTags"

```

### ClearAllManifestFiles


清理所有清单文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheMethods.cs#L32)

Declaration
```csharp
public const string ClearAllManifestFiles = "ClearAllManifestFiles"

```

### ClearUnusedManifestFiles


清理未在使用的清单文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheMethods.cs#L37)

Declaration
```csharp
public const string ClearUnusedManifestFiles = "ClearUnusedManifestFiles"

```
---

# Class ClearCacheOperation


清理缓存操作


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheOperation.cs#L9)

Declaration
```csharp
public sealed class ClearCacheOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheOperation.cs#L32)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheOperation.cs#L37)

Declaration
```csharp
protected override void InternalUpdate()

```

### InternalGetDescription()


获取操作的描述信息（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheOperation.cs#L104)

Declaration
```csharp
protected override string InternalGetDescription()

```

##### Returns


``System.String``: 操作的描述字符串，默认返回空字符串。


## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct ClearCacheOptions


清理缓存的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheOptions.cs#L7)

Declaration
```csharp
public readonly struct ClearCacheOptions

```

## Properties


### ClearMethod


清理方式


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheOptions.cs#L12)

Declaration
```csharp
public string ClearMethod { get; }

```

### ClearParameter


附加参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/ClearCacheOptions.cs#L17)

Declaration
```csharp
public object ClearParameter { get; }

```
---

# Class CustomPlayModeOptions


自定义运行模式的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L83)

Declaration
```csharp
public class CustomPlayModeOptions : InitializePackageOptions

```

## Fields


### FileSystemParameterList


文件系统初始化参数列表


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L89)

Declaration
```csharp
public readonly List<FileSystemParameters> FileSystemParameterList

```
---

# Class DefaultDownloadRetryPolicy


默认的下载重试策略


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/Policies/DefaultDownloadRetryPolicy.cs#L8)

Declaration
```csharp
public class DefaultDownloadRetryPolicy : IDownloadRetryPolicy

```

## Methods


### IsRetryableError(string, long, string)


判断本次下载失败是否属于可重试的错误


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/Policies/DefaultDownloadRetryPolicy.cs#L20)

Declaration
```csharp
public bool IsRetryableError(string url, long httpCode, string httpError)

```

##### Returns


``System.Boolean``: 如果该错误可以重试则返回 true，否则返回 false。


##### Parameters

TypeNameDescription``System.String``*url*失败请求的 URL``System.Int64``*httpCode*HTTP 响应状态码``System.String``*httpError*HTTP 错误信息

### CalculateRetryDelay(int, float)


计算重试等待时长（秒）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/Policies/DefaultDownloadRetryPolicy.cs#L57)

Declaration
```csharp
public float CalculateRetryDelay(int retryCount, float previousDelay)

```

##### Returns


``System.Single``: 本次重试前的等待时长（秒）


##### Parameters

TypeNameDescription``System.Int32``*retryCount*当前已重试次数``System.Single``*previousDelay*上一次的等待时长（秒）

## Implements

- [YooAsset.IDownloadRetryPolicy](/docs/api/YooAsset/IDownloadRetryPolicy)
---

# Class DefaultDownloadUrlPolicy


默认的 URL 选择策略


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/Policies/DefaultDownloadUrlPolicy.cs#L12)

Declaration
```csharp
public class DefaultDownloadUrlPolicy : IDownloadUrlPolicy

```

## Methods


### SelectUrl(IReadOnlyList<string>)


基于内部失败计数轮转选择 URL


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/Policies/DefaultDownloadUrlPolicy.cs#L21)

Declaration
```csharp
public string SelectUrl(IReadOnlyList<string> candidateUrls)

```

##### Returns


``System.String``: 选中的 URL


##### Parameters

TypeNameDescription``System.Collections.Generic.IReadOnlyList<System.String>``*candidateUrls*候选 URL 列表

### OnRequestSucceeded(string)


请求成功反馈，保持当前 URL 不变。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/Policies/DefaultDownloadUrlPolicy.cs#L34)

Declaration
```csharp
public void OnRequestSucceeded(string url)

```

##### Parameters

TypeNameDescription``System.String``*url*成功请求的 URL

### OnRequestFailed(string, long, string)


请求失败反馈，递增失败计数以切换 URL。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/Policies/DefaultDownloadUrlPolicy.cs#L44)

Declaration
```csharp
public void OnRequestFailed(string url, long httpCode, string httpError)

```

##### Parameters

TypeNameDescription``System.String``*url*失败请求的 URL``System.Int64``*httpCode*HTTP 响应状态码``System.String``*httpError*HTTP 错误信息

## Implements

- [YooAsset.IDownloadUrlPolicy](/docs/api/YooAsset/IDownloadUrlPolicy)
---

# Class DestroyPackageOperation


销毁资源包裹操作


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DestroyPackageOperation.cs#L7)

Declaration
```csharp
public sealed class DestroyPackageOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DestroyPackageOperation.cs#L33)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DestroyPackageOperation.cs#L38)

Declaration
```csharp
protected override void InternalUpdate()

```

### InternalGetDescription()


获取操作的描述信息（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DestroyPackageOperation.cs#L111)

Declaration
```csharp
protected override string InternalGetDescription()

```

##### Returns


``System.String``: 操作的描述字符串，默认返回空字符串。


## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct DownloadCompletedEventArgs


下载完成事件参数


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L7)

Declaration
```csharp
public readonly struct DownloadCompletedEventArgs

```

## Properties


### PackageName


所属包裹名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L12)

Declaration
```csharp
public string PackageName { get; }

```

### Succeeded


是否成功


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L17)

Declaration
```csharp
public bool Succeeded { get; }

```

### Error


下载失败时的错误信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L22)

Declaration
```csharp
public string Error { get; }

```
---

# Class DownloaderOperation


下载操作基类，提供资源下载、暂停、恢复和取消功能。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L9)

Declaration
```csharp
public abstract class DownloaderOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Properties


### TotalDownloadCount


统计的下载文件总数量


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L41)

Declaration
```csharp
public int TotalDownloadCount { get; }

```

### TotalDownloadBytes


统计的下载文件的总大小


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L46)

Declaration
```csharp
public long TotalDownloadBytes { get; }

```

### CurrentDownloadCount


当前已经完成的下载总数量


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L51)

Declaration
```csharp
public int CurrentDownloadCount { get; }

```

### CurrentDownloadBytes


当前已经完成的下载总大小


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L59)

