downpic.asp页面:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta http-equiv="Content-Language" content="zh-cn" />
<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />
<script language = "JavaScript" src="/js/jquery-1.4.js" type = "text/javascript"></script>
</head>
<body>
<img src="1.jpg" width="129" height="130" />
<a href="1.jpg" target="_blank">打开</a>
<a href="loadpic.asp?filename=3114_jx.pdf" id="a" title="我要下载">下载</a>
</body>
<script>
</script>
</html>
loadpic.asp页面：
<%
strFile=Trim(Request.QueryString("filename"))
if strFile="" or isnull(strFile) then
Response.Write("<h1>缺少参数</h1>")
Response.End
end if
strFilename = server.MapPath(strFile)
'response.write strFilename
'response.end
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:" & strFilename & " 文件不存在</h1>")
Response.End
end if
Set f = fso.GetFile(strFilename)
intFilelength = f.size
s.LoadFromFile(strFilename)
if err then
Response.Write("<h1>Error:" & err.Description & " </h1>")
Response.End
end if
Response.AddHeader "Content-Disposition","attachment; filename=" & f.name
Response.AddHeader "Content-Length",intFilelength
Response.CharSet = "UTF-8"
Response.ContentType = "application/octet-stream"
Response.BinaryWrite s.Read
Response.Flush
s.Close
Set s = Nothing
%>
演示效果：
代码下载：
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