Update CHANGELOG.md

新增方法YooAssets.SetCacheSystemSandboxPath()

Assets/YooAsset/CHANGELOG.md

@@ -2,6 +2,39 @@
 
 All notable changes to this package will be documented in this file.
 
+## [1.4.13] - 2023-05-12
+
+### Changed
+
+- 可寻址地址冲突时，打印冲突地址的资源路径。
+- 销毁Package的时候清空该Package的缓存记录。
+
+### Added
+
+- 新增方法ResoucePackage.ClearAllCacheFilesAsync()
+
+  ```c#
+  public class ResoucePackage
+  {
+      /// <summary>
+      /// 清理包裹本地所有的缓存文件
+      /// </summary>
+      public ClearAllCacheFilesOperation ClearAllCacheFilesAsync();   
+  }
+  ```
+
+- 新增方法YooAssets.SetCacheSystemSandboxPath()
+
+  ```c#
+  public class YooAssets
+  {
+      /// <summary>
+      /// 设置缓存系统参数，沙盒目录的存储路径
+      /// </summary>
+      public static void SetCacheSystemSandboxPath(string sandboxPath);
+  }
+  ```
+
 ## [1.4.12] - 2023-04-22
 
 ### Changed

Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollector.cs

@@ -197,16 +197,17 @@ namespace YooAsset.Editor
 			// 检测可寻址地址是否重复
 			if (command.EnableAddressable)
 			{
-				HashSet<string> adressTemper = new HashSet<string>();
+				var addressTemper = new Dictionary<string, string>();
 				foreach (var collectInfoPair in result)
 				{
 					if (collectInfoPair.Value.CollectorType == ECollectorType.MainAssetCollector)
 					{
 						string address = collectInfoPair.Value.Address;
-						if (adressTemper.Contains(address) == false)
+						string assetPath = collectInfoPair.Value.AssetPath;
-							adressTemper.Add(address);
+						if (addressTemper.TryGetValue(address, out var existed) == false)
+							addressTemper.Add(address, assetPath);
 						else
-							throw new Exception($"The address is existed : {address} in collector : {CollectPath}");
+							throw new Exception($"The address is existed : {address} in collector : {CollectPath} \nAssetPath:\n     {existed}\n     {assetPath}");
 					}
 				}
 			}

Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorGroup.cs

@@ -96,16 +96,17 @@ namespace YooAsset.Editor
 			// 检测可寻址地址是否重复
 			if (command.EnableAddressable)
 			{
-				HashSet<string> adressTemper = new HashSet<string>();
+				var addressTemper = new Dictionary<string, string>();
 				foreach (var collectInfoPair in result)
 				{
 					if (collectInfoPair.Value.CollectorType == ECollectorType.MainAssetCollector)
 					{
 						string address = collectInfoPair.Value.Address;
-						if (adressTemper.Contains(address) == false)
+						string assetPath = collectInfoPair.Value.AssetPath;
-							adressTemper.Add(address);
+						if (addressTemper.TryGetValue(address, out var existed) == false)
+							addressTemper.Add(address, assetPath);
 						else
-							throw new Exception($"The address is existed : {address} in group : {GroupName}");
+							throw new Exception($"The address is existed : {address} in group : {GroupName} \nAssetPath:\n     {existed}\n     {assetPath}");
 					}
 				}
 			}

Assets/YooAsset/Editor/AssetBundleCollector/AssetBundleCollectorPackage.cs

@@ -76,16 +76,17 @@ namespace YooAsset.Editor
 			// 检测可寻址地址是否重复
 			if (command.EnableAddressable)
 			{
-				HashSet<string> adressTemper = new HashSet<string>();
+				var addressTemper = new Dictionary<string, string>();
 				foreach (var collectInfoPair in result)
 				{
 					if (collectInfoPair.Value.CollectorType == ECollectorType.MainAssetCollector)
 					{
 						string address = collectInfoPair.Value.Address;
-						if (adressTemper.Contains(address) == false)
+						string assetPath = collectInfoPair.Value.AssetPath;
-							adressTemper.Add(address);
+						if (addressTemper.TryGetValue(address, out var existed) == false)
+							addressTemper.Add(address, assetPath);
 						else
-							throw new Exception($"The address is existed : {address}");
+							throw new Exception($"The address is existed : {address} \nAssetPath:\n     {existed}\n     {assetPath}");
 					}
 				}
 			}

