退款

pom.xml

@@ -36,7 +36,11 @@
             <groupId>org.springframework.cloud</groupId>
             <artifactId>spring-cloud-starter-openfeign</artifactId>
         </dependency>
-
+        <dependency>
+            <groupId>com.github.wechatpay-apiv3</groupId>
+            <artifactId>wechatpay-java</artifactId>
+            <version>0.2.11</version>
+        </dependency>
 
         <dependency>
             <groupId>junit</groupId>

src/main/java/com/yxt/pay/api/refund/Refund.java

@@ -0,0 +1,8 @@
+package com.yxt.pay.api.refund;
+
+/**
+ * @author wangpengfei
+ * @date 2024/3/25 15:03
+ */
+public class Refund {
+}

src/main/java/com/yxt/pay/api/refund/RefundOrder.java

@@ -0,0 +1,43 @@
+package com.yxt.pay.api.refund;
+
+import com.yxt.common.base.utils.StringRandom;
+import com.yxt.common.core.domain.BaseEntity;
+import lombok.Data;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+/**
+ * @author wangpengfei
+ * @date 2024/3/28 9:47
+ */
+@Data
+public class RefundOrder extends BaseEntity {
+    private String outTradeNo;//订单编号
+    private int source;//来源 0云菜窖
+    private String name;//商品名
+    private String amount;//金额
+    private String openId;//
+    private String returnUrl;//业务回调
+    private String orderSid;//支付订单sid
+    private String reason;//退款原因
+
+
+    public String getTime() {
+        SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmmss");
+        return format.format(new Date());
+    }
+
+    public RefundOrder(int source) {
+        String Randomstr = StringRandom.getRandomString(15);
+        if (source == 0) {//云菜窖
+            outTradeNo = "YCJ" + getTime() + Randomstr;
+
+        } else if (source == 1) {
+
+        } else if (source == 2) {
+
+        }
+        this.source = source;
+    }
+}

src/main/java/com/yxt/pay/api/refund/RefundOrderDto.java

@@ -0,0 +1,20 @@
+package com.yxt.pay.api.refund;
+
+import lombok.Data;
+
+/**
+ * @author wangpengfei
+ * @date 2024/3/28 9:57
+ */
+@Data
+public class RefundOrderDto {
+    private String outTradeNo;//订单编号
+    private int source;//来源 0云菜窖
+    private String name;//商品名
+    private String amount;//金额
+    private String openId;//
+    private String returnUrl;//业务回调
+    private String orderSid;//支付订单sid
+    private String reason;//退款原因
+    private String state;//1退款申请 2退款通过
+}

src/main/java/com/yxt/pay/api/refund/RefundOrderVo.java

@@ -0,0 +1,19 @@
+package com.yxt.pay.api.refund;
+
+import lombok.Data;
+
+/**
+ * @author wangpengfei
+ * @date 2024/3/28 9:57
+ */
+@Data
+public class RefundOrderVo {
+    private String outTradeNo;//订单编号
+    private String source;//来源 0云菜窖
+    private String name;//商品名
+    private String amount;//金额
+    private String openId;//
+    private String returnUrl;//业务回调
+    private String orderSid;//支付订单sid
+    private String reason;//退款原因
+}

src/main/java/com/yxt/pay/api/refund/WXRefundOrderReqVo.java

@@ -0,0 +1,53 @@
+package com.yxt.pay.api.refund;
+
+import lombok.Data;
+
+/**
+ * @author wangpengfei
+ * @date 2024/3/25 15:49
+ */
+@Data
+public class WXRefundOrderReqVo {
+    /**
+     * 微信支付订单号，微信支付订单号和商家订单号二选一
+     */
+//    @Schema(description = "微信支付订单号")
+    private String transactionId;
+
+    /**
+     * 商家订单号，对应 out_trade_no，
+     */
+//    @Schema(description = "商家订单号")
+    private String orderId;
+
+    /**
+     * 商户退款单号，对应out_refund_no
+     */
+//    @Schema(description = "商户退款单号")
+    private String outRefundNo;
+
+    /**
+     * 退款原因，选填
+     */
+//    @Schema(description = "退款原因")
+    private String reason;
+
+    /**
+     * 回调地址
+     */
+//    @Schema(description = "回调地址")
+    private String notify;
+
+    /**
+     * 退款金额
+     */
+//    @Schema(description = "退款金额")
+    private Integer refundMoney;
+
+    /**
+     * 原订单金额，必填
+     */
+//    @Schema(description = "原订单金额")
+    private Integer totalMoney;
+
+}

