Java微信支付-申请退款API

怼烎@ 2023-06-07 08:30 12阅读 0赞

> [接上一篇Java微信支付-统一下单API，本篇在上篇文章的基础上讲述微信支付-申请退款API][Java_-_API_-_API]  
> 下文中所需配置、类都在以请查看以上链接内容。

> 话不多说，直接上码

/**
     * 微信支付接口
     * 
     * @create: 2019-10-10 15:40
     * @author: Sun
     */
    public interface WxPayService {
        
    
        /**
         * 申请退款
         *
         * @param uid        用户id
         * @param orderNo    商户订单号
         * @param refundNo   商户退款单号
         * @param totalFee   订单金额
         * @param refundFee  退款金额
         * @param refundDesc 退款描述
         * @return return_code为SUCCESS的时候，将响应结果，存放到map中返回，否则throw WxPayException
         */
        Map<String, String> refund(String uid, String orderNo, String refundNo, String totalFee,
                                   String refundFee, String refundDesc) throws WxPayException;
    }

/**
     * @author: Sun
     * @create: 2019-10-10 17:54
     * @version: v1.0
     */
    @Service
    @Slf4j
    public class WxPayServiceImpl implements WxPayService {
        
    
    	@Autowired
        private MyWxPayConfig myWxPayConfig;
    
    	/**
         * 退款 异步通知地址
         */
        @Value("${wxconfig.refund.notify.url}")
        private String refundAsyncNotifyUrl;
    
    	
    	@Override
        public Map<String, String> refund(String uid, String orderNo, String refundNo,
                                          String totalFee, String refundFee, String refundDesc) throws WxPayException {
        
            log.info("[refund] [入参] [uid:{}] [orderNo:{}] [refundNo:{}] [totalFee:{}] [refundFee:{}] [refundDesc:{}] ", uid, orderNo, refundNo, totalFee, refundFee, refundDesc);
    
            WXPay wxPay = new WXPay(myWxPayConfig);
            Map<String, String> paramMap = new HashMap<>();
            paramMap.put("out_trade_no", orderNo);
            paramMap.put("out_refund_no", refundNo);
            paramMap.put("total_fee", totalFee);
            paramMap.put("refund_fee", refundFee);
            paramMap.put("refund_desc", refundDesc);
            paramMap.put("notify_url", refundAsyncNotifyUrl);
    
            Map<String, String> resultMap = null;
            try {
        
                resultMap = wxPay.refund(paramMap);
                log.info("[refund] [退款API响应参数] [uid:{}] [out_trade_no:{}] [resultMap:{}]", uid, orderNo, resultMap);
            } catch (Exception e) {
        
                log.error("[refund] [uid:{}] [out_trade_no:{}]  [调用微信SDK过程中出现异常:{}]", uid, orderNo, ExceptionUtils.getStackTrace(e));
                throw new WxPayException(4506, "调用退款API异常，请重新尝试!");
            }
    
            return resultMap;
        }
    }

[Java_-_API_-_API]: https://blog.csdn.net/qq_41693150/article/details/102503595