Function dl(f,n)
On error resume Next
Set s=CreateObject("Adodb.Stream")
s.Mode=3
s.Type=1
s.Open
s.Loadformfile(f)
if Err..Number>0 then
Response.status="404"
Else
Response.ContentType="application/octet-stream"
Response.AddHeader "Content-Disposition:","attachment;filename=" & n
Range=Mid(Request.ServerVariables("HTTP_RANGE"),7)
if Range=" " then
Response.BinaryWrite(s.Read)
Else
s.position=clng(split(Range,"-")(0))
Response.BinaryWrite(s.Read)
End If
End if
Response.End
函数调用实例
call dl(Server.MapPath("text.zip"),"test.zip")
