<%
Const ForReading=1
Const TristateTrue=-1
Const FILE_TRANSFER_SIZE=16384
Response.Buffer = True
Function TransferFile(path, mimeType, filename)
Dim objFileSystem, objFile, objStream
Dim char
Dim sent
send=0
TransferFile = True
Set objFileSystem = Server.CreateObject("Scripting.FileSystemObject")
Set objFile = objFileSystem.GetFile(Path)
Set objStream = objFile.OpenAsTextStream(ForReading, TristateTrue)
Response.AddHeader "content-type", mimeType
Response.AddHeader "Content-Disposition","attachment;filename="&filename
Response.AddHeader "content-length", objFile.Size
Do While Not objStream.AtEndOfStream
char = objStream.Read(1)
Response.BinaryWrite(char)
sent = sent + 1
If (sent MOD FILE_TRANSFER_SIZE) = 0 Then
Response.Flush
If Not Response.IsClientConnected Then
TransferFile = False
Exit Do
End If
End If
Loop
Response.Flush
if not Response.IsClientConnected Then TransferFile = False
objStream.Close
Set objStream = Nothing
Set objFileSystem = Nothing
End Function
Dim path, mimeType, sucess, attfile
path = Server.MapPath(Request("filepath"))
mimeType = "application/octec-stream"
attfile = Request("filename")
sucess = TransferFile(path, mimeType, attfile)
Response.End
%>
在同一個頁面也可以這樣
.......................
Dim path, mimeType, sucess, attfile
path = Server.MapPath("aqua.swf")
mimeType = "application/octec-stream"
attfile = "aqua.swf"
if request("down")=1 then
sucess = TransferFile(path, mimeType, attfile)
Response.End
end if
%>
<a href="?down=1" >點擊下載</a>
有话要说