Assets/YooAsset/Runtime/AssetSystem/Handles/SubAssetsOperationHandle.cs

@@ -112,8 +112,6 @@ namespace YooAsset
 				var retObject = assetObject as TObject;
 				if (retObject != null)
 					ret.Add(retObject);
-				else
-					YooLogger.Warning($"The type conversion failed : {assetObject.name}");
 			}
 			return ret.ToArray();
 		}

Assets/YooAsset/Runtime/CacheSystem/CacheSystem.cs

@@ -23,6 +23,15 @@ namespace YooAsset
 			_cachedDic.Clear();
 		}
 
+		/// <summary>
+		/// 清空指定包裹的所有缓存数据
+		/// </summary>
+		public static void ClearPackage(string packageName)
+		{
+			var cache = GetOrCreateCache(packageName);
+			cache.ClearAll();
+		}
+
 		/// <summary>
 		/// 获取缓存文件总数
 		/// </summary>
@@ -115,7 +124,7 @@ namespace YooAsset
 		{
 			return VerifyingInternal(element.TempDataFilePath, element.FileSize, element.FileCRC, EVerifyLevel.High);
 		}
-		
+
 		/// <summary>
 		/// 验证记录文件（主线程内操作）
 		/// </summary>
@@ -148,6 +157,14 @@ namespace YooAsset
 			return result;
 		}
 
+		/// <summary>
+		/// 获取所有的缓存文件
+		/// </summary>
+		public static List<string> GetAllCacheGUIDs(ResourcePackage package)
+		{
+			var cache = GetOrCreateCache(package.PackageName);
+			return cache.GetAllKeys();
+		}
 
 		private static EVerifyResult VerifyingInternal(string filePath, long fileSize, string fileCRC, EVerifyLevel verifyLevel)
 		{

Assets/YooAsset/Runtime/CacheSystem/Operations/ClearAllCacheFilesOperation.cs

@@ -0,0 +1,71 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+
+namespace YooAsset
+{
+	/// <summary>
+	/// 清理本地包裹所有的缓存文件
+	/// </summary>
+	public sealed class ClearAllCacheFilesOperation : AsyncOperationBase
+	{
+		private enum ESteps
+		{
+			None,
+			GetAllCacheFiles,
+			ClearAllCacheFiles,
+			Done,
+		}
+
+		private readonly ResourcePackage _package;
+		private List<string> _allCacheGUIDs;
+		private int _fileTotalCount = 0;
+		private ESteps _steps = ESteps.None;
+		
+		internal ClearAllCacheFilesOperation(ResourcePackage package)
+		{
+			_package = package;
+		}
+		internal override void Start()
+		{
+			_steps = ESteps.GetAllCacheFiles;
+		}
+		internal override void Update()
+		{
+			if (_steps == ESteps.None || _steps == ESteps.Done)
+				return;
+
+			if (_steps == ESteps.GetAllCacheFiles)
+			{
+				_allCacheGUIDs = CacheSystem.GetAllCacheGUIDs(_package);
+				_fileTotalCount = _allCacheGUIDs.Count;
+				YooLogger.Log($"Found all cache file count : {_fileTotalCount}");
+				_steps = ESteps.ClearAllCacheFiles;
+			}
+
+			if (_steps == ESteps.ClearAllCacheFiles)
+			{
+				for (int i = _allCacheGUIDs.Count - 1; i >= 0; i--)
+				{
+					string cacheGUID = _allCacheGUIDs[i];
+					CacheSystem.DiscardFile(_package.PackageName, cacheGUID);
+					_allCacheGUIDs.RemoveAt(i);
+
+					if (OperationSystem.IsBusy)
+						break;
+				}
+
+				if (_fileTotalCount == 0)
+					Progress = 1.0f;
+				else
+					Progress = 1.0f - (_allCacheGUIDs.Count / _fileTotalCount);
+
+				if (_allCacheGUIDs.Count == 0)
+				{
+					_steps = ESteps.Done;
+					Status = EOperationStatus.Succeed;
+				}
+			}
+		}
+	}
+}

