Function downloadFile(strFile)
strFilename = server.MapPath(strFile)
Response.Buffer = True
Response.Clear
Set s = Server.CreateObject("ADODB.Stream")
s.Open
s.Type = 1
on error resume next
Set fso = Server.CreateObject("Scripting.FileSystemObject")
if not fso.FileExists(strFilename) then
Response.Write("<h1>Error:</h1>" & strFilename & " 文件不存在<p>")
Response.End
end if
Set f = fso.GetFile(strFilename)
intFilelength = f.size
s.LoadFromFile(strFilename)
if err then
Response.Write("<h1>Error: </h1> 文件下载错误")
Response.End
end if
<A href="down.asp?ID=10">down</a>
down.asp
<!--#include file="conn.asp"-->
<%
ID=CLNG(ID)
dim Dname
Dname=cONN.eXECUTE("select downurl from downloads where ID="&ID)(0)
Response.Buffer = true
Response.Clear
dim url
Dim fso,fl,flsize
Dim objStream,ContentType,flName,isre,url1
If Dname<>"" Then
url=server.MapPath("."&"\"&Dname)
'Response.Write Url
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