Declaration
```csharp
public long CurrentDownloadBytes { get; }

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L103)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L109)

Declaration
```csharp
protected override void InternalUpdate()

```

### Combine(DownloaderOperation)


合并其它下载器


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L317)

Declaration
```csharp
public void Combine(DownloaderOperation downloader)

```

##### Parameters

TypeNameDescription[YooAsset.DownloaderOperation](/docs/api/YooAsset/DownloaderOperation)*downloader*合并的下载器

### StartDownload()


开始下载


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L358)

Declaration
```csharp
public void StartDownload()

```

### PauseDownload()


暂停下载


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L369)

Declaration
```csharp
public void PauseDownload()

```

### ResumeDownload()


恢复下载


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L377)

Declaration
```csharp
public void ResumeDownload()

```

### CancelDownload()


取消下载


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L385)

Declaration
```csharp
public void CancelDownload()

```

## Events


### DownloadCompleted


当下载完成时触发（无论成功或失败）。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L67)

Declaration
```csharp
public event Action<DownloadCompletedEventArgs> DownloadCompleted

```

##### Event Type


``System.Action<YooAsset.DownloadCompletedEventArgs>``


### DownloadProgressChanged


当下载进度更新时触发


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L72)

Declaration
```csharp
public event Action<DownloadProgressChangedEventArgs> DownloadProgressChanged

```

##### Event Type


``System.Action<YooAsset.DownloadProgressChangedEventArgs>``


### DownloadError


当发生下载错误时触发


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L77)

Declaration
```csharp
public event Action<DownloadErrorEventArgs> DownloadError

```

##### Event Type


``System.Action<YooAsset.DownloadErrorEventArgs>``


### DownloadFileStarted


当开始下载单个文件时触发


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L82)

Declaration
```csharp
public event Action<DownloadFileStartedEventArgs> DownloadFileStarted

```

##### Event Type


``System.Action<YooAsset.DownloadFileStartedEventArgs>``


## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct DownloadErrorEventArgs


下载错误事件参数


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L120)

Declaration
```csharp
public readonly struct DownloadErrorEventArgs

```

## Properties


### PackageName


所属包裹名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L125)

Declaration
```csharp
public string PackageName { get; }

```

### FileName


下载失败的文件名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L130)

Declaration
```csharp
public string FileName { get; }

```

### ErrorInfo


错误信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L135)

Declaration
```csharp
public string ErrorInfo { get; }

```
---

# Struct DownloadFileStartedEventArgs


开始下载单个文件事件参数


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L154)

Declaration
```csharp
public readonly struct DownloadFileStartedEventArgs

```

## Properties


### PackageName


所属包裹名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L159)

Declaration
```csharp
public string PackageName { get; }

```

### BundleName


资源包名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L164)

Declaration
```csharp
public string BundleName { get; }

```

### FileName


文件名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L169)

Declaration
```csharp
public string FileName { get; }

```

### FileSize


文件大小


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L174)

Declaration
```csharp
public long FileSize { get; }

```
---

# Struct DownloadProgressChangedEventArgs


下载进度更新事件参数


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L63)

Declaration
```csharp
public readonly struct DownloadProgressChangedEventArgs

```

## Properties


### PackageName


所属包裹名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L68)

Declaration
```csharp
public string PackageName { get; }

```

### Progress


下载进度 (0-1f)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L73)

Declaration
```csharp
public float Progress { get; }

```

### TotalDownloadCount


下载文件总数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L78)

Declaration
```csharp
public int TotalDownloadCount { get; }

```

### TotalDownloadBytes


下载数据总大小（单位：字节）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L83)

Declaration
```csharp
public long TotalDownloadBytes { get; }

```

### CurrentDownloadCount


当前完成的下载文件数量


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L88)

Declaration
```csharp
public int CurrentDownloadCount { get; }

```

### CurrentDownloadBytes


当前完成的下载数据大小（单位：字节）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderEventArgs.cs#L93)

Declaration
```csharp
public long CurrentDownloadBytes { get; }

```
---

# Struct DownloadReport


下载状态报告


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/DownloadReport.cs#L7)

Declaration
```csharp
public readonly struct DownloadReport

```

## Properties


### HttpCode


HTTP 响应状态码


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/DownloadReport.cs#L12)

Declaration
```csharp
public long HttpCode { get; }

```

### HttpError


HTTP 错误信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/DownloadReport.cs#L17)

Declaration
```csharp
public string HttpError { get; }

```

### DownloadedBytes


当前下载的字节数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/DownloadReport.cs#L22)

Declaration
```csharp
public long DownloadedBytes { get; }

```

### DownloadProgress


当前下载进度（0f - 1f）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/DownloadReport.cs#L27)

Declaration
```csharp
public float DownloadProgress { get; }

```

## Fields


### Empty


空的下载报告实例（所有字段为默认值）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/DownloadReport.cs#L32)

Declaration
```csharp
public static readonly DownloadReport Empty

```

## Methods


### CreateProgress(long, float)


创建下载进度报告


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/DownloadReport.cs#L55)

Declaration
```csharp
public static DownloadReport CreateProgress(long downloadedBytes, float downloadProgress)

```

##### Returns


[YooAsset.DownloadReport](/docs/api/YooAsset/DownloadReport): 不含 HTTP 状态信息的进度报告


##### Parameters

TypeNameDescription``System.Int64``*downloadedBytes*已下载的字节数``System.Single``*downloadProgress*下载进度，取值范围 0f ~ 1f

### CreateFinished(long, string, long, float)


创建包含 HTTP 状态的最终报告（成功或失败）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/DownloadReport.cs#L72)

Declaration
```csharp
public static DownloadReport CreateFinished(long httpCode, string httpError, long downloadedBytes, float downloadProgress)

```

##### Returns


[YooAsset.DownloadReport](/docs/api/YooAsset/DownloadReport): 包含完整 HTTP 状态信息的最终报告


##### Parameters

TypeNameDescription``System.Int64``*httpCode*HTTP 响应状态码``System.String``*httpError*HTTP 错误信息，成功时为 null。``System.Int64``*downloadedBytes*已下载的字节数``System.Single``*downloadProgress*下载进度，取值范围 0f ~ 1f
---

# Enum EBundleType


资源包的类型


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleHandle/EBundleType.cs#L8)

Declaration
```csharp
public enum EBundleType

```

## Fields


### None


未指定类型


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleHandle/EBundleType.cs#L13)

Declaration
```csharp
None = 0

```

### AssetBundle


Unity引擎资源包


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleHandle/EBundleType.cs#L18)

Declaration
```csharp
AssetBundle = 2

```

### RawBundle


原生文件资源包


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleHandle/EBundleType.cs#L23)

Declaration
```csharp
RawBundle = 3

```

### ArchiveBundle


归档文件资源包


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleHandle/EBundleType.cs#L28)

Declaration
```csharp
ArchiveBundle = 4

```

### InstantBundle


团结引擎资源包


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleHandle/EBundleType.cs#L33)

Declaration
```csharp
InstantBundle = 5

```

### VirtualAssetBundle


虚拟 Unity 引擎资源包（编辑器模拟 AssetBundle）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleHandle/EBundleType.cs#L39)

Declaration
```csharp
VirtualAssetBundle = 12

```

### VirtualRawBundle


虚拟原生文件资源包（编辑器模拟 RawBundle）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleHandle/EBundleType.cs#L44)

Declaration
```csharp
VirtualRawBundle = 13

```

### VirtualArchiveBundle


虚拟归档文件资源包（编辑器模拟 ArchiveBundle）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleHandle/EBundleType.cs#L49)

Declaration
```csharp
VirtualArchiveBundle = 14

```
---

# Class EditorSimulateBuildInvoker


编辑器模拟构建的调用入口


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/PackageBuilder/EditorSimulateBuildInvoker.cs#L8)

Declaration
```csharp
public static class EditorSimulateBuildInvoker

```

## Methods


### Build(string, int)


执行编辑器模拟构建


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/PackageBuilder/EditorSimulateBuildInvoker.cs#L19)

Declaration
```csharp
public static PackageBuildResult Build(string packageName, int buildBundleType)

```

##### Returns


[YooAsset.PackageBuildResult](/docs/api/YooAsset/PackageBuildResult): 构建结果


##### Parameters

TypeNameDescription``System.String``*packageName*包裹名称``System.Int32``*buildBundleType*构建资源包类型
---

# Class EditorSimulateModeOptions


编辑器下模拟运行模式的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L29)

Declaration
```csharp
public class EditorSimulateModeOptions : InitializePackageOptions

```

## Properties


### EditorFileSystemParameters


编辑器文件系统初始化参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L34)

Declaration
```csharp
public FileSystemParameters EditorFileSystemParameters { get; set; }

```
---

# Enum EFileNameStyle


远端资源文件命名风格


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/EFileNameStyle.cs#L7)

Declaration
```csharp
public enum EFileNameStyle

```

## Fields


### HashName


哈希值名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/EFileNameStyle.cs#L12)

Declaration
```csharp
HashName = 0

```

### BundleName


资源包名称（不推荐）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/EFileNameStyle.cs#L17)

Declaration
```csharp
BundleName = 1

```

### BundleName_HashName


资源包名称 + 哈希值名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/EFileNameStyle.cs#L22)

Declaration
```csharp
BundleName_HashName = 2

```
---

# Enum EFileSystemParameter


文件系统参数类型定义


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L7)

Declaration
```csharp
public enum EFileSystemParameter

```

## Fields


### FileVerifyLevel


初始化的时候缓存文件校验级别 [YooAsset.EFileVerifyLevel](/docs/api/YooAsset/EFileVerifyLevel)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L12)

Declaration
```csharp
FileVerifyLevel = 0

```

### FileVerifyMaxConcurrency


初始化的时候缓存文件校验最大并发数 ``System.Int32``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L17)

Declaration
```csharp
FileVerifyMaxConcurrency = 1

```

### InstallCleanupMode


覆盖安装缓存清理模式 [YooAsset.EInstallCleanupMode](/docs/api/YooAsset/EInstallCleanupMode)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L22)

Declaration
```csharp
InstallCleanupMode = 2

```

### DisableUnityWebCache


禁用Unity的网络缓存 ``System.Boolean``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L27)

Declaration
```csharp
DisableUnityWebCache = 3

```

### UnityWebRequestCreator


UnityWebRequest 创建委托 [YooAsset.EFileSystemParameter.UnityWebRequestCreator](/docs/api/YooAsset/EFileSystemParameter#unitywebrequestcreator)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L32)

Declaration
```csharp
UnityWebRequestCreator = 4

```

### DownloadDisableOndemand


禁用边玩边下机制 ``System.Boolean``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L37)

Declaration
```csharp
DownloadDisableOndemand = 5

```

### DownloadBackend


下载后台接口 ``YooAsset.IDownloadBackend``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L42)

Declaration
```csharp
DownloadBackend = 6

```

### DownloadMaxConcurrency


最大并发连接数 默认值：10（推荐范围 1-32） ``System.Int32``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L47)

Declaration
```csharp
DownloadMaxConcurrency = 7

```

### DownloadMaxRequestPerFrame


每帧发起的最大请求数 默认值：5（推荐范围 1-10）``System.Int32``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L52)

Declaration
```csharp
DownloadMaxRequestPerFrame = 8

```

### DownloadWatchdogTimeout


下载任务的看门狗机制超时时间 ``System.Int32``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L57)

Declaration
```csharp
DownloadWatchdogTimeout = 9

```

### DownloadResumeMinimumSize


启用断点续传的最小尺寸 ``System.Int64``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L62)

Declaration
```csharp
DownloadResumeMinimumSize = 10

```

### VirtualWebglMode


模拟WebGL平台模式 ``System.Boolean``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L67)

Declaration
```csharp
VirtualWebglMode = 11

```

### VirtualDownloadMode


模拟虚拟下载模式 ``System.Boolean``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L72)

Declaration
```csharp
VirtualDownloadMode = 12

```

### VirtualDownloadSpeed


模拟虚拟下载的网速（单位：字节） ``System.Int32``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L77)

Declaration
```csharp
VirtualDownloadSpeed = 13

```

### AsyncSimulateMinFrame


异步模拟加载最小帧数 ``System.Int32``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L82)

Declaration
```csharp
AsyncSimulateMinFrame = 14

```

### AsyncSimulateMaxFrame


异步模拟加载最大帧数 ``System.Int32``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L87)

Declaration
```csharp
AsyncSimulateMaxFrame = 15

```

### CopyBuiltinPackageManifest


拷贝内置清单 ``System.Boolean``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L92)

Declaration
```csharp
CopyBuiltinPackageManifest = 16

```

### CopyBuiltinPackageManifestDestRoot


拷贝内置清单的目标目录 ``System.String``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L97)

Declaration
```csharp
CopyBuiltinPackageManifestDestRoot = 17

```

### UnpackFileSystemRoot


解压文件系统的根目录 ``System.String``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L102)

Declaration
```csharp
UnpackFileSystemRoot = 18

```

### RemoteService


远端资源地址查询服务类 [YooAsset.IRemoteService](/docs/api/YooAsset/IRemoteService)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L107)

Declaration
```csharp
RemoteService = 19

```

### AssetBundleDecryptor


AssetBundle 解密器 [YooAsset.IBundleDecryptor](/docs/api/YooAsset/IBundleDecryptor)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L112)

Declaration
```csharp
AssetBundleDecryptor = 20

```

### RawBundleDecryptor


RawBundle 解密器 [YooAsset.IBundleDecryptor](/docs/api/YooAsset/IBundleDecryptor)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L117)

Declaration
```csharp
RawBundleDecryptor = 21

```

### ArchiveBundleDecryptor


ArchiveBundle 解密器 [YooAsset.IBundleDecryptor](/docs/api/YooAsset/IBundleDecryptor)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L122)

Declaration
```csharp
ArchiveBundleDecryptor = 22

```

### AssetBundleFallbackDecryptor


AssetBundle 备用解密器 [YooAsset.IBundleMemoryDecryptor](/docs/api/YooAsset/IBundleMemoryDecryptor)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L127)

Declaration
```csharp
AssetBundleFallbackDecryptor = 23

```

### ManifestDecryptor


资源清单解密器 [YooAsset.IManifestDecryptor](/docs/api/YooAsset/IManifestDecryptor)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L132)

Declaration
```csharp
ManifestDecryptor = 24

```

### DownloadRetryPolicy


下载重试判定策略 [YooAsset.IDownloadRetryPolicy](/docs/api/YooAsset/IDownloadRetryPolicy)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L137)

Declaration
```csharp
DownloadRetryPolicy = 25

```

### DownloadUrlPolicy


URL 选择策略 [YooAsset.IDownloadUrlPolicy](/docs/api/YooAsset/IDownloadUrlPolicy)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L142)

Declaration
```csharp
DownloadUrlPolicy = 26

```

### WebPlatformStrategy


WebGL 平台策略 ``YooAsset.IWebPlatformStrategy``


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L147)

Declaration
```csharp
WebPlatformStrategy = 27

```

### BundleUnpackPolicy


内置资源包解包策略 [YooAsset.IBundleUnpackPolicy](/docs/api/YooAsset/IBundleUnpackPolicy)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L152)

Declaration
```csharp
BundleUnpackPolicy = 28

```

### BuiltinFileAccessor


内置文件访问器 [YooAsset.IBuiltinFileAccessor](/docs/api/YooAsset/IBuiltinFileAccessor)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/EFileSystemParameter.cs#L157)

Declaration
```csharp
BuiltinFileAccessor = 29

```
---

# Enum EFileVerifyLevel


文件校验等级


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleCache/Services/SandboxBundleCache/EFileVerifyLevel.cs#L7)

Declaration
```csharp
public enum EFileVerifyLevel

```

## Fields


### Low


验证文件存在


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleCache/Services/SandboxBundleCache/EFileVerifyLevel.cs#L12)

Declaration
```csharp
Low = 1

```

### Middle


验证文件大小


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleCache/Services/SandboxBundleCache/EFileVerifyLevel.cs#L17)

Declaration
```csharp
Middle = 2

```

### High


验证文件CRC


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleCache/Services/SandboxBundleCache/EFileVerifyLevel.cs#L22)

Declaration
```csharp
High = 3

```
---

# Enum EInstallCleanupMode


覆盖安装清理模式


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/EInstallCleanupMode.cs#L7)

Declaration
```csharp
public enum EInstallCleanupMode

```

## Fields


### None


不做任何处理


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/EInstallCleanupMode.cs#L12)

Declaration
```csharp
None = 0

```

### ClearAllCacheFiles


清理所有缓存文件（包含资源文件和清单文件）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/EInstallCleanupMode.cs#L17)

Declaration
```csharp
ClearAllCacheFiles = 1

```

### ClearAllBundleFiles


清理所有缓存的资源文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/EInstallCleanupMode.cs#L22)

Declaration
```csharp
ClearAllBundleFiles = 2

```

### ClearAllManifestFiles


清理所有缓存的清单文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/Services/SandboxFileSystem/EInstallCleanupMode.cs#L27)

Declaration
```csharp
ClearAllManifestFiles = 3

```
---

# Class EnsureBundleFileOperation


确保资源包已就绪的异步操作


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/EnsureBundleFileOperation.cs#L7)

Declaration
```csharp
public sealed class EnsureBundleFileOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Properties


### Detail


资源包文件详情


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/EnsureBundleFileOperation.cs#L60)