Assets/YooAsset/Runtime/CacheSystem/Operations/ClearAllCacheFilesOperation.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 4eb0b0eafee709d478ab6d81faacb304
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/YooAsset/Runtime/CacheSystem/Operations/Internal/FindCacheFilesOperation.cs

@@ -45,7 +45,7 @@ namespace YooAsset
 			{
 				// BundleFiles
 				{
-					string rootPath = PersistentHelper.GetCachedBundleFileFolderPath(_packageName);
+					string rootPath = PersistentTools.GetCachedBundleFileFolderPath(_packageName);
 					DirectoryInfo rootDirectory = new DirectoryInfo(rootPath);
 					if (rootDirectory.Exists)
 					{
@@ -56,7 +56,7 @@ namespace YooAsset
 
 				// RawFiles
 				{
-					string rootPath = PersistentHelper.GetCachedRawFileFolderPath(_packageName);
+					string rootPath = PersistentTools.GetCachedRawFileFolderPath(_packageName);
 					DirectoryInfo rootDirectory = new DirectoryInfo(rootPath);
 					if (rootDirectory.Exists)
 					{

Assets/YooAsset/Runtime/CacheSystem/PersistentTools.cs

@@ -3,14 +3,59 @@ using System.Collections.Generic;
 
 namespace YooAsset
 {
-	/// <summary>
+	internal static class PersistentTools
-	/// 资源路径帮助类
-	/// </summary>
-	internal static class PathHelper
 	{
+		private const string CacheFolderName = "CacheFiles";
+		private const string CachedBundleFileFolder = "BundleFiles";
+		private const string CachedRawFileFolder = "RawFiles";
+		private const string ManifestFolderName = "ManifestFiles";
+		private const string AppFootPrintFileName = "ApplicationFootPrint.bytes";
+
 		private static string _buildinPath;
 		private static string _sandboxPath;
 
+
+		/// <summary>
+		/// 重写沙盒跟路径
+		/// </summary>
+		public static void OverwriteSandboxPath(string sandboxPath)
+		{
+			_sandboxPath = sandboxPath;
+		}
+
+		/// <summary>
+		/// 获取沙盒文件夹路径
+		/// </summary>
+		public static string GetPersistentRootPath()
+		{
+#if UNITY_EDITOR
+			// 注意：为了方便调试查看，编辑器下把存储目录放到项目里
+			if (string.IsNullOrEmpty(_sandboxPath))
+			{
+				string directory = Path.GetDirectoryName(UnityEngine.Application.dataPath);
+				string projectPath = GetRegularPath(directory);
+				_sandboxPath = StringUtility.Format("{0}/Sandbox", projectPath);
+			}
+#elif UNITY_STANDALONE
+			if (string.IsNullOrEmpty(_sandboxPath))
+			{
+				_sandboxPath = StringUtility.Format("{0}/Sandbox", UnityEngine.Application.dataPath);
+			}
+#else
+			if (string.IsNullOrEmpty(_sandboxPath))
+			{
+				_sandboxPath = StringUtility.Format("{0}/Sandbox", UnityEngine.Application.persistentDataPath);
+			}
+#endif
+
+			return _sandboxPath;
+		}
+		private static string GetRegularPath(string path)
+		{
+			return path.Replace('\\', '/').Replace("\\", "/"); //替换为Linux路径格式
+		}
+
+
 		/// <summary>
 		/// 获取基于流文件夹的加载路径
 		/// </summary>
@@ -32,33 +77,6 @@ namespace YooAsset
 			return StringUtility.Format("{0}/{1}", root, path);
 		}
 
