// 判断是否登陆过
if(isset($_COOKIE['admin'])){
// 页面跳转
header('location:Phoenix.php');
}
// 登陆成功设置cookie
if($_POST){
$yonghu = trim($_POST['yonghu']);
$mima = md5($_POST['mima']);
if($yonghu == 'marlblack' && $mima == '944eb5d0b4b68716e27139be779b63fe'){
// 设置cookie
setcookie('admin','admin',time()+3600);
header('location:Phoenix.php');
}else{
echo '用户名错误';
}
}