注册账号？
query("select * from user_list where user = '{$user}'");
//
if($res = $DB->fetch($rs)){
if($pass == $res['pass']){
$_SESSION['user'] = $user;
$_SESSION['islogin'] = 1;
$_SESSION['qq'] = $res['qq'];
$_SESSION['zt'] = $res['sta'];
echo "";exit;
}else{
echo "";exit;
}
}elseif(isset($_GET['logout'])){
$_SESSION['islogin'] = 0;
echo "";exit;
}elseif($_SESSION['islogin']==1){
echo "";exit;
}
?>