Declaration
```csharp
public EnsureBundleFileOperation.BundleDetail Detail { get; }

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/EnsureBundleFileOperation.cs#L68)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/EnsureBundleFileOperation.cs#L72)

Declaration
```csharp
protected override void InternalUpdate()

```

## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct EnsureBundleFileOperation.BundleDetail


资源包文件详情


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/EnsureBundleFileOperation.cs#L12)

Declaration
```csharp
public readonly struct EnsureBundleFileOperation.BundleDetail

```

## Fields


### BundleName


资源包名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/EnsureBundleFileOperation.cs#L17)

Declaration
```csharp
public readonly string BundleName

```

### BundleFilePath


资源包文件的本地路径


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/EnsureBundleFileOperation.cs#L22)

Declaration
```csharp
public readonly string BundleFilePath

```

### BundleType


资源包类型


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/EnsureBundleFileOperation.cs#L27)

Declaration
```csharp
public readonly int BundleType

```

### IsEncrypted


文件是否加密


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/EnsureBundleFileOperation.cs#L32)

Declaration
```csharp
public readonly bool IsEncrypted

```
---

# Struct EnsureBundleFileOptions


确保资源包文件已就绪的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/EnsureBundleFileOptions.cs#L7)

Declaration
```csharp
public readonly struct EnsureBundleFileOptions

```

## Properties


### Location


资源定位地址


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/EnsureBundleFileOptions.cs#L12)

Declaration
```csharp
public string Location { get; }

```

### AssetInfo


资源信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/EnsureBundleFileOptions.cs#L17)

Declaration
```csharp
public AssetInfo AssetInfo { get; }

```
---

# Enum EOperationStatus


异步操作状态枚举


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/EOperationStatus.cs#L7)

Declaration
```csharp
public enum EOperationStatus

```

## Fields


### None


未开始


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/EOperationStatus.cs#L12)

Declaration
```csharp
None = 0

```

### Processing


处理中


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/EOperationStatus.cs#L17)

Declaration
```csharp
Processing = 1

```

### Succeeded


已成功


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/EOperationStatus.cs#L22)

Declaration
```csharp
Succeeded = 2

```

### Failed


已失败


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/EOperationStatus.cs#L27)

Declaration
```csharp
Failed = 3

```
---

# Enum EPlayMode


运行模式


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/EPlayMode.cs#L7)

Declaration
```csharp
public enum EPlayMode

```

## Fields


### None


未指定运行模式


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/EPlayMode.cs#L12)

Declaration
```csharp
None = 0

```

### EditorSimulateMode


编辑器下的模拟模式


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/EPlayMode.cs#L17)

Declaration
```csharp
EditorSimulateMode = 1

```

### OfflinePlayMode


离线运行模式


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/EPlayMode.cs#L22)

Declaration
```csharp
OfflinePlayMode = 2

```

### HostPlayMode


联机运行模式


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/EPlayMode.cs#L27)

Declaration
```csharp
HostPlayMode = 3

```

### WebPlayMode


WebGL运行模式


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/EPlayMode.cs#L32)

Declaration
```csharp
WebPlayMode = 4

```

### CustomPlayMode


自定义运行模式


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/EPlayMode.cs#L37)

Declaration
```csharp
CustomPlayMode = 5

```
---

# Class FileSystemParameters


提供文件系统的创建参数与工厂方法


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L9)

Declaration
```csharp
public class FileSystemParameters

```

## Properties


### FileSystemTypeName


文件系统的完整类型名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L19)

Declaration
```csharp
public string FileSystemTypeName { get; }

```

### PackageRoot


文件系统的根目录


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L24)

Declaration
```csharp
public string PackageRoot { get; }

```

## Methods


### AddParameter(string, object)


添加自定义参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L42)

Declaration
```csharp
public void AddParameter(string paramName, object value)

```

##### Parameters

TypeNameDescription``System.String``*paramName*参数名称``System.Object``*value*参数值

### AddParameter(Enum, object)


添加自定义参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L52)

Declaration
```csharp
public void AddParameter(Enum paramType, object value)

```

##### Parameters

TypeNameDescription``System.Enum``*paramType*参数类型``System.Object``*value*参数值

### CreateDefaultEditorFileSystemParameters(string)


创建默认的编辑器文件系统参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L93)

Declaration
```csharp
public static FileSystemParameters CreateDefaultEditorFileSystemParameters(string packageRoot)

```

##### Returns


[YooAsset.FileSystemParameters](/docs/api/YooAsset/FileSystemParameters): 配置好的文件系统参数实例


##### Parameters

TypeNameDescription``System.String``*packageRoot*文件系统的根目录

### CreateDefaultBuiltinFileSystemParameters(string)


创建默认的内置文件系统参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L105)

Declaration
```csharp
public static FileSystemParameters CreateDefaultBuiltinFileSystemParameters(string packageRoot)

```

##### Returns


[YooAsset.FileSystemParameters](/docs/api/YooAsset/FileSystemParameters): 配置好的文件系统参数实例


##### Parameters

TypeNameDescription``System.String``*packageRoot*文件系统的根目录

### CreateDefaultBuiltinFileSystemParameters()


创建默认的内置文件系统参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L116)

Declaration
```csharp
public static FileSystemParameters CreateDefaultBuiltinFileSystemParameters()

```

##### Returns


[YooAsset.FileSystemParameters](/docs/api/YooAsset/FileSystemParameters): 配置好的文件系统参数实例### CreateDefaultSandboxFileSystemParameters(IRemoteService, string)
创建默认的沙盒文件系统参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L129)

Declaration
```csharp
public static FileSystemParameters CreateDefaultSandboxFileSystemParameters(IRemoteService remoteService, string packageRoot)

```

##### Returns


[YooAsset.FileSystemParameters](/docs/api/YooAsset/FileSystemParameters): 配置好的文件系统参数实例


##### Parameters

TypeNameDescription[YooAsset.IRemoteService](/docs/api/YooAsset/IRemoteService)*remoteService*远端资源地址查询服务类``System.String``*packageRoot*文件系统的根目录

### CreateDefaultSandboxFileSystemParameters(IRemoteService)


创建默认的沙盒文件系统参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L142)

Declaration
```csharp
public static FileSystemParameters CreateDefaultSandboxFileSystemParameters(IRemoteService remoteService)

```

##### Returns


[YooAsset.FileSystemParameters](/docs/api/YooAsset/FileSystemParameters): 配置好的文件系统参数实例


##### Parameters

TypeNameDescription[YooAsset.IRemoteService](/docs/api/YooAsset/IRemoteService)*remoteService*远端资源地址查询服务类

### CreateDefaultWebServerFileSystemParameters(bool)


创建默认的WebGL 服务器文件系统参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L155)

Declaration
```csharp
public static FileSystemParameters CreateDefaultWebServerFileSystemParameters(bool disableUnityWebCache)

```

##### Returns


[YooAsset.FileSystemParameters](/docs/api/YooAsset/FileSystemParameters): 配置好的文件系统参数实例


##### Parameters

TypeNameDescription``System.Boolean``*disableUnityWebCache*禁用Unity的网络缓存

### CreateDefaultWebServerFileSystemParameters()


创建默认的WebGL 服务器文件系统参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L167)

Declaration
```csharp
public static FileSystemParameters CreateDefaultWebServerFileSystemParameters()

```

##### Returns


[YooAsset.FileSystemParameters](/docs/api/YooAsset/FileSystemParameters): 配置好的文件系统参数实例### CreateDefaultWebNetworkFileSystemParameters(IRemoteService, bool)
创建默认的 WebGL 网络文件系统参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L181)

Declaration
```csharp
public static FileSystemParameters CreateDefaultWebNetworkFileSystemParameters(IRemoteService remoteService, bool disableUnityWebCache)

```

##### Returns


[YooAsset.FileSystemParameters](/docs/api/YooAsset/FileSystemParameters): 配置好的文件系统参数实例


##### Parameters

TypeNameDescription[YooAsset.IRemoteService](/docs/api/YooAsset/IRemoteService)*remoteService*远端资源地址查询服务类``System.Boolean``*disableUnityWebCache*禁用Unity的网络缓存

### CreateDefaultWebNetworkFileSystemParameters(IRemoteService)


创建默认的 WebGL 网络文件系统参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/FileSystem/FileSystemParameters.cs#L195)

Declaration
```csharp
public static FileSystemParameters CreateDefaultWebNetworkFileSystemParameters(IRemoteService remoteService)

```

##### Returns


[YooAsset.FileSystemParameters](/docs/api/YooAsset/FileSystemParameters): 配置好的文件系统参数实例


##### Parameters

TypeNameDescription[YooAsset.IRemoteService](/docs/api/YooAsset/IRemoteService)*remoteService*远端资源地址查询服务类
---

# Class HandleBase


资源句柄基类，提供资源加载状态查询和释放功能。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/HandleBase.cs#L9)

Declaration
```csharp
public abstract class HandleBase : IEnumerator, IDisposable

```

## Properties


### Status


当前状态


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/HandleBase.cs#L59)

Declaration
```csharp
public EOperationStatus Status { get; }

```

### Error


错误信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/HandleBase.cs#L72)

Declaration
```csharp
public string Error { get; }

```

### Progress


加载进度


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/HandleBase.cs#L85)

Declaration
```csharp
public float Progress { get; }

```

### IsDone


是否加载完毕


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/HandleBase.cs#L98)

Declaration
```csharp
public bool IsDone { get; }

```

### IsValid


句柄是否有效


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/HandleBase.cs#L111)

Declaration
```csharp
public bool IsValid { get; }

```

## Methods


### Release()


释放资源句柄


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/HandleBase.cs#L28)

Declaration
```csharp
public void Release()

```

### Dispose()


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/HandleBase.cs#L42)

Declaration
```csharp
public void Dispose()

```

### GetAssetInfo()


获取资源信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/HandleBase.cs#L51)

Declaration
```csharp
public AssetInfo GetAssetInfo()

```

##### Returns


[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo): 资源信息### GetAwaiter()
获取用于 async/await 的 Awaiter


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/HandleBase.cs#L146)

Declaration
```csharp
public OperationAwaiter GetAwaiter()

```

##### Returns


[YooAsset.OperationAwaiter](/docs/api/YooAsset/OperationAwaiter): 用于 async/await 的 Awaiter 对象


## Implements

- ``System.Collections.IEnumerator``

- ``System.IDisposable``
---

# Class HashUtility


哈希工具类


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L11)

Declaration
```csharp
public static class HashUtility

```

## Methods


### ComputeMD5(string)


计算字符串的MD5哈希值


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L33)

Declaration
```csharp
public static string ComputeMD5(string value)

```

##### Returns


``System.String``


##### Parameters

TypeName``System.String``*value*

### ComputeFileMD5(string)


计算文件的MD5哈希值


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L45)

Declaration
```csharp
public static string ComputeFileMD5(string filePath)

```

##### Returns


``System.String``


##### Parameters

TypeName``System.String``*filePath*

### ComputeMD5(Stream)


计算数据流的MD5哈希值


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L59)

Declaration
```csharp
public static string ComputeMD5(Stream stream)

```

##### Returns


``System.String``


##### Parameters

TypeName``System.IO.Stream``*stream*

### ComputeMD5(byte[])


计算字节数组的MD5哈希值


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L74)

Declaration
```csharp
public static string ComputeMD5(byte[] buffer)

```

##### Returns


``System.String``


##### Parameters

TypeName``System.Byte[]``*buffer*

### ComputeCrc32(string)


计算字符串的CRC32哈希值


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L91)

Declaration
```csharp
public static string ComputeCrc32(string value)

```

##### Returns


``System.String``


##### Parameters

TypeName``System.String``*value*

### ComputeCrc32AsUInt(string)


计算字符串的CRC32值（返回无符号整数）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L103)

Declaration
```csharp
public static uint ComputeCrc32AsUInt(string value)

```

##### Returns


``System.UInt32``


##### Parameters

TypeName``System.String``*value*

### ComputeFileCrc32(string)


计算文件的CRC32哈希值


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L115)

Declaration
```csharp
public static string ComputeFileCrc32(string filePath)

```

##### Returns


``System.String``


##### Parameters

TypeName``System.String``*filePath*

### ComputeFileCrc32AsUInt(string)


计算文件的CRC32值（返回无符号整数）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L129)

Declaration
```csharp
public static uint ComputeFileCrc32AsUInt(string filePath)

```

##### Returns


``System.UInt32``


##### Parameters

TypeName``System.String``*filePath*

### ComputeCrc32(Stream)


计算数据流的CRC32哈希值


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L143)

Declaration
```csharp
public static string ComputeCrc32(Stream stream)

```

##### Returns


``System.String``


##### Parameters

TypeName``System.IO.Stream``*stream*

### ComputeCrc32AsUInt(Stream)


计算数据流的CRC32值（返回无符号整数）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L158)

Declaration
```csharp
public static uint ComputeCrc32AsUInt(Stream stream)

```

##### Returns


``System.UInt32``


##### Parameters

TypeName``System.IO.Stream``*stream*

### ComputeCrc32(byte[])


计算字节数组的CRC32哈希值


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L173)

Declaration
```csharp
public static string ComputeCrc32(byte[] buffer)

```

##### Returns


``System.String``


##### Parameters

TypeName``System.Byte[]``*buffer*

### ComputeCrc32AsUInt(byte[])


计算字节数组的CRC32值（返回无符号整数）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/Utilities/HashUtility.cs#L188)

Declaration
```csharp
public static uint ComputeCrc32AsUInt(byte[] buffer)

```

##### Returns


``System.UInt32``


##### Parameters

TypeName``System.Byte[]``*buffer*
---

# Class HostPlayModeOptions


联机运行模式的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L51)

Declaration
```csharp
public class HostPlayModeOptions : InitializePackageOptions

```

## Properties


### BuiltinFileSystemParameters


内置文件系统初始化参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L56)

Declaration
```csharp
public FileSystemParameters BuiltinFileSystemParameters { get; set; }

```

### CacheFileSystemParameters


缓存文件系统初始化参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L61)

Declaration
```csharp
public FileSystemParameters CacheFileSystemParameters { get; set; }

```
---

# Interface IBuiltinFileAccessor


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBuiltinFileAccessor.cs#L10)

Declaration
```csharp
public interface IBuiltinFileAccessor

```

## Methods


### FileExists(string)


检查内置文件是否存在


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBuiltinFileAccessor.cs#L16)

Declaration
```csharp
bool FileExists(string filePath)

```

##### Returns


``System.Boolean``


##### Parameters

TypeNameDescription``System.String``*filePath*内置文件路径

### ReadAllBytes(string)


读取内置文件的所有字节


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBuiltinFileAccessor.cs#L22)

Declaration
```csharp
byte[] ReadAllBytes(string filePath)

```

##### Returns


``System.Byte[]``


##### Parameters

TypeNameDescription``System.String``*filePath*内置文件路径
---

# Interface IBundleDecryptor


资源包解密器的基接口，本身不包含成员。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleDecryptor.cs#L52)

Declaration
```csharp
public interface IBundleDecryptor

```
---

# Interface IBundleEncryptor


定义资源包的加密行为


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleEncryptor.cs#L61)

Declaration
```csharp
public interface IBundleEncryptor

```

## Methods


### Encrypt(BundleEncryptArgs)


对指定的资源包文件执行加密


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleEncryptor.cs#L68)

Declaration
```csharp
BundleEncryptResult Encrypt(BundleEncryptArgs args)

```

##### Returns


[YooAsset.BundleEncryptResult](/docs/api/YooAsset/BundleEncryptResult): 包含加密状态和加密后数据的结果


##### Parameters

TypeNameDescription[YooAsset.BundleEncryptArgs](/docs/api/YooAsset/BundleEncryptArgs)*args*加密操作的输入参数
---

# Interface IBundleMemoryDecryptor


基于内存的资源包解密器。
将整个加密数据解密为字节数组后加载。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleDecryptor.cs#L74)

Declaration
```csharp
public interface IBundleMemoryDecryptor : IBundleDecryptor

```

## Methods


### GetDecryptedData(BundleDecryptArgs)


将资源包数据解密并返回解密后的字节数组


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleDecryptor.cs#L81)

Declaration
```csharp
byte[] GetDecryptedData(BundleDecryptArgs args)

```

##### Returns


``System.Byte[]``: 解密后的资源包数据


##### Parameters

TypeNameDescription[YooAsset.BundleDecryptArgs](/docs/api/YooAsset/BundleDecryptArgs)*args*解密操作的输入参数
---

# Interface IBundleOffsetDecryptor


基于偏移量的资源包解密器。
用于跳过文件头部加密区域后直接加载 AssetBundle。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleDecryptor.cs#L60)

Declaration
```csharp
public interface IBundleOffsetDecryptor : IBundleDecryptor

```

## Methods


### GetFileOffset(BundleDecryptArgs)


获取解密数据的起始偏移量（字节）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleDecryptor.cs#L67)

Declaration
```csharp
long GetFileOffset(BundleDecryptArgs args)

```

##### Returns


``System.Int64``: AssetBundle 有效数据在文件中的起始偏移量


##### Parameters

TypeNameDescription[YooAsset.BundleDecryptArgs](/docs/api/YooAsset/BundleDecryptArgs)*args*解密操作的输入参数
---

# Interface IBundleStreamDecryptor


基于流的资源包解密器。
通过提供解密流实现流式加载，适用于大文件场景。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleDecryptor.cs#L88)

Declaration
```csharp
public interface IBundleStreamDecryptor : IBundleDecryptor

```

## Methods


### GetBufferSize(BundleDecryptArgs)


获取流式读取时使用的缓冲区大小（字节）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleDecryptor.cs#L95)

Declaration
```csharp
int GetBufferSize(BundleDecryptArgs args)

```

##### Returns


``System.Int32``: 建议的缓冲区字节数


##### Parameters

TypeNameDescription[YooAsset.BundleDecryptArgs](/docs/api/YooAsset/BundleDecryptArgs)*args*解密操作的输入参数

### CreateDecryptionStream(BundleDecryptArgs)


创建用于解密读取的流实例


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleDecryptor.cs#L105)

Declaration
```csharp
Stream CreateDecryptionStream(BundleDecryptArgs args)

```

##### Returns


``System.IO.Stream``: 可供 AssetBundle 加载使用的解密流


##### Parameters

TypeNameDescription[YooAsset.BundleDecryptArgs](/docs/api/YooAsset/BundleDecryptArgs)*args*解密操作的输入参数
---

# Interface IBundleUnpackPolicy


内置资源包解包策略接口


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleUnpackPolicy.cs#L75)

Declaration
```csharp
public interface IBundleUnpackPolicy

```

## Methods


### IsUnpackBundle(BundleUnpackInfo)


判定指定资源包是否为需要解包的类型


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IBundleUnpackPolicy.cs#L80)

Declaration
```csharp
bool IsUnpackBundle(BundleUnpackInfo unpackInfo)

```

##### Returns


``System.Boolean``


##### Parameters

TypeName[YooAsset.BundleUnpackInfo](/docs/api/YooAsset/BundleUnpackInfo)*unpackInfo*
---

# Interface IDownloadRetryPolicy


下载重试策略


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IDownloadRetryPolicy.cs#L7)

Declaration
```csharp
public interface IDownloadRetryPolicy

```

## Methods


### IsRetryableError(string, long, string)


判断本次下载失败是否属于可重试的错误


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IDownloadRetryPolicy.cs#L16)

Declaration
```csharp
bool IsRetryableError(string url, long httpCode, string httpError)

```

##### Returns


``System.Boolean``: true 允许重试；false 应立即失败。


##### Parameters

TypeNameDescription``System.String``*url*请求地址``System.Int64``*httpCode*HTTP 状态码（0 表示网络中断或非 HTTP 错误）``System.String``*httpError*服务器返回的错误描述文本

### CalculateRetryDelay(int, float)


计算本次重试应等待的时长（秒）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IDownloadRetryPolicy.cs#L24)

Declaration
```csharp
float CalculateRetryDelay(int retryCount, float previousDelay)

```

##### Returns


``System.Single``: 本次应等待的秒数


##### Parameters

TypeNameDescription``System.Int32``*retryCount*即将进入的重试次数（从 1 开始）``System.Single``*previousDelay*上一次等待时长（首次时为 0）
---

# Interface IDownloadUrlPolicy


URL 选择策略


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IDownloadUrlPolicy.cs#L8)

Declaration
```csharp
public interface IDownloadUrlPolicy

```

## Methods


### SelectUrl(IReadOnlyList<string>)


选择本次请求应使用的 URL


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IDownloadUrlPolicy.cs#L15)

Declaration
```csharp
string SelectUrl(IReadOnlyList<string> candidateUrls)

```

##### Returns


``System.String``: 选中的 URL


##### Parameters

TypeNameDescription``System.Collections.Generic.IReadOnlyList<System.String>``*candidateUrls*候选 URL 列表（至少包含一个）

### OnRequestSucceeded(string)


反馈请求成功，策略可据此更新内部状态。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IDownloadUrlPolicy.cs#L21)

Declaration
```csharp
void OnRequestSucceeded(string url)

```

##### Parameters

TypeNameDescription``System.String``*url*实际使用的 URL

### OnRequestFailed(string, long, string)


反馈请求失败，策略可据此更新内部状态。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IDownloadUrlPolicy.cs#L29)

Declaration
```csharp
void OnRequestFailed(string url, long httpCode, string httpError)

```

##### Parameters

TypeNameDescription``System.String``*url*实际使用的 URL``System.Int64``*httpCode*HTTP 状态码（0 表示网络中断或非 HTTP 错误）``System.String``*httpError*服务器返回的错误描述文本
---

# Interface ILogger


自定义日志处理接口


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/YooLogger.cs#L8)

Declaration
```csharp
public interface ILogger

```

## Methods


### Log(string)


输出普通日志


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/YooLogger.cs#L13)

Declaration
```csharp
void Log(string message)

```

##### Parameters

TypeName``System.String``*message*

### LogWarning(string)


输出警告日志


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/YooLogger.cs#L18)

Declaration
```csharp
void LogWarning(string message)

```

##### Parameters

TypeName``System.String``*message*

### LogError(string)


输出错误日志


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/YooLogger.cs#L23)

Declaration
```csharp
void LogError(string message)

```

##### Parameters

TypeName``System.String``*message*

### LogException(Exception)


输出异常日志


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/YooLogger.cs#L28)

Declaration
```csharp
void LogException(Exception exception)

```

##### Parameters

TypeName``System.Exception``*exception*
---

# Interface IManifestDecryptor


资源清单解密器


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IManifestDecryptor.cs#L7)

Declaration
```csharp
public interface IManifestDecryptor

```

## Methods


### Decrypt(byte[])


对加密的资源清单数据执行解密


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IManifestDecryptor.cs#L14)

Declaration
```csharp
byte[] Decrypt(byte[] fileData)

```

##### Returns


``System.Byte[]``: 解密后的字节数组


##### Parameters

TypeNameDescription``System.Byte[]``*fileData*已加密的清单数据
---

# Interface IManifestEncryptor


资源清单加密器


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IManifestEncryptor.cs#L7)

Declaration
```csharp
public interface IManifestEncryptor

```

## Methods


### Encrypt(byte[])


对资源清单的原始数据执行加密


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IManifestEncryptor.cs#L14)

Declaration
```csharp
byte[] Encrypt(byte[] fileData)

```

##### Returns


``System.Byte[]``: 加密后的字节数组


##### Parameters

TypeNameDescription``System.Byte[]``*fileData*待加密的清单数据
---

# Struct ImportBundleInfo


导入的资源包信息


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L218)

Declaration
```csharp
public readonly struct ImportBundleInfo

```

## Properties


### FilePath


本地文件路径


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L223)

Declaration
```csharp
public string FilePath { get; }

```

### BundleName


资源包名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L228)

Declaration
```csharp
public string BundleName { get; }

```

### BundleGuid


资源包GUID


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L233)

Declaration
```csharp
public string BundleGuid { get; }

```
---

# Class InitializeFileSystemOperation


初始化文件系统操作


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/Internal/InitializeFileSystemOperation.cs#L9)

Declaration
```csharp
public sealed class InitializeFileSystemOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/Internal/InitializeFileSystemOperation.cs#L32)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/Internal/InitializeFileSystemOperation.cs#L37)