-		/// <summary>
-		/// 获取沙盒文件夹路径
-		/// </summary>
-		public static string GetPersistentRootPath()
-		{
-#if UNITY_EDITOR
-			// 注意：为了方便调试查看，编辑器下把存储目录放到项目里
-			if (string.IsNullOrEmpty(_sandboxPath))
-			{
-				string directory = Path.GetDirectoryName(UnityEngine.Application.dataPath);
-				string projectPath = GetRegularPath(directory);
-				_sandboxPath = StringUtility.Format("{0}/Sandbox", projectPath);
-			}
-			return _sandboxPath;
-#else
-			if (string.IsNullOrEmpty(_sandboxPath))
-			{
-				_sandboxPath = StringUtility.Format("{0}/Sandbox", UnityEngine.Application.persistentDataPath);
-			}
-			return _sandboxPath;
-#endif
-		}
-		private static string GetRegularPath(string path)
-		{
-			return path.Replace('\\', '/').Replace("\\", "/"); //替换为Linux路径格式
-		}
-
 		/// <summary>
 		/// 获取WWW加载本地资源的路径
 		/// </summary>
@@ -76,18 +94,6 @@ namespace YooAsset
 			return path;
 #endif
 		}
-	}
-
-	/// <summary>
-	/// 持久化目录帮助类
-	/// </summary>
-	internal static class PersistentHelper
-	{
-		private const string CacheFolderName = "CacheFiles";
-		private const string CachedBundleFileFolder = "BundleFiles";
-		private const string CachedRawFileFolder = "RawFiles";
-		private const string ManifestFolderName = "ManifestFiles";
-		private const string AppFootPrintFileName = "ApplicationFootPrint.bytes";
 
 
 		/// <summary>
@@ -95,7 +101,7 @@ namespace YooAsset
 		/// </summary>
 		public static void DeleteSandbox()
 		{
-			string directoryPath = PathHelper.MakePersistentLoadPath(string.Empty);
+			string directoryPath = MakePersistentLoadPath(string.Empty);
 			if (Directory.Exists(directoryPath))
 				Directory.Delete(directoryPath, true);
 		}
@@ -105,7 +111,7 @@ namespace YooAsset
 		/// </summary>
 		public static void DeleteCacheFolder()
 		{
-			string root = PathHelper.MakePersistentLoadPath(CacheFolderName);
+			string root = MakePersistentLoadPath(CacheFolderName);
 			if (Directory.Exists(root))
 				Directory.Delete(root, true);
 		}
@@ -115,7 +121,7 @@ namespace YooAsset
 		/// </summary>
 		public static void DeleteManifestFolder()
 		{
-			string root = PathHelper.MakePersistentLoadPath(ManifestFolderName);
+			string root = MakePersistentLoadPath(ManifestFolderName);
 			if (Directory.Exists(root))
 				Directory.Delete(root, true);
 		}
@@ -129,7 +135,7 @@ namespace YooAsset
 		{
 			if (_cachedBundleFileFolder.TryGetValue(packageName, out string value) == false)
 			{
-				string root = PathHelper.MakePersistentLoadPath(CacheFolderName);
+				string root = MakePersistentLoadPath(CacheFolderName);
 				value = $"{root}/{packageName}/{CachedBundleFileFolder}";
 				_cachedBundleFileFolder.Add(packageName, value);
 			}
@@ -144,7 +150,7 @@ namespace YooAsset
 		{
 			if (_cachedRawFileFolder.TryGetValue(packageName, out string value) == false)
 			{
-				string root = PathHelper.MakePersistentLoadPath(CacheFolderName);
+				string root = MakePersistentLoadPath(CacheFolderName);
 				value = $"{root}/{packageName}/{CachedRawFileFolder}";
 				_cachedRawFileFolder.Add(packageName, value);
 			}
@@ -156,7 +162,7 @@ namespace YooAsset
 		/// </summary>
 		public static string GetAppFootPrintFilePath()
 		{
-			return PathHelper.MakePersistentLoadPath(AppFootPrintFileName);
+			return MakePersistentLoadPath(AppFootPrintFileName);
 		}
 
