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
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