📄 upload_link.asp
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<SCRIPT language=javascript>
function check_file(form)
{
var strFileName = form.fileName.value;
if (strFileName == "")
{
alert("请选择要上传的文件");
return false;
}
var strType = strFileName.substring(strFileName.length - 3, strFileName.length);
strType = strType.toLowerCase();
if (strType=="jpg"||strType=="gif"||strtype=="swf")
return true;
else
{
alert("这种文件类型不允许上传！\r\n只允许上传这几种文件：jpg、gif、swf");
form.fileName.focus();
return false;
}
}
</SCRIPT>
</head>
<body leftmargin="0" topmargin="0" width=200 bgcolor="#ECF5FF">
<table bgcolor="#ECF5FF" width=200><tr><td>
<form action="upfile_link.asp" method="post" onSubmit="return check_file(this)" enctype="multipart/form-data">
<input type="hidden" name="type" value="<%=Request.QueryString("type")%>">
<input type="file" name="fileName"><br>
<input type="submit" name="submit" value="上传">
</form>
</td></tr></table>
</body>
</html>
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