public static bool Download(string resourceUri, out string downloadPath) { downloadPath = string.Empty; if (string.IsNullOrWhiteSpace(resourceUri)) { return(false); } try { //"http://ydschool-online.nos.netease.com/account_v0205.mp3" WebRequest request = WebRequest.Create(resourceUri); WebResponse response = request.GetResponse(); using (Stream reader = response.GetResponseStream()) { var userDownloadFolder = CustomPathUtil.GetUserDownloadFolder(); downloadPath = Path.Combine(userDownloadFolder, $"{Guid.NewGuid()}{Path.GetExtension(resourceUri)}"); //图片路径命名 using (FileStream writer = new FileStream(downloadPath, FileMode.OpenOrCreate, FileAccess.Write)) { byte[] buff = new byte[512]; int c = 0; //实际读取的字节数 while ((c = reader.Read(buff, 0, buff.Length)) > 0) { writer.Write(buff, 0, c); } response.Close(); } } } catch (Exception ex) { return(false); } //下载成功 return(true); }
private void DeleteRunnableCache() { Task.Run(() => { var userDownloadFolder = CustomPathUtil.GetUserDownloadFolder(); var fileInfos = new DirectoryInfo(userDownloadFolder).GetFiles(); foreach (var fileInfo in fileInfos) { File.Delete(fileInfo.FullName); } }); }