wanyue_app/app/model/SysMenu.php

<?php

namespace app\model;

use support\Model;

class SysMenu extends Model
{
    protected $table = 'sys_menu';

    protected $primaryKey = 'menu_id';

    protected $dateFormat = 'U';

    const CREATED_AT = 'menu_create_time';

    const UPDATED_AT = 'menu_update_time';

    /**
     * @Desc 获取父级
     * @Author Gorden
     * @Date 2024/3/12 14:13
     *
     * @param $pid
     * @return \Illuminate\Database\Eloquent\Builder|\Illuminate\Database\Eloquent\Model|object|null
     */
    public static function getParent($pid)
    {
        return self::where('menu_id',$pid)->first();
    }
}