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ASP隱藏真實文件的下載功能實現(xiàn)代碼

 更新時間:2008年12月02日 23:09:31   作者:  
將下邊的文件保存為Download.asp就可以了,然后根據(jù)需要傳要下載的文件過來就可以了。
格式:Download.asp?FileName=要下載的文件名
復(fù)制代碼 代碼如下:

Dim Stream
Dim Contents
Dim FileName
Dim FileExt
Const adTypeBinary = 1
FileName = Request.QueryString("FileName")
if FileName = "" Then
Response.Write "無效文件名."
Response.End
End if
' 下面是不希望下載的文件
FileExt = Mid(FileName, InStrRev(FileName, ".") + 1)
Select Case UCase(FileExt)
Case "ASP", "ASA", "ASPX", "ASAX", "MDB"
Response.Write "受保護(hù)文件,不能下載."
Response.End
End Select
' 下載這個文件
Response.Clear
Response.ContentType = "application/octet-stream"
Response.AddHeader "content-disposition", "attachment; filename=" & FileName
Set Stream = server.CreateObject("ADODB.Stream")
Stream.Type = adTypeBinary
Stream.Open
Stream.LoadFromFile Server.MapPath(FileName)
While Not Stream.EOS
Response.BinaryWrite Stream.Read(1024 * 64)
Wend
Stream.Close
Set Stream = Nothing
Response.Flush
Response.End

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