<% Response.Buffer = true Response.Clear dim url Dim fso,fl,flsize dim Dname Dim objStream,ContentType,flName,isre,url1 '*********************************************調(diào)用時傳入的下載文件名 Dname=trim(request("n")) '****************************************************************** If Dname<>"" Then '******************************下載文件存放的服務(wù)端目錄  url=server.MapPath("/")&"/"&Dname '*************************************************** End If Set fso=Server.CreateObject("Scripting.FileSystemObject")  Set fl=fso.getfile(url)  flsize=fl.size  flName=fl.name  Set fl=Nothing  Set fso=Nothing %> <%  Set objStream = Server.CreateObject("ADODB.Stream")  objStream.Open  objStream.Type = 1  objStream.LoadFromFile url  Select Case lcase(Right(flName, 4))  Case ".asf"   ContentType = "video/x-ms-asf"  Case ".avi"   ContentType = "video/avi"  Case ".doc"   ContentType = "application/msword"  Case ".zip"   ContentType = "application/zip"  Case ".xls"   ContentType = "application/vnd.ms-excel"  Case ".gif"   ContentType = "image/gif"  Case ".jpg", "jpeg"   ContentType = "image/jpeg"  Case ".wav"   ContentType = "audio/wav"  Case ".mp3"   ContentType = "audio/mpeg3"  Case ".mpg", "mpeg"   ContentType = "video/mpeg"  Case ".rtf"   ContentType = "application/rtf"  Case ".htm", "html"   ContentType = "text/html"  Case ".txt"   ContentType = "text/plain"  Case Else   ContentType = "application/octet-stream"  End Select  Response.AddHeader "Content-Disposition", "attachment; filename=" & flName  Response.AddHeader "Content-Length", flsize  Response.Charset = "UTF-8"  Response.ContentType = ContentType  Response.BinaryWrite objStream.Read  Response.Flush  response.Clear()  objStream.Close  Set objStream = Nothing %>

if instr(Request.ServerVariables("HTTP_REFERER"),"http://你的域名")=0 then    Response.End end if