Declaration
```csharp
protected override void InternalUpdate()

```

## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Class InitializePackageOperation


初始化资源包裹操作


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOperation.cs#L8)

Declaration
```csharp
public sealed class InitializePackageOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOperation.cs#L33)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOperation.cs#L38)

Declaration
```csharp
protected override void InternalUpdate()

```

### InternalGetDescription()


获取操作的描述信息（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOperation.cs#L143)

Declaration
```csharp
protected override string InternalGetDescription()

```

##### Returns


``System.String``: 操作的描述字符串，默认返回空字符串。


## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Class InitializePackageOptions


初始化资源包的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L8)

Declaration
```csharp
public abstract class InitializePackageOptions

```

## Properties


### BundleLoadingMaxConcurrency


同时加载Bundle文件的最大并发数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L13)

Declaration
```csharp
public int BundleLoadingMaxConcurrency { get; set; }

```

### AutoUnloadBundleWhenUnused


是否在资源引用计数为零时自动释放资源包


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L18)

Declaration
```csharp
public bool AutoUnloadBundleWhenUnused { get; set; }

```

### WebGLForceSyncLoadAsset


是否在WebGL平台强制同步加载资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L23)

Declaration
```csharp
public bool WebGLForceSyncLoadAsset { get; set; }

```
---

# Class InstantiateOperation


游戏对象实例化操作


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOperation.cs#L8)

Declaration
```csharp
public sealed class InstantiateOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Properties


### Result


实例化的游戏对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOperation.cs#L30)

Declaration
```csharp
public GameObject Result { get; }

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOperation.cs#L39)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOperation.cs#L44)

Declaration
```csharp
protected override void InternalUpdate()

```

### InternalWaitForCompletion()


内部同步等待方法（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOperation.cs#L146)

Declaration
```csharp
protected override void InternalWaitForCompletion()

```

### InternalGetDescription()


获取操作的描述信息（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOperation.cs#L151)

Declaration
```csharp
protected override string InternalGetDescription()

```

##### Returns


``System.String``: 操作的描述字符串，默认返回空字符串。### Cancel()
取消实例化对象操作


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOperation.cs#L160)

Declaration
```csharp
public void Cancel()

```

## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct InstantiateOptions


游戏对象实例化的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOptions.cs#L8)

Declaration
```csharp
public readonly struct InstantiateOptions

```

## Properties


### IsActive


是否激活实例化对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOptions.cs#L13)

Declaration
```csharp
public bool IsActive { get; }

```

### Parent


将指定给新对象的父对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOptions.cs#L18)

Declaration
```csharp
public Transform Parent { get; }

```

### InWorldSpace


是否在世界空间中定位新对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOptions.cs#L26)

Declaration
```csharp
public bool InWorldSpace { get; }

```

### Position


新对象的位置


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOptions.cs#L31)

Declaration
```csharp
public Vector3 Position { get; }

```

### Rotation


新对象的旋转


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/InstantiateOptions.cs#L36)

Declaration
```csharp
public Quaternion Rotation { get; }

```
---

# Interface IRemoteService


远端资源服务


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IRemoteService.cs#L8)

Declaration
```csharp
public interface IRemoteService

```

## Methods


### GetRemoteUrls(string)


获取指定文件的所有远端候选地址，按优先级排序。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Interfaces/IRemoteService.cs#L15)

Declaration
```csharp
IReadOnlyList<string> GetRemoteUrls(string fileName)

```

##### Returns


``System.Collections.Generic.IReadOnlyList<System.String>``: 按优先级排序的远端候选地址列表，至少包含一个 URL。


##### Parameters

TypeNameDescription``System.String``*fileName*请求的文件名称
---

# Class LoadPackageManifestOperation


加载资源清单操作


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/LoadPackageManifestOperation.cs#L7)

Declaration
```csharp
public sealed class LoadPackageManifestOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/LoadPackageManifestOperation.cs#L29)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/LoadPackageManifestOperation.cs#L34)

Declaration
```csharp
protected override void InternalUpdate()

```

### InternalGetDescription()


获取操作的描述信息（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/LoadPackageManifestOperation.cs#L101)

Declaration
```csharp
protected override string InternalGetDescription()

```

##### Returns


``System.String``: 操作的描述字符串，默认返回空字符串。


## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct LoadPackageManifestOptions


加载清单的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/LoadPackageManifestOptions.cs#L7)

Declaration
```csharp
public readonly struct LoadPackageManifestOptions

```

## Properties


### PackageVersion


包裹版本


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/LoadPackageManifestOptions.cs#L12)

Declaration
```csharp
public string PackageVersion { get; }

```

### Timeout


超时时间


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/LoadPackageManifestOptions.cs#L17)

Declaration
```csharp
public int Timeout { get; }

```
---

# Class OfflinePlayModeOptions


离线运行模式的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L40)

Declaration
```csharp
public class OfflinePlayModeOptions : InitializePackageOptions

```

## Properties


### BuiltinFileSystemParameters


内置文件系统初始化参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L45)

Declaration
```csharp
public FileSystemParameters BuiltinFileSystemParameters { get; set; }

```
---

# Struct OperationAwaiter


支持异步编程的自定义 Awaiter


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/OperationAwaiter.cs#L10)

