Customer-Service/application/admin/controller/Base.php

<?php
namespace app\admin\controller;

use think\Controller;

class Base extends Controller
{
    public function _initialize()
    {
        if (!session('user_id')) {
            $this->redirect('admin/login/index');
        }
        $menu = db('menu')->where('p_id',0)->select();
        $menulist = db('menu')->where('p_id','<>',0)->select();
        for($i=0;$i<count($menu);$i++){
            for($j=0;$j<count($menulist);$j++){
                if($menu[$i]['id'] == $menulist[$j]['p_id']){
                    $menu[$i]['menulist'][$j] = $menulist[$j];
                }
            }
        }
        $this->assign([
            'version' => config('version'),
            'socket' =>config('socket'),
            'menu' =>$menu,
        ]);
    }
}