 		/// <summary>
@@ -165,7 +171,7 @@ namespace YooAsset
 		public static string GetCacheManifestFilePath(string packageName, string packageVersion)
 		{
 			string fileName = YooAssetSettingsData.GetManifestBinaryFileName(packageName, packageVersion);
-			return PathHelper.MakePersistentLoadPath($"{ManifestFolderName}/{fileName}");
+			return MakePersistentLoadPath($"{ManifestFolderName}/{fileName}");
 		}
 
 		/// <summary>
@@ -174,7 +180,7 @@ namespace YooAsset
 		public static string GetCachePackageHashFilePath(string packageName, string packageVersion)
 		{
 			string fileName = YooAssetSettingsData.GetPackageHashFileName(packageName, packageVersion);
-			return PathHelper.MakePersistentLoadPath($"{ManifestFolderName}/{fileName}");
+			return MakePersistentLoadPath($"{ManifestFolderName}/{fileName}");
 		}
 
 		/// <summary>
@@ -183,7 +189,7 @@ namespace YooAsset
 		public static string GetCachePackageVersionFilePath(string packageName)
 		{
 			string fileName = YooAssetSettingsData.GetPackageVersionFileName(packageName);
-			return PathHelper.MakePersistentLoadPath($"{ManifestFolderName}/{fileName}");
+			return MakePersistentLoadPath($"{ManifestFolderName}/{fileName}");
 		}
 
 		/// <summary>

Assets/YooAsset/Runtime/PackageSystem/ManifestTools.cs

@@ -193,7 +193,7 @@ namespace YooAsset
 		public static BundleInfo GetUnpackInfo(PackageBundle packageBundle)
 		{
 			// 注意：我们把流加载路径指定为远端下载地址
-			string streamingPath = PathHelper.ConvertToWWWPath(packageBundle.StreamingFilePath);
+			string streamingPath = PersistentTools.ConvertToWWWPath(packageBundle.StreamingFilePath);
 			BundleInfo bundleInfo = new BundleInfo(packageBundle, BundleInfo.ELoadMode.LoadFromStreaming, streamingPath, streamingPath);
 			return bundleInfo;
 		}

Assets/YooAsset/Runtime/PackageSystem/Operations/InitializationOperation.cs

@@ -222,7 +222,7 @@ namespace YooAsset
 				// 如果水印发生变化，则说明覆盖安装后首次打开游戏
 				if (appFootPrint.IsDirty())
 				{
-					PersistentHelper.DeleteManifestFolder();
+					PersistentTools.DeleteManifestFolder();
 					appFootPrint.Coverage();
 					YooLogger.Log("Delete manifest files when application foot print dirty !");
 				}
@@ -376,7 +376,7 @@ namespace YooAsset
 		/// </summary>
 		public void Load()
 		{
-			string footPrintFilePath = PersistentHelper.GetAppFootPrintFilePath();
+			string footPrintFilePath = PersistentTools.GetAppFootPrintFilePath();
 			if (File.Exists(footPrintFilePath))
 			{
 				_footPrint = FileUtility.ReadAllText(footPrintFilePath);
@@ -409,7 +409,7 @@ namespace YooAsset
 #else
 			_footPrint = Application.buildGUID;
 #endif
-			string footPrintFilePath = PersistentHelper.GetAppFootPrintFilePath();
+			string footPrintFilePath = PersistentTools.GetAppFootPrintFilePath();
 			FileUtility.CreateFile(footPrintFilePath, _footPrint);
 			YooLogger.Log($"Save application foot print : {_footPrint}");
 		}

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/DownloadManifestOperation.cs

@@ -41,7 +41,7 @@ namespace YooAsset
 			{
 				if (_downloader1 == null)
 				{
-					string savePath = PersistentHelper.GetCachePackageHashFilePath(_packageName, _packageVersion);
+					string savePath = PersistentTools.GetCachePackageHashFilePath(_packageName, _packageVersion);
 					string fileName = YooAssetSettingsData.GetPackageHashFileName(_packageName, _packageVersion);
 					string webURL = GetDownloadRequestURL(fileName);
 					YooLogger.Log($"Beginning to download package hash file : {webURL}");
@@ -71,7 +71,7 @@ namespace YooAsset
 			{
 				if (_downloader2 == null)
 				{
-					string savePath = PersistentHelper.GetCacheManifestFilePath(_packageName, _packageVersion);
+					string savePath = PersistentTools.GetCacheManifestFilePath(_packageName, _packageVersion);
 					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_packageName, _packageVersion);
 					string webURL = GetDownloadRequestURL(fileName);
 					YooLogger.Log($"Beginning to download manifest file : {webURL}");

