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Assets/ThirdParty/Extension Sample/Runtime/ExtensionOperation/GetCacheBundleSizeOperation.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using YooAsset;
+
+/// <summary>
+/// 获取沙盒目录里缓存文件大小
+/// </summary>
+public class GetCacheBundleSizeOperation : GameAsyncOperation
+{
+    private enum ESteps
+    {
+        None,
+        GetCacheFiles,
+        Done,
+    }
+
+    private readonly string _packageName;
+    private ESteps _steps = ESteps.None;
+
+    /// <summary>
+    /// 总大小（单位：字节）
+    /// </summary>
+    public long TotalSize = 0;
+
+
+    public GetCacheBundleSizeOperation(string packageName)
+    {
+        _packageName = packageName;
+    }
+    protected override void OnStart()
+    {
+        _steps = ESteps.GetCacheFiles;
+    }
+    protected override void OnUpdate()
+    {
+        if (_steps == ESteps.None || _steps == ESteps.Done)
+            return;
+
+        if (_steps == ESteps.GetCacheFiles)
+        {
+            long totalSize = 0;
+            string directoryRoot = GetCacheDirectoryRoot();
+            var directoryInfo = new DirectoryInfo(directoryRoot);
+            if (directoryInfo.Exists)
+            {
+                FileInfo[] fileInfos = directoryInfo.GetFiles("*", SearchOption.AllDirectories);
+                foreach (FileInfo fileInfo in fileInfos)
+                {
+                    totalSize += fileInfo.Length;
+                }
+            }
+
+            TotalSize = totalSize;
+            _steps = ESteps.Done;
+            Status = EOperationStatus.Succeed;
+        }
+    }
+    protected override void OnAbort()
+    {
+    }
+
+    private string GetCacheDirectoryRoot()
+    {
+        string rootDirectory = YooAssetSettingsData.GetYooDefaultCacheRoot();
+        string packageRoot = PathUtility.Combine(rootDirectory, _packageName);
+        return PathUtility.Combine(packageRoot, DefaultCacheFileSystemDefine.BundleFilesFolderName);
+    }
+}