<?php

namespace app\model;

use think\Collection;
use think\db\exception\DataNotFoundException;
use think\db\exception\DbException;
use think\db\exception\ModelNotFoundException;

/**
 * 优惠券主表
 * Class CouponMain
 * @package app\model
 */
class CouponMain extends Base
{
        const status_on     = 0;//进行中
        const status_off    = 1;//停止
        const on_shelf_on   = 0;//上架状态
        const on_shelf_off  = 1;//下架状态

    public function business()
    {
        return $this->hasOne(Business::class, 'code',"business_code");
    }
}