神马文学网[学习]ASP实现点击链接直接下载文件
来源：百度文库 编辑：神马文学网 时间：2024/04/19 23:25:38
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在ie中点开图片或文档的链接里，IE会自动打开它,有时候这种功能并不是我们所需的,虽然我们可以提醒用户用鼠标右键-->"目标另存为...."命令来下载文档或图片,但这样毕竟不太方便,本文描述了利用FSO及Stream方法实现IE直接下载文档. (来源:mtc ‘s blog)
引用内容<%@ language=vbscript codepage=65001%>
<%
‘Filename must be input
if Request("Filename")="" then
response.write "
Error:
Filename is empty!"
else
call downloadFile(replace(replace(Request("Filename"),"\",""),"/",""))
Function downloadFile(strFile)
‘ make sure you are on the latest MDAC version for this to work
‘ get full path of specified file
strFilename = server.MapPath(strFile)
‘ clear the buffer
Response.Buffer = True
Response.Clear
‘ create stream
Set s = Server.CreateObject("ADODB.Stream")
s.Open
‘ Set as binary
s.Type = 1
‘ load in the file
on error resume next
‘ check the file exists
Set fso = Server.CreateObject("Scripting.FileSystemObject")
if not fso.FileExists(strFilename) then
Response.Write("
Error:
"&strFilename&" does not exists!")
Response.End
end if
‘ get length of file
Set f = fso.GetFile(strFilename)
intFilelength = f.size
s.LoadFromFile(strFilename)
if err then
Response.Write("
Error:
Unknown Error!")
Response.End
end if
‘ send the headers to the users Browse
Response.AddHeader "Content-Disposition","attachment; filename="&f.name
Response.AddHeader "Content-Length",intFilelength
Response.CharSet = "UTF-8"
Response.ContentType = "application/octet-stream"
‘ output the file to the browser
Response.BinaryWrite s.Read
Response.Flush
‘ tidy up
s.Close
Set s = Nothing
End Function
end if
%>
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