9169-php/Application/Admin/beifen/Controller/CommonController.class.php

<?php
namespace Admin\Controller;
use Think\Controller;
class CommonController extends Controller{
    public function __construct(){
        //先调用父类构造方法
        parent::__construct();
        //登录判断
        if(empty(session('aa9169'))){
            //没有登录，跳转到登录页
            $this -> redirect('https://www.aa9169.com/Admin/Login/login');die;
        }
    }
}