public void PreAssets() { DebugLog.DebugLogInfo("preasset---------------------------------"); PublicClass.DataManagerStatus = DataIntState.StreamCopying; string source_path = string.Empty; #if UNITY_EDITOR || UNITY_STANDALONE_WIN source_path = PublicClass.fileLocalStreamingPath.Replace("file://", ""); #elif UNITY_IOS source_path = PublicClass.fileLocalStreamingPath; #elif UNITY_ANDROID source_path = PublicClass.fileLocalStreamingPath; #endif string target_path = PublicClass.filePath; try { Vesal_DirFiles.DelectDirFiles(target_path, new List <string> { "PPT", "temp" }); DebugLog.DebugLogInfo("delete files ok---------------------------------"); UnityEngine.Debug.Log(source_path); UnityEngine.Debug.Log(copy_list.Count); PublicClass.InitDirFiles(); stream_copy_list = PublicTools.DeepCopy <List <string> >(copy_list); for (int i = 0; i < stream_copy_list.Count; i++) { stream_copy_list[i] = source_path + stream_copy_list[i]; } if (copy_list.Count > 0) { string source = stream_copy_list[stream_copy_count]; string target = target_path + copy_list[stream_copy_count]; StartCoroutine(Vesal_DirFiles.Vesal_FileCopy(source, target, count_stream_copy)); } else { DebugLog.DebugLogInfo("stream copy 异常--------------------------------"); PublicClass.DataManagerStatus = DataIntState.FetchDb; } } catch (Exception e) { UnityEngine.Debug.Log("current count :" + stream_copy_count); UnityEngine.Debug.Log(e.Message); UnityEngine.Debug.Log(e.StackTrace); PublicClass.DataManagerStatus = DataIntState.FetchDb; } }