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1 public partial class FileDownLoad : System.Web.UI.Page   
  2     {   
  3         //ÌṩÏÂÔØµÄÎļþ£¬²»±àÂëµÄ»°ÎļþÃû»áÂÒÂë   
  4         private string fileName = HttpContext.Current.Server.UrlEncode("¹æ·¶.rar");   
  5         private string filePath = HttpContext.Current.Server.MapPath("¹æ·¶.rar");   
  6         //ʹÓÃTransmifFileÏÂÔØÎļþ   
  7         protected void btnDL1_Click(object sender, EventArgs e)   
  8         {   
  9             FileInfo info = new FileInfo(filePath);   
 10             long fileSize = info.Length;   
 11             Response.Clear();   
 12             Response.ContentType = "application/x-zip-compressed";   
 13             Response.AddHeader("Content-Disposition", "attachment;filename="+ fileName);   
 14             //²»Ö¸Ã÷Content-LengthÓÃFlushµÄ»°²»»áÏÔʾÏÂÔØ½ø¶È   
 15 


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