Declaration
```csharp
public readonly struct OperationAwaiter : ICriticalNotifyCompletion, INotifyCompletion

```

## Properties


### IsCompleted


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/OperationAwaiter.cs#L24)

Declaration
```csharp
public bool IsCompleted { get; }

```

## Methods


### GetResult()


获取操作结果


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/OperationAwaiter.cs#L32)

Declaration
```csharp
public void GetResult()

```

### OnCompleted(Action)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/OperationAwaiter.cs#L37)

Declaration
```csharp
public void OnCompleted(Action continuation)

```

##### Parameters

TypeName``System.Action``*continuation*

### UnsafeOnCompleted(Action)


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/AsyncOperation/OperationAwaiter.cs#L43)

Declaration
```csharp
public void UnsafeOnCompleted(Action continuation)

```

##### Parameters

TypeName``System.Action``*continuation*

## Implements

- ``System.Runtime.CompilerServices.ICriticalNotifyCompletion``

- ``System.Runtime.CompilerServices.INotifyCompletion``
---

# Class PackageBuildParameters


资源包裹构建的调用参数


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/PackageBuilder/PackageBuildParameters.cs#L8)

Declaration
```csharp
public class PackageBuildParameters

```

## Properties


### PackageName


包裹名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/PackageBuilder/PackageBuildParameters.cs#L13)

Declaration
```csharp
public string PackageName { get; }

```

### BuildPipelineName


构建管线名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/PackageBuilder/PackageBuildParameters.cs#L18)

Declaration
```csharp
public string BuildPipelineName { get; set; }

```

### BuildBundleType


构建资源包类型


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/PackageBuilder/PackageBuildParameters.cs#L23)

Declaration
```csharp
public int BuildBundleType { get; set; }

```

### UserData


用户自定义数据


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/PackageBuilder/PackageBuildParameters.cs#L31)

Declaration
```csharp
public object UserData { get; set; }

```

### AssemblyName


构建类所属的程序集名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/PackageBuilder/PackageBuildParameters.cs#L36)

Declaration
```csharp
public string AssemblyName { get; set; }

```

### TypeFullName


构建执行的类型全称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/PackageBuilder/PackageBuildParameters.cs#L44)

Declaration
```csharp
public string TypeFullName { get; set; }

```

### MethodName


构建执行的方法名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/PackageBuilder/PackageBuildParameters.cs#L52)

Declaration
```csharp
public string MethodName { get; set; }

```
---

# Class PackageBuildResult


资源包裹构建的返回结果


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/PackageBuilder/PackageBuildResult.cs#L7)

Declaration
```csharp
public class PackageBuildResult

```

## Properties


### PackageRootDirectory


构建输出的资源包裹根目录路径


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/PackageBuilder/PackageBuildResult.cs#L12)

Declaration
```csharp
public string PackageRootDirectory { get; }

```
---

# Class PackageDetails


资源包裹的详细信息，用于外部查询包裹配置。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L7)

Declaration
```csharp
public class PackageDetails

```

## Properties


### FileVersion


文件版本


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L12)

Declaration
```csharp
public int FileVersion { get; }

```

### EnableAddressable


启用可寻址资源定位


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L17)

Declaration
```csharp
public bool EnableAddressable { get; }

```

### SupportExtensionless


支持无后缀名的资源定位地址


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L22)

Declaration
```csharp
public bool SupportExtensionless { get; }

```

### LocationToLower


资源定位地址大小写不敏感


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L27)

Declaration
```csharp
public bool LocationToLower { get; }

```

### IncludeAssetGuid


包含资源GUID数据


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L32)

Declaration
```csharp
public bool IncludeAssetGuid { get; }

```

### ReplaceAssetPathWithAddress


使用可寻址地址代替资源路径


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L37)

Declaration
```csharp
public bool ReplaceAssetPathWithAddress { get; }

```

### OutputNameStyle


文件名称样式


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L42)

Declaration
```csharp
public int OutputNameStyle { get; }

```

### BuildBundleType


构建资源包类型


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L47)

Declaration
```csharp
public int BuildBundleType { get; }

```

### BuildPipeline


构建管线名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L52)

Declaration
```csharp
public string BuildPipeline { get; }

```

### PackageName


资源包裹名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L57)

Declaration
```csharp
public string PackageName { get; }

```

### PackageVersion


资源包裹的版本信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L62)

Declaration
```csharp
public string PackageVersion { get; }

```

### PackageNote


资源包裹的备注信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L67)

Declaration
```csharp
public string PackageNote { get; }

```

### AssetTotalCount


主资源文件总数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L72)

Declaration
```csharp
public int AssetTotalCount { get; }

```

### BundleTotalCount


资源包文件总数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/PackageDetails.cs#L77)

Declaration
```csharp
public int BundleTotalCount { get; }

```
---

# Class PrefetchManifestOperation


预取清单操作，用于提前加载指定版本的资源清单。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/PrefetchManifestOperation.cs#L10)

Declaration
```csharp
public sealed class PrefetchManifestOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/PrefetchManifestOperation.cs#L34)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/PrefetchManifestOperation.cs#L39)

Declaration
```csharp
protected override void InternalUpdate()

```

### CreateResourceDownloader(ResourceDownloaderOptions)


创建资源下载器，用于下载指定的资源标签列表关联的资源包文件。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/PrefetchManifestOperation.cs#L113)

Declaration
```csharp
public ResourceDownloaderOperation CreateResourceDownloader(ResourceDownloaderOptions options)

```

##### Returns


[YooAsset.ResourceDownloaderOperation](/docs/api/YooAsset/ResourceDownloaderOperation): 资源下载操作实例


##### Parameters

TypeNameDescription[YooAsset.ResourceDownloaderOptions](/docs/api/YooAsset/ResourceDownloaderOptions)*options*资源下载选项

### CreateBundleDownloader(BundleDownloaderOptions)


创建资源下载器，用于下载指定的资源信息列表依赖的资源包文件。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/PrefetchManifestOperation.cs#L129)

Declaration
```csharp
public ResourceDownloaderOperation CreateBundleDownloader(BundleDownloaderOptions options)

```

##### Returns


[YooAsset.ResourceDownloaderOperation](/docs/api/YooAsset/ResourceDownloaderOperation): 资源下载操作实例


##### Parameters

TypeNameDescription[YooAsset.BundleDownloaderOptions](/docs/api/YooAsset/BundleDownloaderOptions)*options*资源包下载选项

## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct PrefetchManifestOptions


预取清单的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/PrefetchManifestOptions.cs#L7)

Declaration
```csharp
public readonly struct PrefetchManifestOptions

```

## Properties


### PackageVersion


预取的包裹版本


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/PrefetchManifestOptions.cs#L12)

Declaration
```csharp
public string PackageVersion { get; }

```

### Timeout


资源清单请求超时时间


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/PrefetchManifestOptions.cs#L17)

Declaration
```csharp
public int Timeout { get; }

```
---

# Class RawFileHandle


原生文件句柄，用于访问未经 Unity 处理的原始文件。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/RawFileHandle.cs#L7)

Declaration
```csharp
public sealed class RawFileHandle : HandleBase, IEnumerator, IDisposable

```

## Methods


### WaitForAsyncComplete()


等待异步执行完毕


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/RawFileHandle.cs#L44)

Declaration
```csharp
public void WaitForAsyncComplete()

```

### GetRawFilePath()


获取原生文件的路径


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/RawFileHandle.cs#L55)

Declaration
```csharp
public string GetRawFilePath()

```

##### Returns


``System.String``: 原生文件的磁盘路径## Events


### Completed


当加载完成时触发


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/RawFileHandle.cs#L22)

Declaration
```csharp
public event Action<RawFileHandle> Completed

```

##### Event Type


``System.Action<YooAsset.RawFileHandle>``


## Implements

- ``System.Collections.IEnumerator``

- ``System.IDisposable``
---

# Class RawFileObject


原生文件对象


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleHandle/Services/RawBundleHandle/RawFileObject.cs#L10)

Declaration
```csharp
public class RawFileObject : ScriptableObject

```

## Methods


### GetBytes()


获取原生文件的字节数据


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleHandle/Services/RawBundleHandle/RawFileObject.cs#L19)

Declaration
```csharp
public byte[] GetBytes()

```

##### Returns


``System.Byte[]``: 原生文件字节数据的副本### GetText()
获取以 UTF-8 编码解析的文本内容


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/BundleHandle/Services/RawBundleHandle/RawFileObject.cs#L32)

Declaration
```csharp
public string GetText()

```

##### Returns


``System.String``: 解析后的文本字符串
---

# Class RequestPackageVersionOperation


请求包裹版本操作


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/RequestPackageVersionOperation.cs#L7)

Declaration
```csharp
public sealed class RequestPackageVersionOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Properties


### PackageVersion


当前最新的包裹版本


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/RequestPackageVersionOperation.cs#L24)

