yuan/application/common/model/MeetingOrder.php

<?php

namespace app\common\model;

use think\Cache;
use think\Model;

/**
 * 会议室订单模型
 */
class MeetingOrder extends Model
{
    protected $name = 'meeting_order';

    public function meeting()
    {
        return $this->belongsTo('MeetingModel','m_id','id');
    }
}