【ASP.Net】下载服务器端txt或者xml文件

 protected void filedownload()
        {
            string destFileName = "temp.txt";
            destFileName = Server.MapPath(".") + "" + destFileName;
            destFileName = Server.UrlDecode(destFileName);
            if (File.Exists(destFileName))
            {
                FileInfo fi = new FileInfo(destFileName);
                Response.Clear();
                Response.ClearHeaders();
                Response.Buffer = false;
                Response.AppendHeader("Content-Disposition","attachment;filename=" + HttpUtility.UrlEncode(Path.GetFileName(destFileName),System.Text.Encoding.UTF8));
                Response.AppendHeader("Content-Length",fi.Length.ToString());
                Response.ContentType = "application/octet-stream";
                Response.WriteFile(destFileName);
                Response.Flush();
                Response.End();
            }        
        }

亲试可用，留着备忘

（编辑：李大同）

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