src/main/java/com/yxt/pay/api/refund/WXRefundOrderRespVo.java

@@ -0,0 +1,71 @@
+package com.yxt.pay.api.refund;
+
+import lombok.Data;
+
+/**
+ * @author wangpengfei
+ * @date 2024/3/25 15:51
+ */
+@Data
+public class WXRefundOrderRespVo {
+    /**
+     * 微信支付退款号
+     */
+//    @Schema(description = "微信支付退款号")
+    private String refundId;
+
+    /**
+     * 商户退款单号
+     */
+//    @Schema(description = "商户退款单号")
+    private String outRefundNo;
+
+    /**
+     * 微信支付订单号
+     */
+//    @Schema(description = "微信支付订单号")
+    private String transactionId;
+
+    /**
+     * 商户订单号
+     */
+//    @Schema(description = "商户订单号")
+    private String outTradeNo;
+
+    /**
+     * 退款渠道
+     */
+//    @Schema(description = "退款渠道")
+    private String channel;
+
+    /**
+     * 退款入账账户
+     */
+//    @Schema(description = "退款入账账户")
+    private String userReceivedAccount;
+
+    /**
+     * 退款成功时间
+     */
+//    @Schema(description = "退款成功时间")
+    private String successTime;
+
+    /**
+     * 退款创建时间
+     */
+//    @Schema(description = "退款创建时间")
+    private String createTime;
+
+    /**
+     * 退款状态
+     */
+//    @Schema(description = "退款状态")
+    private String status;
+
+    /**
+     * 资金账户
+     */
+//    @Schema(description = "资金账户")
+    private String fundsAccount;
+
+}

src/main/java/com/yxt/pay/biz/refund/WxRefundMapper.java

@@ -0,0 +1,13 @@
+package com.yxt.pay.biz.refund;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.yxt.pay.api.refund.RefundOrder;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * @author wangpengfei
+ * @date 2024/3/25 15:02
+ */
+@Mapper
+public interface WxRefundMapper extends BaseMapper<RefundOrder> {
+}

src/main/java/com/yxt/pay/biz/refund/WxRefundMapper.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.yxt.pay.biz.refund.WxRefundMapper">
+    <select id="selectBySn" resultType="com.yxt.pay.api.refund.Refund">
+        select *
+        from pay_order
+        where outTradeNo = #{out_trade_no}
+    </select>
+
+    <select id="selectOrderList" resultType="com.yxt.pay.api.refund.Refund">
+        select *
+        from pay_order
+        where state = 1
+    </select>
+</mapper>

src/main/java/com/yxt/pay/biz/refund/WxRefundRest.java

@@ -0,0 +1,49 @@
+package com.yxt.pay.biz.refund;
+
+import com.yxt.common.core.domain.BaseEntity;
+import com.yxt.common.core.result.ResultBean;
+import com.yxt.pay.api.refund.RefundOrder;
+import com.yxt.pay.api.refund.RefundOrderDto;
+import com.yxt.pay.api.refund.WXRefundOrderReqVo;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import javax.servlet.http.HttpServletRequest;
+
+/**
+ * @author wangpengfei
+ * @date 2024/3/25 15:02
+ */
+@RestController
+@RequestMapping("refund")
+public class WxRefundRest {
+    @Autowired
+    WxRefundService refundService;
+
+
+
+    @PostMapping("/createRefundOrder" )
+    public ResultBean createRefundOrder(@RequestBody RefundOrderDto refundOrderDto) {
+        return refundService.createRefundOrder(refundOrderDto);
+    }
+
+
+
+    @PostMapping("/reviewRefund" )
+    public ResultBean reviewRefundById(@RequestParam String orderSid) throws Exception {
+        return refundService.refund(orderSid);
+    }
+    /**
+     * 微信退款回调
+     * @return R
+     */
+//    @Operation(summary = "微信退款回调" , description = "微信退款回调" )
+//    @SysLog("微信退款回调" )
+    @PostMapping("/payNotify")
+    public ResultBean refundPayNotify(HttpServletRequest request) throws Exception {
+        ResultBean rb=new ResultBean();
+        refundService.refundNotify(request);//注意：回调接口需要暴露到公网上，且要放开token验证
+        return rb.success();
+    }
+
+}

