UnityWebRequest怎么在线程中使用？

Question

我在下载局域网的压缩包的时候，背景在播放视频，在下载的过程中，还有写入数据的时候，播放的视频会卡住。我在想是不是把下载和写入以及后面的压缩的操作，开一个线程，在线程里面处理会不会更好一点，只是我用的UnityWebRequest来加载，需要写在协程里。我看网上有用HttpWebRequest来实现多线程加载，但是我觉得应该是我思路有问题。有人能帮我解惑么。

  /// 

        /// 批量下载压缩包并解压
        /// 
        /// <param name="downloadPath"> 下载文件夹路径 </param>
        /// <param name="savePath">保存文件夹路径</param>
        /// <param name="LoadProgress">加载进度的回调</param>
        /// <param name="DownLoad">完成回调</param>
        /// <returns></returns>
        public IEnumerator DownLoadAllZipAssetByWeb(string downloadPath, string savePath, Action<UnityWebRequest,int,int> LoadProgress, Action DownLoad)
        {
            if (!Directory.Exists(savePath))
            {
                Directory.CreateDirectory(savePath);
            }

            Debug.Log("进入下载的路径:" + downloadPath);
            Debug.Log("进入安装的路径:" + savePath);


            string directoryDownloadPath = ToDirectoryUrl(downloadPath);

            Debug.Log("查询文件夹的路径:" + directoryDownloadPath);

            //得到所有的文件件路径和所有文件的路径
            getSourceFolder(directoryDownloadPath);

            Debug.Log("文件的数量:" + fileVessel.Count);

            int allFileCount = fileVessel.Count;
            int currentDownloadCount = 0;

            for (int i = 0; i < folderVessel.Count; i++)
            {
                string tp = folderVessel[i].Replace(directoryDownloadPath, savePath);
                Directory.CreateDirectory(tp);
            }

            UnityWebRequest request = null;

            for (int i = 0; i < fileVessel.Count; i++)
            {
                currentDownloadCount = i+1;

                string newSaveUrl = fileVessel[i].Replace(directoryDownloadPath, savePath);
                string newDownloadUrl = ToWebRequestUrl(fileVessel[i]);

                packageVessel.Add(newSaveUrl);

                Debug.Log("下载的路径:" + newDownloadUrl);
                Debug.Log("安装的路径:" + newSaveUrl); 

                request = UnityWebRequest.Get(newDownloadUrl);

                if (LoadProgress != null)
                {
                    LoadProgress(request,currentDownloadCount, allFileCount);
                }

                yield return request.SendWebRequest();

                if (request.isNetworkError || request.isHttpError)
                {
                    Debug.Log("Download Error:" + request.error);
                }
                else if (request.isDone)
                {
                    byte[] results = request.downloadHandler.data;

                    FileInfo fileInfo = new FileInfo(newSaveUrl);
                    FileStream fs = fileInfo.Create();

                    fs.Write(results, 0, results.Length);
                    fs.Flush(); //文件写入存储到硬盘
                    fs.Close(); //关闭文件流对象
                    fs.Dispose(); //销毁文件对象
                }
            }

            request.Dispose();

            for (int i = 0; i < packageVessel.Count; i++)
            {
                //开始解压
                FileStream fileStream = new FileStream(packageVessel[i], FileMode.Open);

                DecompressToDirectory(fileStream, savePath);

                //UnzipWithChineseFilesOrDirs(packageVessel[i], savePath);

                //FileInfo info = new FileInfo(packageVessel[i]);
                //info.Delete();
            }

            if (DownLoad != null)
                DownLoad();
        }

Answer 1

不知道你这个问题是否已经解决, 如果还没有解决的话:

• 这篇文章：Unity使用UnityWebRequest实现HTTP网络连接 也许能够解决你的问题，你可以看下

如果你已经解决了该问题, 非常希望你能够分享一下解决方案, 写成博客, 将相关链接放在评论区, 以帮助更多的人 ^-^