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/LoadBuildinManifestOperation.cs

@@ -42,8 +42,8 @@ namespace YooAsset
 				if (_downloader == null)
 				{
 					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
-					string filePath = PathHelper.MakeStreamingLoadPath(fileName);
+					string filePath = PersistentTools.MakeStreamingLoadPath(fileName);
-					string url = PathHelper.ConvertToWWWPath(filePath);
+					string url = PersistentTools.ConvertToWWWPath(filePath);
 					_downloader = new UnityWebDataRequester();
 					_downloader.SendRequest(url);
 				}

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/LoadCacheManifestOperation.cs

@@ -67,7 +67,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.VerifyFileHash)
 			{
-				_manifestFilePath = PersistentHelper.GetCacheManifestFilePath(_packageName, _packageVersion);
+				_manifestFilePath = PersistentTools.GetCacheManifestFilePath(_packageName, _packageVersion);
 				if (File.Exists(_manifestFilePath) == false)
 				{
 					_steps = ESteps.Done;
@@ -131,7 +131,7 @@ namespace YooAsset
 				File.Delete(_manifestFilePath);
 			}
 
-			string hashFilePath = PersistentHelper.GetCachePackageHashFilePath(_packageName, _packageVersion);
+			string hashFilePath = PersistentTools.GetCachePackageHashFilePath(_packageName, _packageVersion);
 			if (File.Exists(hashFilePath))
 			{
 				File.Delete(hashFilePath);

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/QueryBuildinPackageVersionOperation.cs

@@ -38,8 +38,8 @@ namespace YooAsset
 				if (_downloader == null)
 				{
 					string fileName = YooAssetSettingsData.GetPackageVersionFileName(_packageName);
-					string filePath = PathHelper.MakeStreamingLoadPath(fileName);
+					string filePath = PersistentTools.MakeStreamingLoadPath(fileName);
-					string url = PathHelper.ConvertToWWWPath(filePath);
+					string url = PersistentTools.ConvertToWWWPath(filePath);
 					_downloader = new UnityWebDataRequester();
 					_downloader.SendRequest(url);
 				}

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/QueryCachePackageHashOperation.cs

@@ -37,7 +37,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.LoadCachePackageHashFile)
 			{
-				string filePath = PersistentHelper.GetCachePackageHashFilePath(_packageName, _packageVersion);
+				string filePath = PersistentTools.GetCachePackageHashFilePath(_packageName, _packageVersion);
 				if (File.Exists(filePath) == false)
 				{
 					_steps = ESteps.Done;

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/QueryCachePackageVersionOperation.cs

@@ -35,7 +35,7 @@ namespace YooAsset
 
 			if (_steps == ESteps.LoadCachePackageVersionFile)
 			{
-				string filePath = PersistentHelper.GetCachePackageVersionFilePath(_packageName);
+				string filePath = PersistentTools.GetCachePackageVersionFilePath(_packageName);
 				if (File.Exists(filePath) == false)
 				{
 					_steps = ESteps.Done;

Assets/YooAsset/Runtime/PackageSystem/Operations/Internal/UnpackBuildinManifestOperation.cs

