opkpm/app/common/enum/OrderGoodsEnum.php

<?php
namespace app\common\enum;

class OrderGoodsEnum
{
    //订单商品退款状态
    const REFUND_STATUS_NO = 0;//未申请退款
    const REFUND_STATUS_APPLY = 1;//申请退款
    const REFUND_STATUS_WAIT = 2;//等待退款
    const REFUND_STATUS_SUCCESS = 3;//退款成功
}