<%if session("UserName")="" then%>
<script language="javascript">
alert("sorry,please login!")
top.location.href="login.asp"
</script>
<%end if%>
<script language="javascript">
alert("sorry,please login!")
top.location.href="login.asp"
</script>
<%end if%>
username=request("username")
session("username")=username
%>在登陆的时候赋值
显示的一面
<%
username=session("username")
if username="" then
response.write("<script>alert('sorry,please login');history.go(-1);</script>")
elseend if%>
<%
username=request("username")
session("username")=username
%>在登陆的时候赋值
显示的一面
<%
username=session("username")
if username="" then
response.write("<script>alert('sorry,please login');history.go(-1);</script>")
else
response.write "欢迎光临本站"&username
end if%>
<?php
session_start();
$username=$_POST("username");//假设是用post方法
$_SESSION["username"]=$username;
?>
显示的一面
<?php
session_start();
$username=$_SESSION["username"];
if($username=="")
echo("<script>alert('sorry,please login');history.go(-1);</script>");
else
echo("欢迎光临本站".$username)
?>