C#下载远程文件到本地 - 重工电子论坛

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方法1：WebClient 读取文件流下载



 WebClient client = new WebClient();



            byte[] bytes = client.DownloadData(Url);



          



            HttpContext.Response.ContentType = "application/octet-stream";



            HttpContext.Response.AddHeader("Content-Disposition", "attachement;filename=" + HttpUtility.UrlEncode(Path.GetFileName(Url)));



            HttpContext.Response.AddHeader("Content-Length", bytes.Length.ToString());



            HttpContext.Response.OutputStream.Write(bytes, 0, bytes.Length);



            HttpContext.Response.Flush();



            HttpContext.Response.Clear();



方法2：WebClient 直接下载到指定文件夹



            WebClient client = new WebClient();



            client.DownloadFile(Url, @"D:\"+HttpUtility.UrlEncode(Path.GetFileName(Url)));