Declaration
```csharp
public string PackageVersion { get; }

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/RequestPackageVersionOperation.cs#L33)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/RequestPackageVersionOperation.cs#L38)

Declaration
```csharp
protected override void InternalUpdate()

```

## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct RequestPackageVersionOptions


请求版本的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/RequestPackageVersionOptions.cs#L7)

Declaration
```csharp
public readonly struct RequestPackageVersionOptions

```

## Properties


### AppendTimeTicks


是否在URL末尾添加时间戳


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/RequestPackageVersionOptions.cs#L12)

Declaration
```csharp
public bool AppendTimeTicks { get; }

```

### Timeout


超时时间


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/RequestPackageVersionOptions.cs#L17)

Declaration
```csharp
public int Timeout { get; }

```
---

# Class ResourceDownloaderOperation


资源下载操作类


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L409)

Declaration
```csharp
public sealed class ResourceDownloaderOperation : DownloaderOperation, IEnumerator, IComparable<AsyncOperationBase>

```

## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct ResourceDownloaderOptions


按资源标签创建下载器的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L64)

Declaration
```csharp
public readonly struct ResourceDownloaderOptions

```

## Properties


### MaximumConcurrency


最大并发数量


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L69)

Declaration
```csharp
public int MaximumConcurrency { get; }

```

### RetryCount


失败后的重试次数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L74)

Declaration
```csharp
public int RetryCount { get; }

```

### Tags


资源标签列表


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L80)

Declaration
```csharp
public string[] Tags { get; }

```
---

# Class ResourceImporterOperation


资源导入操作类


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L449)

Declaration
```csharp
public sealed class ResourceImporterOperation : DownloaderOperation, IEnumerator, IComparable<AsyncOperationBase>

```

## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Class ResourcePackage


资源包裹类


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L12)

Declaration
```csharp
public class ResourcePackage

```

## Properties


### PackageName


包裹名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L21)

Declaration
```csharp
public string PackageName { get; }

```

### PackageValid


包裹是否有效


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L26)

Declaration
```csharp
public bool PackageValid { get; }

```

### PackagePriority


包裹优先级（值越大越优先更新）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L39)

Declaration
```csharp
public uint PackagePriority { get; set; }

```

### InitializeStatus


初始化状态


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L48)

Declaration
```csharp
public EOperationStatus InitializeStatus { get; }

```

## Methods


### InitializePackageAsync(InitializePackageOptions)


初始化包裹


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L91)

Declaration
```csharp
public InitializePackageOperation InitializePackageAsync(InitializePackageOptions options)

```

##### Returns


[YooAsset.InitializePackageOperation](/docs/api/YooAsset/InitializePackageOperation): 返回初始化操作对象


##### Parameters

TypeNameDescription[YooAsset.InitializePackageOptions](/docs/api/YooAsset/InitializePackageOptions)*options*初始化参数

### DestroyPackageAsync()


销毁包裹


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L120)

Declaration
```csharp
public DestroyPackageOperation DestroyPackageAsync()

```

##### Returns


[YooAsset.DestroyPackageOperation](/docs/api/YooAsset/DestroyPackageOperation): 返回销毁包裹操作对象### RequestPackageVersionAsync()
请求最新的资源版本


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L133)

Declaration
```csharp
public RequestPackageVersionOperation RequestPackageVersionAsync()

```

##### Returns


[YooAsset.RequestPackageVersionOperation](/docs/api/YooAsset/RequestPackageVersionOperation): 返回请求版本操作对象### RequestPackageVersionAsync(RequestPackageVersionOptions)
请求最新的资源版本


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L145)

Declaration
```csharp
public RequestPackageVersionOperation RequestPackageVersionAsync(RequestPackageVersionOptions options)

```

##### Returns


[YooAsset.RequestPackageVersionOperation](/docs/api/YooAsset/RequestPackageVersionOperation): 返回请求版本操作对象


##### Parameters

TypeNameDescription[YooAsset.RequestPackageVersionOptions](/docs/api/YooAsset/RequestPackageVersionOptions)*options*请求版本选项

### LoadPackageManifestAsync(LoadPackageManifestOptions)


加载指定版本的资源清单


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L158)

Declaration
```csharp
public LoadPackageManifestOperation LoadPackageManifestAsync(LoadPackageManifestOptions options)

```

##### Returns


[YooAsset.LoadPackageManifestOperation](/docs/api/YooAsset/LoadPackageManifestOperation): 返回加载清单操作对象


##### Parameters

TypeNameDescription[YooAsset.LoadPackageManifestOptions](/docs/api/YooAsset/LoadPackageManifestOptions)*options*加载清单选项

### PrefetchManifestAsync(PrefetchManifestOptions)


预取指定版本的包裹资源清单


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L178)

Declaration
```csharp
public PrefetchManifestOperation PrefetchManifestAsync(PrefetchManifestOptions options)

```

##### Returns


[YooAsset.PrefetchManifestOperation](/docs/api/YooAsset/PrefetchManifestOperation): 返回预取清单操作对象


##### Parameters

TypeNameDescription[YooAsset.PrefetchManifestOptions](/docs/api/YooAsset/PrefetchManifestOptions)*options*预取清单选项

### ClearCacheAsync(ClearCacheOptions)


清理缓存文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L191)

Declaration
```csharp
public ClearCacheOperation ClearCacheAsync(ClearCacheOptions options)

```

##### Returns


[YooAsset.ClearCacheOperation](/docs/api/YooAsset/ClearCacheOperation): 返回清理缓存操作对象


##### Parameters

TypeNameDescription[YooAsset.ClearCacheOptions](/docs/api/YooAsset/ClearCacheOptions)*options*清理缓存选项

### GetPackageVersion()


获取当前加载包裹的版本信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L205)

Declaration
```csharp
public string GetPackageVersion()

```

##### Returns


``System.String``: 返回当前包裹版本字符串### GetPackageNote()
获取当前加载包裹的备注信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L215)

Declaration
```csharp
public string GetPackageNote()

```

##### Returns


``System.String``: 返回当前包裹备注字符串### GetPackageDetails()
获取当前加载包裹的详细信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L225)

Declaration
```csharp
public PackageDetails GetPackageDetails()

```

##### Returns


[YooAsset.PackageDetails](/docs/api/YooAsset/PackageDetails): 返回包含包裹配置的详细信息对象### UnloadAllAssetsAsync()
强制回收所有资源


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L237)

Declaration
```csharp
public UnloadAllAssetsOperation UnloadAllAssetsAsync()

```

##### Returns


[YooAsset.UnloadAllAssetsOperation](/docs/api/YooAsset/UnloadAllAssetsOperation): 返回卸载资源操作对象### UnloadAllAssetsAsync(UnloadAllAssetsOptions)
强制回收所有资源


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L248)

Declaration
```csharp
public UnloadAllAssetsOperation UnloadAllAssetsAsync(UnloadAllAssetsOptions options)

```

##### Returns


[YooAsset.UnloadAllAssetsOperation](/docs/api/YooAsset/UnloadAllAssetsOperation): 返回卸载资源操作对象


##### Parameters

TypeNameDescription[YooAsset.UnloadAllAssetsOptions](/docs/api/YooAsset/UnloadAllAssetsOptions)*options*卸载选项

### UnloadUnusedAssetsAsync()


回收不再使用的资源


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L261)

Declaration
```csharp
public UnloadUnusedAssetsOperation UnloadUnusedAssetsAsync()

```

##### Returns


[YooAsset.UnloadUnusedAssetsOperation](/docs/api/YooAsset/UnloadUnusedAssetsOperation): 返回卸载未使用资源操作对象### UnloadUnusedAssetsAsync(UnloadUnusedAssetsOptions)
回收不再使用的资源


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L274)

Declaration
```csharp
public UnloadUnusedAssetsOperation UnloadUnusedAssetsAsync(UnloadUnusedAssetsOptions options)

```

##### Returns


[YooAsset.UnloadUnusedAssetsOperation](/docs/api/YooAsset/UnloadUnusedAssetsOperation): 返回卸载未使用资源操作对象


##### Parameters

TypeNameDescription[YooAsset.UnloadUnusedAssetsOptions](/docs/api/YooAsset/UnloadUnusedAssetsOptions)*options*卸载选项

### TryUnloadUnusedAsset(string, int)


尝试卸载指定的未使用资源


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L287)

Declaration
```csharp
public void TryUnloadUnusedAsset(string location, int loopCount = 10)

```

##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.Int32``*loopCount*最大循环卸载次数

### TryUnloadUnusedAsset(AssetInfo, int)


尝试卸载指定的未使用资源


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L299)

Declaration
```csharp
public void TryUnloadUnusedAsset(AssetInfo assetInfo, int loopCount = 10)

```

##### Parameters

TypeNameDescription[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo)*assetInfo*资源信息``System.Int32``*loopCount*最大循环卸载次数

### GetDownloadSize(string)


获取指定资源需要下载的文件总大小


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L312)

Declaration
```csharp
public long GetDownloadSize(string location)

```

##### Returns


``System.Int64``: 返回需要下载的字节数，0 表示不需要下载。


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址

### GetDownloadSize(AssetInfo)


获取指定资源需要下载的文件总大小


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L324)

Declaration
```csharp
public long GetDownloadSize(AssetInfo assetInfo)

```

##### Returns


``System.Int64``: 返回需要下载的字节数，0 表示不需要下载。


##### Parameters

TypeNameDescription[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo)*assetInfo*资源信息

### GetAllAssetInfos()


获取所有的资源信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L334)

Declaration
```csharp
public AssetInfo[] GetAllAssetInfos()

```

##### Returns


``YooAsset.AssetInfo[]``: 返回包含所有资源信息的数组### GetAssetInfos(string)
获取资源信息列表


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L345)

Declaration
```csharp
public AssetInfo[] GetAssetInfos(string tag)

```

##### Returns


``YooAsset.AssetInfo[]``: 返回匹配标签的资源信息数组


##### Parameters

TypeNameDescription``System.String``*tag*资源标签

### GetAssetInfos(string[])


获取资源信息列表


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L357)

Declaration
```csharp
public AssetInfo[] GetAssetInfos(string[] tags)

```

##### Returns


``YooAsset.AssetInfo[]``: 返回匹配标签的资源信息数组


##### Parameters

TypeNameDescription``System.String[]``*tags*资源标签列表

### GetAssetInfo(string)


获取资源信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L368)

Declaration
```csharp
public AssetInfo GetAssetInfo(string location)

```

##### Returns


[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo): 返回资源信息对象


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址

### GetAssetInfo(string, Type)


获取资源信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L380)

Declaration
```csharp
public AssetInfo GetAssetInfo(string location, Type type)

```

##### Returns


[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo): 返回资源信息对象


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.Type``*type*资源类型

### GetAssetInfoByGuid(string)


获取资源信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L391)

Declaration
```csharp
public AssetInfo GetAssetInfoByGuid(string assetGuid)

```

##### Returns


[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo): 返回资源信息对象


##### Parameters

TypeNameDescription``System.String``*assetGuid*资源GUID

### GetAssetInfoByGuid(string, Type)


获取资源信息


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L403)

Declaration
```csharp
public AssetInfo GetAssetInfoByGuid(string assetGuid, Type type)

```

##### Returns


[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo): 返回资源信息对象


##### Parameters

TypeNameDescription``System.String``*assetGuid*资源GUID``System.Type``*type*资源类型

### IsLocationValid(string)


资源定位地址是否有效


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L414)

Declaration
```csharp
public bool IsLocationValid(string location)

```

##### Returns


``System.Boolean``: 如果地址有效返回true，否则返回false。


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址

### LoadSceneSync(string, LoadSceneMode, LocalPhysicsMode)


同步加载场景


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L430)

Declaration
```csharp
public SceneHandle LoadSceneSync(string location, LoadSceneMode sceneMode = LoadSceneMode.Single, LocalPhysicsMode physicsMode = LocalPhysicsMode.None)

```

##### Returns


[YooAsset.SceneHandle](/docs/api/YooAsset/SceneHandle): 返回场景操作句柄


##### Parameters

TypeNameDescription``System.String``*location*场景的定位地址``UnityEngine.SceneManagement.LoadSceneMode``*sceneMode*场景加载模式``UnityEngine.SceneManagement.LocalPhysicsMode``*physicsMode*场景物理模式

### LoadSceneSync(AssetInfo, LoadSceneMode, LocalPhysicsMode)


同步加载场景


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L444)

Declaration
```csharp
public SceneHandle LoadSceneSync(AssetInfo assetInfo, LoadSceneMode sceneMode = LoadSceneMode.Single, LocalPhysicsMode physicsMode = LocalPhysicsMode.None)

```

##### Returns


[YooAsset.SceneHandle](/docs/api/YooAsset/SceneHandle): 返回场景操作句柄


##### Parameters

TypeNameDescription[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo)*assetInfo*场景的资源信息``UnityEngine.SceneManagement.LoadSceneMode``*sceneMode*场景加载模式``UnityEngine.SceneManagement.LocalPhysicsMode``*physicsMode*场景物理模式

### LoadSceneAsync(string, LoadSceneMode, LocalPhysicsMode, bool, uint)


加载场景


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L459)

Declaration
```csharp
public SceneHandle LoadSceneAsync(string location, LoadSceneMode sceneMode = LoadSceneMode.Single, LocalPhysicsMode physicsMode = LocalPhysicsMode.None, bool allowSceneActivation = true, uint priority = 0)

```

##### Returns


[YooAsset.SceneHandle](/docs/api/YooAsset/SceneHandle): 返回场景操作句柄


##### Parameters

TypeNameDescription``System.String``*location*场景的定位地址``UnityEngine.SceneManagement.LoadSceneMode``*sceneMode*场景加载模式``UnityEngine.SceneManagement.LocalPhysicsMode``*physicsMode*场景物理模式``System.Boolean``*allowSceneActivation*是否允许场景激活``System.UInt32``*priority*加载的优先级

### LoadSceneAsync(AssetInfo, LoadSceneMode, LocalPhysicsMode, bool, uint)


加载场景


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L475)

Declaration
```csharp
public SceneHandle LoadSceneAsync(AssetInfo assetInfo, LoadSceneMode sceneMode = LoadSceneMode.Single, LocalPhysicsMode physicsMode = LocalPhysicsMode.None, bool allowSceneActivation = true, uint priority = 0)

```

##### Returns


[YooAsset.SceneHandle](/docs/api/YooAsset/SceneHandle): 返回场景操作句柄


##### Parameters

TypeNameDescription[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo)*assetInfo*场景的资源信息``UnityEngine.SceneManagement.LoadSceneMode``*sceneMode*场景加载模式``UnityEngine.SceneManagement.LocalPhysicsMode``*physicsMode*场景物理模式``System.Boolean``*allowSceneActivation*是否允许场景激活``System.UInt32``*priority*加载的优先级

### LoadAssetSync(AssetInfo)


同步加载资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L499)

Declaration
```csharp
public AssetHandle LoadAssetSync(AssetInfo assetInfo)

```

##### Returns


[YooAsset.AssetHandle](/docs/api/YooAsset/AssetHandle): 返回资源操作句柄


##### Parameters

TypeNameDescription[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo)*assetInfo*资源信息

### LoadAssetSync<TObject>(string)


同步加载资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L511)

Declaration
```csharp
public AssetHandle LoadAssetSync<TObject>(string location) where TObject : Object

```

##### Returns


[YooAsset.AssetHandle](/docs/api/YooAsset/AssetHandle): 返回资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址

##### Type Parameters

NameDescription``TObject``资源类型

### LoadAssetSync(string, Type)


同步加载资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L524)

Declaration
```csharp
public AssetHandle LoadAssetSync(string location, Type type)

```

##### Returns


[YooAsset.AssetHandle](/docs/api/YooAsset/AssetHandle): 返回资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.Type``*type*资源类型

### LoadAssetSync(string)


同步加载资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L536)

Declaration
```csharp
public AssetHandle LoadAssetSync(string location)

```

##### Returns


[YooAsset.AssetHandle](/docs/api/YooAsset/AssetHandle): 返回资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址

### LoadAssetAsync(AssetInfo, uint)


加载资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L550)

Declaration
```csharp
public AssetHandle LoadAssetAsync(AssetInfo assetInfo, uint priority = 0)

```

##### Returns


[YooAsset.AssetHandle](/docs/api/YooAsset/AssetHandle): 返回资源操作句柄


##### Parameters

TypeNameDescription[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo)*assetInfo*资源信息``System.UInt32``*priority*加载的优先级

### LoadAssetAsync<TObject>(string, uint)


加载资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L563)

