reservation_admin/app/admin/model/AdminMenu.php

<?php
// +----------------------------------------------------------------------
// | Tplay [ WE ONLY DO WHAT IS NECESSARY ]
// +----------------------------------------------------------------------
// | Copyright (c) 2017 http://tplay.pengyichen.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: 听雨 < 389625819@qq.com >
// +----------------------------------------------------------------------


namespace app\admin\model;

use think\Model;

class AdminMenu extends Model
{
    public function menulist($cate, $id = 0, $level = 0)
    {
        static $cates = array();
        foreach ($cate as $value) {
            if ($value['pid'] == $id) {
                $value['level'] = $level + 1;
                $value['str'] = $level == 0 ? "" : str_repeat('&emsp;&emsp;', $level) . '└ ';
                $cates[] = $value;
                $this->menulist($cate, $value['id'], $value['level']);
            }
        }
        return $cates;
    }

    public function log()
    {
        return $this->hasOne('AdminLog');
    }
}