coupon-admin/app/model/Recharge.php

<?php

namespace app\model;

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

/**
 * 充值记录
 * Class Recharge
 * @package app\model
 */
class Recharge extends Base
{
    const state_off = 0;//未支付
    const state_on  = 1;//已支付

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

}