Declaration
```csharp
public AssetHandle LoadAssetAsync<TObject>(string location, uint priority = 0) where TObject : Object

```

##### Returns


[YooAsset.AssetHandle](/docs/api/YooAsset/AssetHandle): 返回资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.UInt32``*priority*加载的优先级

##### Type Parameters

NameDescription``TObject``资源类型

### LoadAssetAsync(string, Type, uint)


加载资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L577)

Declaration
```csharp
public AssetHandle LoadAssetAsync(string location, Type type, uint priority = 0)

```

##### Returns


[YooAsset.AssetHandle](/docs/api/YooAsset/AssetHandle): 返回资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.Type``*type*资源类型``System.UInt32``*priority*加载的优先级

### LoadAssetAsync(string, uint)


加载资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L590)

Declaration
```csharp
public AssetHandle LoadAssetAsync(string location, uint priority = 0)

```

##### Returns


[YooAsset.AssetHandle](/docs/api/YooAsset/AssetHandle): 返回资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.UInt32``*priority*加载的优先级

### LoadSubAssetsSync(AssetInfo)


同步加载子资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L615)

Declaration
```csharp
public SubAssetsHandle LoadSubAssetsSync(AssetInfo assetInfo)

```

##### Returns


[YooAsset.SubAssetsHandle](/docs/api/YooAsset/SubAssetsHandle): 返回子资源操作句柄


##### Parameters

TypeNameDescription[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo)*assetInfo*资源信息

### LoadSubAssetsSync<TObject>(string)


同步加载子资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L627)

Declaration
```csharp
public SubAssetsHandle LoadSubAssetsSync<TObject>(string location) where TObject : Object

```

##### Returns


[YooAsset.SubAssetsHandle](/docs/api/YooAsset/SubAssetsHandle): 返回子资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址

##### Type Parameters

NameDescription``TObject``资源类型

### LoadSubAssetsSync(string, Type)


同步加载子资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L640)

Declaration
```csharp
public SubAssetsHandle LoadSubAssetsSync(string location, Type type)

```

##### Returns


[YooAsset.SubAssetsHandle](/docs/api/YooAsset/SubAssetsHandle): 返回子资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.Type``*type*子对象类型

### LoadSubAssetsSync(string)


同步加载子资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L652)

Declaration
```csharp
public SubAssetsHandle LoadSubAssetsSync(string location)

```

##### Returns


[YooAsset.SubAssetsHandle](/docs/api/YooAsset/SubAssetsHandle): 返回子资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址

### LoadSubAssetsAsync(AssetInfo, uint)


加载子资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L666)

Declaration
```csharp
public SubAssetsHandle LoadSubAssetsAsync(AssetInfo assetInfo, uint priority = 0)

```

##### Returns


[YooAsset.SubAssetsHandle](/docs/api/YooAsset/SubAssetsHandle): 返回子资源操作句柄


##### Parameters

TypeNameDescription[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo)*assetInfo*资源信息``System.UInt32``*priority*加载的优先级

### LoadSubAssetsAsync<TObject>(string, uint)


加载子资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L679)

Declaration
```csharp
public SubAssetsHandle LoadSubAssetsAsync<TObject>(string location, uint priority = 0) where TObject : Object

```

##### Returns


[YooAsset.SubAssetsHandle](/docs/api/YooAsset/SubAssetsHandle): 返回子资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.UInt32``*priority*加载的优先级

##### Type Parameters

NameDescription``TObject``资源类型

### LoadSubAssetsAsync(string, Type, uint)


加载子资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L693)

Declaration
```csharp
public SubAssetsHandle LoadSubAssetsAsync(string location, Type type, uint priority = 0)

```

##### Returns


[YooAsset.SubAssetsHandle](/docs/api/YooAsset/SubAssetsHandle): 返回子资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.Type``*type*子对象类型``System.UInt32``*priority*加载的优先级

### LoadSubAssetsAsync(string, uint)


加载子资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L706)

Declaration
```csharp
public SubAssetsHandle LoadSubAssetsAsync(string location, uint priority = 0)

```

##### Returns


[YooAsset.SubAssetsHandle](/docs/api/YooAsset/SubAssetsHandle): 返回子资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.UInt32``*priority*加载的优先级

### LoadAllAssetsSync(AssetInfo)


同步加载资源包内所有资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L731)

Declaration
```csharp
public AllAssetsHandle LoadAllAssetsSync(AssetInfo assetInfo)

```

##### Returns


[YooAsset.AllAssetsHandle](/docs/api/YooAsset/AllAssetsHandle): 返回全资源操作句柄


##### Parameters

TypeNameDescription[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo)*assetInfo*资源信息

### LoadAllAssetsSync<TObject>(string)


同步加载资源包内所有资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L743)

Declaration
```csharp
public AllAssetsHandle LoadAllAssetsSync<TObject>(string location) where TObject : Object

```

##### Returns


[YooAsset.AllAssetsHandle](/docs/api/YooAsset/AllAssetsHandle): 返回全资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址

##### Type Parameters

NameDescription``TObject``资源类型

### LoadAllAssetsSync(string, Type)


同步加载资源包内所有资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L756)

Declaration
```csharp
public AllAssetsHandle LoadAllAssetsSync(string location, Type type)

```

##### Returns


[YooAsset.AllAssetsHandle](/docs/api/YooAsset/AllAssetsHandle): 返回全资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.Type``*type*子对象类型

### LoadAllAssetsSync(string)


同步加载资源包内所有资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L768)

Declaration
```csharp
public AllAssetsHandle LoadAllAssetsSync(string location)

```

##### Returns


[YooAsset.AllAssetsHandle](/docs/api/YooAsset/AllAssetsHandle): 返回全资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址

### LoadAllAssetsAsync(AssetInfo, uint)


加载资源包内所有资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L782)

Declaration
```csharp
public AllAssetsHandle LoadAllAssetsAsync(AssetInfo assetInfo, uint priority = 0)

```

##### Returns


[YooAsset.AllAssetsHandle](/docs/api/YooAsset/AllAssetsHandle): 返回全资源操作句柄


##### Parameters

TypeNameDescription[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo)*assetInfo*资源信息``System.UInt32``*priority*加载的优先级

### LoadAllAssetsAsync<TObject>(string, uint)


加载资源包内所有资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L795)

Declaration
```csharp
public AllAssetsHandle LoadAllAssetsAsync<TObject>(string location, uint priority = 0) where TObject : Object

```

##### Returns


[YooAsset.AllAssetsHandle](/docs/api/YooAsset/AllAssetsHandle): 返回全资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.UInt32``*priority*加载的优先级

##### Type Parameters

NameDescription``TObject``资源类型

### LoadAllAssetsAsync(string, Type, uint)


加载资源包内所有资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L809)

Declaration
```csharp
public AllAssetsHandle LoadAllAssetsAsync(string location, Type type, uint priority = 0)

```

##### Returns


[YooAsset.AllAssetsHandle](/docs/api/YooAsset/AllAssetsHandle): 返回全资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.Type``*type*子对象类型``System.UInt32``*priority*加载的优先级

### LoadAllAssetsAsync(string, uint)


加载资源包内所有资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L822)

Declaration
```csharp
public AllAssetsHandle LoadAllAssetsAsync(string location, uint priority = 0)

```

##### Returns


[YooAsset.AllAssetsHandle](/docs/api/YooAsset/AllAssetsHandle): 返回全资源操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.UInt32``*priority*加载的优先级

### EnsureBundleFileAsync(EnsureBundleFileOptions)


确保资源包文件已就绪


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L847)

Declaration
```csharp
public EnsureBundleFileOperation EnsureBundleFileAsync(EnsureBundleFileOptions options)

```

##### Returns


[YooAsset.EnsureBundleFileOperation](/docs/api/YooAsset/EnsureBundleFileOperation): 返回确保资源包文件就绪的操作对象


##### Parameters

TypeNameDescription[YooAsset.EnsureBundleFileOptions](/docs/api/YooAsset/EnsureBundleFileOptions)*options*确保资源包文件已就绪的选项

### LoadBundleFileSync(AssetInfo)


同步加载资源包文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L866)

Declaration
```csharp
public BundleFileHandle LoadBundleFileSync(AssetInfo assetInfo)

```

##### Returns


[YooAsset.BundleFileHandle](/docs/api/YooAsset/BundleFileHandle): 返回资源包文件操作句柄


##### Parameters

TypeNameDescription[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo)*assetInfo*资源信息

### LoadBundleFileSync(string)


同步加载资源包文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L877)

Declaration
```csharp
public BundleFileHandle LoadBundleFileSync(string location)

```

##### Returns


[YooAsset.BundleFileHandle](/docs/api/YooAsset/BundleFileHandle): 返回资源包文件操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址

### LoadBundleFileAsync(AssetInfo, uint)


异步加载资源包文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L890)

Declaration
```csharp
public BundleFileHandle LoadBundleFileAsync(AssetInfo assetInfo, uint priority = 0)

```

##### Returns


[YooAsset.BundleFileHandle](/docs/api/YooAsset/BundleFileHandle): 返回资源包文件操作句柄


##### Parameters

TypeNameDescription[YooAsset.AssetInfo](/docs/api/YooAsset/AssetInfo)*assetInfo*资源信息``System.UInt32``*priority*加载的优先级

### LoadBundleFileAsync(string, uint)


异步加载资源包文件


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L902)

Declaration
```csharp
public BundleFileHandle LoadBundleFileAsync(string location, uint priority = 0)

```

##### Returns


[YooAsset.BundleFileHandle](/docs/api/YooAsset/BundleFileHandle): 返回资源包文件操作句柄


##### Parameters

TypeNameDescription``System.String``*location*资源的定位地址``System.UInt32``*priority*加载的优先级

### CreateResourceDownloader(ResourceDownloaderOptions)


创建资源下载器，用于下载指定的资源标签关联的资源包文件。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L925)

Declaration
```csharp
public ResourceDownloaderOperation CreateResourceDownloader(ResourceDownloaderOptions options)

```

##### Returns


[YooAsset.ResourceDownloaderOperation](/docs/api/YooAsset/ResourceDownloaderOperation): 返回资源下载操作对象


##### Parameters

TypeNameDescription[YooAsset.ResourceDownloaderOptions](/docs/api/YooAsset/ResourceDownloaderOptions)*options*资源下载选项

### CreateResourceDownloader(BundleDownloaderOptions)


创建资源下载器，用于下载指定的资源信息列表依赖的资源包文件。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L936)

Declaration
```csharp
public ResourceDownloaderOperation CreateResourceDownloader(BundleDownloaderOptions options)

```

##### Returns


[YooAsset.ResourceDownloaderOperation](/docs/api/YooAsset/ResourceDownloaderOperation): 返回资源下载操作对象


##### Parameters

TypeNameDescription[YooAsset.BundleDownloaderOptions](/docs/api/YooAsset/BundleDownloaderOptions)*options*资源下载选项

### CreateResourceUnpacker(ResourceUnpackerOptions)


创建内置资源解压器，用于解压指定的资源标签关联的资源包文件。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L949)

Declaration
```csharp
public ResourceUnpackerOperation CreateResourceUnpacker(ResourceUnpackerOptions options)

```

##### Returns


[YooAsset.ResourceUnpackerOperation](/docs/api/YooAsset/ResourceUnpackerOperation): 返回资源解压操作对象


##### Parameters

TypeNameDescription[YooAsset.ResourceUnpackerOptions](/docs/api/YooAsset/ResourceUnpackerOptions)*options*资源解压选项

### CreateResourceImporter(BundleImporterOptions)


创建资源导入器


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/ResourcePackage.cs#L962)

Declaration
```csharp
public ResourceImporterOperation CreateResourceImporter(BundleImporterOptions options)

```

##### Returns


[YooAsset.ResourceImporterOperation](/docs/api/YooAsset/ResourceImporterOperation): 返回资源导入操作对象


##### Parameters

TypeNameDescription[YooAsset.BundleImporterOptions](/docs/api/YooAsset/BundleImporterOptions)*options*资源导入选项
---

# Class ResourceUnpackerOperation


资源解压操作类


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOperation.cs#L429)

Declaration
```csharp
public sealed class ResourceUnpackerOperation : DownloaderOperation, IEnumerator, IComparable<AsyncOperationBase>

```

## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct ResourceUnpackerOptions


资源解压的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L124)

Declaration
```csharp
public readonly struct ResourceUnpackerOptions

```

## Properties


### MaximumConcurrency


最大并发数量


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L129)

Declaration
```csharp
public int MaximumConcurrency { get; }

```

### RetryCount


失败后的重试次数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L134)

Declaration
```csharp
public int RetryCount { get; }

```

### Tags


资源标签列表


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/DownloaderOptions.cs#L140)

Declaration
```csharp
public string[] Tags { get; }

```
---

# Class SceneHandle


场景句柄，用于管理场景的加载、激活和卸载。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SceneHandle.cs#L8)

Declaration
```csharp
public sealed class SceneHandle : HandleBase, IEnumerator, IDisposable

```

## Properties


### SceneName


场景名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SceneHandle.cs#L61)

Declaration
```csharp
public string SceneName { get; }

```

### SceneObject


场景对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SceneHandle.cs#L74)

Declaration
```csharp
public Scene SceneObject { get; }

```

## Methods


### ActivateScene()


激活场景（当同时存在多个场景时用于切换激活场景）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SceneHandle.cs#L88)

Declaration
```csharp
public bool ActivateScene()

```

##### Returns


``System.Boolean``: 是否成功激活场景### AllowSceneActivation()
允许场景激活


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SceneHandle.cs#L108)

Declaration
```csharp
public bool AllowSceneActivation()

```

##### Returns


``System.Boolean``: 是否成功执行### UnloadSceneAsync()
卸载场景对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SceneHandle.cs#L132)

Declaration
```csharp
public UnloadSceneOperation UnloadSceneAsync()

```

##### Returns


[YooAsset.UnloadSceneOperation](/docs/api/YooAsset/UnloadSceneOperation): 卸载场景操作## Events


### Completed


当加载完成时触发


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SceneHandle.cs#L28)

Declaration
```csharp
public event Action<SceneHandle> Completed

```

##### Event Type


``System.Action<YooAsset.SceneHandle>``


## Implements

- ``System.Collections.IEnumerator``

- ``System.IDisposable``
---

# Class SubAssetsHandle


子资源句柄，用于管理资源包内子资源对象的加载和访问。


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SubAssetsHandle.cs#L9)

Declaration
```csharp
public sealed class SubAssetsHandle : HandleBase, IEnumerator, IDisposable

```

## Properties


### SubAssetObjects


子资源对象集合


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SubAssetsHandle.cs#L57)

Declaration
```csharp
public IReadOnlyList<Object> SubAssetObjects { get; }

```

## Methods


### WaitForAsyncComplete()


等待异步执行完毕


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SubAssetsHandle.cs#L46)

Declaration
```csharp
public void WaitForAsyncComplete()

```

### GetSubAssetObject<TObject>(string)


获取子资源对象


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SubAssetsHandle.cs#L73)

Declaration
```csharp
public TObject GetSubAssetObject<TObject>(string assetName) where TObject : Object

```

##### Returns


``<TObject>``: 匹配的子资源对象，未找到则返回 null。


##### Parameters

TypeNameDescription``System.String``*assetName*子资源对象名称

##### Type Parameters

NameDescription``TObject``子资源对象类型

### GetSubAssetObjects<TObject>()


获取所有的子资源对象集合


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SubAssetsHandle.cs#L95)

Declaration
```csharp
public IReadOnlyList<TObject> GetSubAssetObjects<TObject>() where TObject : Object

```

##### Returns


``System.Collections.Generic.IReadOnlyList<<TObject>>``: 匹配类型的子资源对象集合##### Type Parameters

NameDescription``TObject``子资源对象类型

## Events


### Completed


当加载完成时触发


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Handles/SubAssetsHandle.cs#L24)

Declaration
```csharp
public event Action<SubAssetsHandle> Completed

```

##### Event Type


``System.Action<YooAsset.SubAssetsHandle>``


## Implements

- ``System.Collections.IEnumerator``

- ``System.IDisposable``
---

# Delegate UnityWebRequestCreator


自定义 UnityWebRequest 创建委托


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/DownloadSystem/Services/UnityWebBackend/UnityWebRequestCreator.cs#L15)

Declaration
```csharp
public delegate UnityWebRequest UnityWebRequestCreator(string url, string method)

```
---

# Class UnloadAllAssetsOperation


卸载所有资源的异步操作


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadAllAssetsOperation.cs#L9)

Declaration
```csharp
public sealed class UnloadAllAssetsOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadAllAssetsOperation.cs#L32)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadAllAssetsOperation.cs#L37)

