日期:2014-05-17 浏览次数:20534 次
protected void Button3_Click(object sender, EventArgs e) { string fileName = "aaa.txt";//客户端保存的文件名 string filePath = Server.MapPath("DownLoad/aaa.txt");//路径 System.IO.FileInfo fileInfo = new System.IO.FileInfo(filePath); if (fileInfo.Exists == true) { const long ChunkSize = 102400;//100K 每次读取文件,只读取100K,这样可以缓解服务器的压力 byte[] buffer = new byte[ChunkSize]; Response.Clear(); System.IO.FileStream iStream = System.IO.File.OpenRead(filePath); long dataLengthToRead = iStream.Length;//获取下载的文件总大小 Response.ContentType = "application/octet-stream"; switch (Request.Browser.Browser) { case "Firefox": Response.AddHeader("Content-Disposition", "attachment;filename=\"" + fileName + "\""); break; case "AppleMAC-Safari": Response.AddHeader("Content-Disposition", "attachment;filename=\"" + fileName + "\""); break; case "IE": Response.AddHeader("Content-Disposition", "attachment;filename=" + ReplaceEtension(ToHexString(fileName))); break; default: Response.AddHeader("Content-Disposition", "attachment;filename=" + ReplaceEtension(ToHexString(fileName))); break; } while (dataLengthToRead > 0 && Response.IsClientConnected) { int lengthRead = iStream.Read(buffer, 0, Convert.ToInt32(ChunkSize));//读取的大小 Response.OutputStream.Write(buffer, 0, lengthRead); Response.Flush(); dataLengthToRead = dataLengthToRead - lengthRead; } Response.Close(); } }
------解决方案--------------------
明白你说的意思了,
弹出的对话框 的三个按钮 打开,保存,取消
你的说直接保存是OK的,如果点打开(如果是DOC),就会用WORD直接打开,存储的是临时文件,这时WORD程序的标题栏,是编码后的特殊字符,对么?