asp视频下载的代码

把下面的代码保存为download.asp，然后把下载链接改成<a href="Download.asp?FileName=***.rm">下载视频</a>就可以了：
<%FileName=Request.Querystring("FileName")
Function GetFileName(longname)
while instr(longname,"/")
longname=right(longname,len(longname)-1)
wend
GetFileName=longname
End Function
Const adTypeBinary=1
FileExt=Mid(FileName,InStrRev(FileName,".")+1)
Response.Clear
Response.AddHeader "content-disposition","attachment;filename="&GetFileName(FileName)
Set Stream=server.CreateObject("ADODB.Stream")
Stream.Type=adTypeBinary
Stream.Open
'这里把DownloadFiles改成下载文件所在文件夹与本页的相对路径
TrueFileName="DownloadFiles/"&FileName
Stream.LoadFromFile Server.MapPath(TrueFileName)
While Not Stream.EOS
Response.BinaryWrite Stream.Read(1024*64)
Wend
Stream.Close
Set Stream=Nothing
Response.Flush
Res