Declaration
```csharp
protected override void InternalUpdate()

```

## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct UnloadAllAssetsOptions


卸载所有资源的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadAllAssetsOptions.cs#L7)

Declaration
```csharp
public readonly struct UnloadAllAssetsOptions

```

## Properties


### ShouldReleaseHandles


是否释放所有资源句柄，防止卸载过程中触发完成回调。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadAllAssetsOptions.cs#L12)

Declaration
```csharp
public bool ShouldReleaseHandles { get; }

```

### ShouldLockLoading


是否在卸载过程中锁定加载操作，防止新的任务请求。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadAllAssetsOptions.cs#L17)

Declaration
```csharp
public bool ShouldLockLoading { get; }

```
---

# Class UnloadSceneOperation


场景卸载异步操作类


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadSceneOperation.cs#L9)

Declaration
```csharp
public sealed class UnloadSceneOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadSceneOperation.cs#L46)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadSceneOperation.cs#L51)

Declaration
```csharp
protected override void InternalUpdate()

```

### InternalGetDescription()


获取操作的描述信息（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadSceneOperation.cs#L112)

Declaration
```csharp
protected override string InternalGetDescription()

```

##### Returns


``System.String``: 操作的描述字符串，默认返回空字符串。


## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Class UnloadUnusedAssetsOperation


卸载未使用资源的异步操作


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadUnusedAssetsOperation.cs#L6)

Declaration
```csharp
public sealed class UnloadUnusedAssetsOperation : AsyncOperationBase, IEnumerator, IComparable<AsyncOperationBase>

```

## Methods


### InternalStart()


内部启动方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadUnusedAssetsOperation.cs#L26)

Declaration
```csharp
protected override void InternalStart()

```

### InternalUpdate()


内部更新方法（子类必须实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadUnusedAssetsOperation.cs#L32)

Declaration
```csharp
protected override void InternalUpdate()

```

### InternalWaitForCompletion()


内部同步等待方法（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadUnusedAssetsOperation.cs#L57)

Declaration
```csharp
protected override void InternalWaitForCompletion()

```

### InternalGetDescription()


获取操作的描述信息（子类可选实现）


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadUnusedAssetsOperation.cs#L62)

Declaration
```csharp
protected override string InternalGetDescription()

```

##### Returns


``System.String``: 操作的描述字符串，默认返回空字符串。


## Implements

- ``System.Collections.IEnumerator``

- ``System.IComparable<YooAsset.AsyncOperationBase>``
---

# Struct UnloadUnusedAssetsOptions


卸载未使用资源的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadUnusedAssetsOptions.cs#L7)

Declaration
```csharp
public readonly struct UnloadUnusedAssetsOptions

```

## Properties


### MaxLoopCount


最大循环迭代次数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourceManager/Operations/UnloadUnusedAssetsOptions.cs#L12)

Declaration
```csharp
public int MaxLoopCount { get; }

```
---

# Class WebPlayModeOptions


WebGL运行模式的操作选项


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L67)

Declaration
```csharp
public class WebPlayModeOptions : InitializePackageOptions

```

## Properties


### WebServerFileSystemParameters


Web 服务器文件系统初始化参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L72)

Declaration
```csharp
public FileSystemParameters WebServerFileSystemParameters { get; set; }

```

### WebNetworkFileSystemParameters


Web 网络文件系统初始化参数


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/ResourcePackage/Operations/InitializePackageOptions.cs#L77)

Declaration
```csharp
public FileSystemParameters WebNetworkFileSystemParameters { get; set; }

```
---

# Class YooAssetConfiguration


提供 YooAsset 全局配置的访问入口


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Settings/YooAssetConfiguration.cs#L10)

Declaration
```csharp
public static class YooAssetConfiguration

```

## Methods


### GetYooFolderName()


获取资源包裹的根文件夹名称


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Settings/YooAssetConfiguration.cs#L55)

Declaration
```csharp
public static string GetYooFolderName()

```

##### Returns


``System.String``: 文件夹名称。如果未配置则返回默认值 "yoo"。### GetBuildReportFileName(string, string)
获取构建报告的文件名


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Settings/YooAssetConfiguration.cs#L66)

Declaration
```csharp
public static string GetBuildReportFileName(string packageName, string packageVersion)

```

##### Returns


``System.String``: 包含 .report 扩展名的文件名


##### Parameters

TypeNameDescription``System.String``*packageName*包裹名称``System.String``*packageVersion*包裹版本号

### GetManifestBinaryFileName(string, string)


获取清单二进制文件的文件名


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Settings/YooAssetConfiguration.cs#L86)

Declaration
```csharp
public static string GetManifestBinaryFileName(string packageName, string packageVersion)

```

##### Returns


``System.String``: 包含 .bytes 扩展名的文件名


##### Parameters

TypeNameDescription``System.String``*packageName*包裹名称``System.String``*packageVersion*包裹版本号

### GetManifestJsonFileName(string, string)


获取清单 JSON 文件的文件名


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Settings/YooAssetConfiguration.cs#L106)

Declaration
```csharp
public static string GetManifestJsonFileName(string packageName, string packageVersion)

```

##### Returns


``System.String``: 包含 .json 扩展名的文件名


##### Parameters

TypeNameDescription``System.String``*packageName*包裹名称``System.String``*packageVersion*包裹版本号

### GetPackageHashFileName(string, string)


获取包裹的哈希校验文件名


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Settings/YooAssetConfiguration.cs#L126)

Declaration
```csharp
public static string GetPackageHashFileName(string packageName, string packageVersion)

```

##### Returns


``System.String``: 包含 .hash 扩展名的文件名


##### Parameters

TypeNameDescription``System.String``*packageName*包裹名称``System.String``*packageVersion*包裹版本号

### GetPackageVersionFileName(string)


获取包裹的版本记录文件名


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Settings/YooAssetConfiguration.cs#L145)

Declaration
```csharp
public static string GetPackageVersionFileName(string packageName)

```

##### Returns


``System.String``: 包含 .version 扩展名的文件名


##### Parameters

TypeNameDescription``System.String``*packageName*包裹名称
---

# Class YooAssets


资源系统的主入口


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L13)

Declaration
```csharp
public static class YooAssets

```

## Properties


### IsInitialized


是否已经初始化


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L32)

Declaration
```csharp
public static bool IsInitialized { get; }

```

## Methods


### Initialize()


初始化资源系统


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L40)

Declaration
```csharp
public static void Initialize()

```

### Initialize(ILogger)


初始化资源系统


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L49)

Declaration
```csharp
public static void Initialize(ILogger logger)

```

##### Parameters

TypeNameDescription[YooAsset.ILogger](/docs/api/YooAsset/ILogger)*logger*自定义日志处理

### Destroy()


销毁资源系统


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L75)

Declaration
```csharp
public static void Destroy()

```

### CreatePackage(string)


创建资源包裹


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L116)

Declaration
```csharp
public static ResourcePackage CreatePackage(string packageName)

```

##### Returns


[YooAsset.ResourcePackage](/docs/api/YooAsset/ResourcePackage): 新创建的资源包裹实例


##### Parameters

TypeNameDescription``System.String``*packageName*包裹名称

### CreatePackage(string, uint)


创建资源包裹


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L127)

Declaration
```csharp
public static ResourcePackage CreatePackage(string packageName, uint packagePriority)

```

##### Returns


[YooAsset.ResourcePackage](/docs/api/YooAsset/ResourcePackage): 新创建的资源包裹实例


##### Parameters

TypeNameDescription``System.String``*packageName*包裹名称``System.UInt32``*packagePriority*包裹优先级（值越大越优先更新）

### GetPackage(string)


获取资源包裹


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L147)

Declaration
```csharp
public static ResourcePackage GetPackage(string packageName)

```

##### Returns


[YooAsset.ResourcePackage](/docs/api/YooAsset/ResourcePackage): 指定名称的资源包裹实例


##### Parameters

TypeNameDescription``System.String``*packageName*包裹名称

### TryGetPackage(string, out ResourcePackage)


尝试获取资源包裹


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L162)

Declaration
```csharp
public static bool TryGetPackage(string packageName, out ResourcePackage package)

```

##### Returns


``System.Boolean``: 如果资源包裹存在返回true，否则返回false。


##### Parameters

TypeNameDescription``System.String``*packageName*包裹名称[YooAsset.ResourcePackage](/docs/api/YooAsset/ResourcePackage)*package*获取到的资源包裹，如果不存在则为null。

### GetPackages()


获取所有资源包裹


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L173)

Declaration
```csharp
public static IReadOnlyList<ResourcePackage> GetPackages()

```

##### Returns


``System.Collections.Generic.IReadOnlyList<YooAsset.ResourcePackage>``: 当前已注册的所有资源包裹的只读列表### RemovePackage(string)
移除资源包裹


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L183)

Declaration
```csharp
public static void RemovePackage(string packageName)

```

##### Parameters

TypeNameDescription``System.String``*packageName*包裹名称

### ContainsPackage(string)


检测资源包裹是否存在


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L203)

Declaration
```csharp
public static bool ContainsPackage(string packageName)

```

##### Returns


``System.Boolean``: 如果资源包裹存在返回true，否则返回false。


##### Parameters

TypeNameDescription``System.String``*packageName*包裹名称

### SetAsyncOperationMaxTimeSlice(long)


设置异步系统参数，每帧执行消耗的最大时间切片。


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/YooAssets.cs#L214)

Declaration
```csharp
public static void SetAsyncOperationMaxTimeSlice(long milliseconds)

```

##### Parameters

TypeNameDescription``System.Int64``*milliseconds*最大时间切片（单位：毫秒），不能为负数。
---

# Class YooException


Base exception for all YooAsset custom exceptions.


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/YooException.cs#L11)

Declaration
```csharp
[Serializable]
public class YooException : Exception, ISerializable

```

## Implements

- ``System.Runtime.Serialization.ISerializable``
---

# Class YooHandleInvalidException


The exception that is thrown when a resource handle is invalid.


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/YooException.cs#L89)

Declaration
```csharp
[Serializable]
public class YooHandleInvalidException : YooException, ISerializable

```

## Implements

- ``System.Runtime.Serialization.ISerializable``
---

# Class YooInternalException


The exception that is thrown when an internal logic error occurs in YooAsset.


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/YooException.cs#L31)

Declaration
```csharp
[Serializable]
public class YooInternalException : YooException, ISerializable

```

## Implements

- ``System.Runtime.Serialization.ISerializable``
---

# Class YooManifestInvalidException


The exception that is thrown when the resource manifest data is invalid.


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/YooException.cs#L75)

Declaration
```csharp
[Serializable]
public class YooManifestInvalidException : YooException, ISerializable

```

## Implements

- ``System.Runtime.Serialization.ISerializable``
---

# Class YooPackageInvalidException


The exception that is thrown when a resource package is in an invalid state.


###### **Assembly**: YooAsset.dll


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/YooException.cs#L47)

Declaration
```csharp
[Serializable]
public class YooPackageInvalidException : YooException, ISerializable

```

## Properties


### PackageName


Gets the name of the package that caused the exception.


###### [View Source](https://github.com/tuyoogame/YooAsset/blob/yoo3/Assets/YooAsset/Runtime/Utility/YooException.cs#L53)

Declaration
```csharp
public string PackageName { get; }

```

## Implements

- ``System.Runtime.Serialization.ISerializable``