@@ -35,10 +35,10 @@ namespace YooAsset
 			{
 				if (_downloader1 == null)
 				{
-					string savePath = PersistentHelper.GetCachePackageHashFilePath(_buildinPackageName, _buildinPackageVersion);
+					string savePath = PersistentTools.GetCachePackageHashFilePath(_buildinPackageName, _buildinPackageVersion);
 					string fileName = YooAssetSettingsData.GetPackageHashFileName(_buildinPackageName, _buildinPackageVersion);
-					string filePath = PathHelper.MakeStreamingLoadPath(fileName);
+					string filePath = PersistentTools.MakeStreamingLoadPath(fileName);
-					string url = PathHelper.ConvertToWWWPath(filePath);
+					string url = PersistentTools.ConvertToWWWPath(filePath);
 					_downloader1 = new UnityWebFileRequester();
 					_downloader1.SendRequest(url, savePath);
 				}
@@ -64,10 +64,10 @@ namespace YooAsset
 			{
 				if (_downloader2 == null)
 				{
-					string savePath = PersistentHelper.GetCacheManifestFilePath(_buildinPackageName, _buildinPackageVersion);
+					string savePath = PersistentTools.GetCacheManifestFilePath(_buildinPackageName, _buildinPackageVersion);
 					string fileName = YooAssetSettingsData.GetManifestBinaryFileName(_buildinPackageName, _buildinPackageVersion);
-					string filePath = PathHelper.MakeStreamingLoadPath(fileName);
+					string filePath = PersistentTools.MakeStreamingLoadPath(fileName);
-					string url = PathHelper.ConvertToWWWPath(filePath);
+					string url = PersistentTools.ConvertToWWWPath(filePath);
 					_downloader2 = new UnityWebFileRequester();
 					_downloader2.SendRequest(url, savePath);
 				}

Assets/YooAsset/Runtime/PackageSystem/PackageBundle.cs

@@ -74,12 +74,12 @@ namespace YooAsset
 				string folderName = FileHash.Substring(0, 2);
 				if (IsRawFile)
 				{
-					string cacheRoot = PersistentHelper.GetCachedRawFileFolderPath(PackageName);
+					string cacheRoot = PersistentTools.GetCachedRawFileFolderPath(PackageName);
 					_cachedDataFilePath = $"{cacheRoot}/{folderName}/{CacheGUID}/{YooAssetSettings.CacheBundleDataFileName}{_fileExtension}";
 				}
 				else
 				{
-					string cacheRoot = PersistentHelper.GetCachedBundleFileFolderPath(PackageName);
+					string cacheRoot = PersistentTools.GetCachedBundleFileFolderPath(PackageName);
 					_cachedDataFilePath = $"{cacheRoot}/{folderName}/{CacheGUID}/{YooAssetSettings.CacheBundleDataFileName}";
 				}
 				return _cachedDataFilePath;
@@ -100,12 +100,12 @@ namespace YooAsset
 				string folderName = FileHash.Substring(0, 2);
 				if (IsRawFile)
 				{
-					string cacheRoot = PersistentHelper.GetCachedRawFileFolderPath(PackageName);
+					string cacheRoot = PersistentTools.GetCachedRawFileFolderPath(PackageName);
 					_cachedInfoFilePath = $"{cacheRoot}/{folderName}/{CacheGUID}/{YooAssetSettings.CacheBundleInfoFileName}";
 				}
 				else
 				{
-					string cacheRoot = PersistentHelper.GetCachedBundleFileFolderPath(PackageName);
+					string cacheRoot = PersistentTools.GetCachedBundleFileFolderPath(PackageName);
 					_cachedInfoFilePath = $"{cacheRoot}/{folderName}/{CacheGUID}/{YooAssetSettings.CacheBundleInfoFileName}";
 				}
 				return _cachedInfoFilePath;
@@ -139,7 +139,7 @@ namespace YooAsset
 				if (string.IsNullOrEmpty(_streamingFilePath) == false)
 					return _streamingFilePath;
 
-				_streamingFilePath = PathHelper.MakeStreamingLoadPath(FileName);
+				_streamingFilePath = PersistentTools.MakeStreamingLoadPath(FileName);
 				return _streamingFilePath;
 			}
 		}

Assets/YooAsset/Runtime/PackageSystem/PlayMode/HostPlayModeImpl.cs

@@ -93,7 +93,7 @@ namespace YooAsset
 		public void FlushManifestVersionFile()
 		{
 			if (_activeManifest != null)
-				PersistentHelper.SaveCachePackageVersionFile(_packageName, _activeManifest.PackageVersion);
+				PersistentTools.SaveCachePackageVersionFile(_packageName, _activeManifest.PackageVersion);
 		}
 
 		private bool IsBuildinPackageBundle(PackageBundle packageBundle)

Assets/YooAsset/Runtime/PackageSystem/ResourcePackage.cs

@@ -251,6 +251,17 @@ namespace YooAsset
 			return operation;
 		}
 
+		/// <summary>
+		/// 清理包裹本地所有的缓存文件
+		/// </summary>
+		public ClearAllCacheFilesOperation ClearAllCacheFilesAsync()
+		{
+			DebugCheckInitialize();
+			var operation = new ClearAllCacheFilesOperation(this);
+			OperationSystem.StartOperation(operation);
+			return operation;
+		}
+
 		/// <summary>
 		/// 获取本地包裹的版本信息
 		/// </summary>

Assets/YooAsset/Runtime/YooAssets.cs

@@ -150,6 +150,9 @@ namespace YooAsset
 			YooLogger.Log($"Destroy resource package : {packageName}");
 			_packages.Remove(package);
 			package.DestroyPackage();
+
+			// 清空缓存
+			CacheSystem.ClearPackage(packageName);
 		}
 
 		/// <summary>
@@ -231,6 +234,27 @@ namespace YooAsset
 		{
 			CacheSystem.InitVerifyLevel = verifyLevel;
 		}
+
+		/// <summary>
+		/// 设置缓存系统参数，沙盒目录的存储路径
+		/// </summary>
+		public static void SetCacheSystemSandboxPath(string sandboxPath)
+		{
+			if (string.IsNullOrEmpty(sandboxPath))
+			{
+				YooLogger.Error($"Sandbox path is null or empty !");
+				return;
+			}
+
+			// 注意：需要确保没有任何资源系统起效之前才可以设置沙盒目录！
+			if (_packages.Count > 0)
+			{
+				YooLogger.Error($"Please call this method {nameof(SetCacheSystemSandboxPath)} before the package is created !");
+				return;
+			}
+
+			PersistentTools.OverwriteSandboxPath(sandboxPath);
+		}
 		#endregion
 
 		#region 沙盒相关
@@ -247,7 +271,7 @@ namespace YooAsset
 		/// </summary>
 		public static string GetSandboxRoot()
 		{
-			return PathHelper.GetPersistentRootPath();
+			return PersistentTools.GetPersistentRootPath();
 		}
 
 		/// <summary>
@@ -256,7 +280,7 @@ namespace YooAsset
 		public static void ClearSandbox()
 		{
 			YooLogger.Warning("Clear sandbox folder files, Finally, restart the application !");
-			PersistentHelper.DeleteSandbox();
+			PersistentTools.DeleteSandbox();
 		}
 		#endregion
 

Assets/YooAsset/Samples~/Space Shooter/ThirdParty/StreamingAssetsHelper/Editor/StreamingAssetsHelperEditor.cs

@@ -2,7 +2,7 @@
 // 作者：Stark
 //-------------------------------------
 
-#if UNITY_ANDROID
+#if UNITY_ANDROID && UNITY_EDITOR
 /// <summary>
 /// 为Github对开发者的友好，采用自动补充UnityPlayerActivity.java文件的通用姿势满足各个开发者
 /// </summary>
@@ -30,7 +30,6 @@ internal class AndroidPost : UnityEditor.Android.IPostGenerateGradleAndroidProje
 			"        } \n" +
 			"        catch(java.io.IOException e) \n" +
 			"        { \n" +
-			"            e.printStackTrace(); \n" +
 			"        } \n" +
 			"        return false; \n" +
 			"    } \n" +

Assets/YooAsset/package.json

@@ -1,7 +1,7 @@
 {
     "name": "com.tuyoogame.yooasset",
     "displayName": "YooAsset",
-    "version": "1.4.12",
+    "version": "1.4.13",
     "unity": "2019.4",
     "description": "unity3d resources management system.",
     "author": {