src/main/java/com/yxt/pay/biz/refund/WxRefundService.java

@@ -0,0 +1,365 @@
+package com.yxt.pay.biz.refund;
+import cn.hutool.core.bean.BeanUtil;
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.wechat.pay.java.core.Config;
+import com.wechat.pay.java.core.RSAAutoCertificateConfig;
+import com.wechat.pay.java.core.exception.ServiceException;
+import com.wechat.pay.java.core.notification.NotificationConfig;
+import com.wechat.pay.java.core.notification.NotificationParser;
+import com.wechat.pay.java.core.notification.RequestParam;
+import com.wechat.pay.java.service.partnerpayments.app.model.Transaction;
+import com.wechat.pay.java.service.refund.RefundService;
+import com.wechat.pay.java.service.refund.model.*;
+import com.yxt.common.base.service.MybatisBaseService;
+import com.yxt.common.core.result.ResultBean;
+import com.yxt.pay.api.order.PayOrder;
+import com.yxt.pay.api.refund.RefundOrder;
+import com.yxt.pay.api.refund.RefundOrderDto;
+import com.yxt.pay.api.refund.WXRefundOrderReqVo;
+import com.yxt.pay.api.refund.WXRefundOrderRespVo;
+import com.yxt.pay.api.wxpay.WxPayVo;
+import com.yxt.pay.biz.order.OrderService;
+import com.yxt.pay.utils.UrlComponent;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+import javax.servlet.ServletInputStream;
+import javax.servlet.http.HttpServletRequest;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.util.HashMap;
+import java.util.Map;
+
+import static com.wechat.pay.java.core.http.Constant.*;
+
+/**
+ * @author wangpengfei
+ * @date 2024/3/25 15:02
+ */
+@Service
+@Slf4j
+public class WxRefundService extends MybatisBaseService<WxRefundMapper,RefundOrder> {
+
+    @Autowired
+    private UrlComponent urlComponent;
+    @Autowired
+    private OrderService orderService;
+    @Value("${wx.api-key}")
+    String apiKey;
+    @Value("${wx.mch-serial-no}")
+    String mchSerialNo;
+    @Value("${wx.key-path}")
+    String keyPath;
+    @Value("${wx.mch-id}")
+    String mchId;
+
+    public static int source;
+
+
+
+    public ResultBean createRefundOrder(RefundOrderDto refundOrderDto){
+        ResultBean rb=new ResultBean();
+        RefundOrder refundOrder=new RefundOrder(refundOrderDto.getSource());
+        BeanUtil.copyProperties(refundOrderDto,refundOrder,"id","sid");
+        baseMapper.insert(refundOrder);
+        return rb.success().setData(refundOrder);
+
+    }
+    /**
+     * 功能描述:
+     * 〈微信退款〉
+     * @Param: [req]
+     * @Return: [void]
+     * @Author: whl
+     * @Date: 2023/10/12 15:46
+     */
+    public ResultBean refund(String orderSid) throws Exception {
+        ResultBean rb = ResultBean.fireFail();
+        try {
+            PayOrder payOrder=orderService.getOne(new QueryWrapper<PayOrder>().eq("sid",orderSid));
+            WxPayVo wxPayVo=new WxPayVo(payOrder.getSource());
+            source=payOrder.getSource();
+            // 使用自动更新平台证书的RSA配置
+            // 一个商户号只能初始化一个配置，否则会因为重复的下载任务报错
+            Config config =
+                    new RSAAutoCertificateConfig.Builder()
+                            .merchantId(mchId)
+                            //使用 SDK 不需要计算请求签名和验证应答签名
+                            // 使用 com.wechat.pay.java.core.util 中的函数从本地文件中加载商户私钥，商户私钥会用来生成请求的签名
+                            .privateKeyFromPath(keyPath)
+                            .merchantSerialNumber(mchSerialNo)
+                            .apiV3Key(apiKey)
+                            .build();
+            // 构建退款service
+            RefundService service = new RefundService.Builder().config(config).build();
+            // request.setXxx(val)设置所需参数，具体参数可见Request定义
+            //构建退款请求
+            CreateRequest request = new CreateRequest();
+            //构建订单金额信息
+            AmountReq amountReq = new AmountReq();
+//            PayOrder payOrder=orderService.getOne(new QueryWrapper<PayOrder>().eq("sid",orderSid));
+            RefundOrder refundOrder=baseMapper.selectOne(new QueryWrapper<RefundOrder>().eq("orderSid",payOrder.getSid()));
+            //退款金额
+            amountReq.setRefund(Long.valueOf(payOrder.getTotalTee()));
+//            amountReq.setRefund(Long.valueOf("1"));
+            //原订单金额
+            amountReq.setTotal(Long.valueOf(payOrder.getTotalTee()));
+//            amountReq.setTotal(Long.valueOf("1"));
+            //货币类型(默认人民币)
+            amountReq.setCurrency("CNY");
+            request.setAmount(amountReq);
+            //商户退款单号
+            request.setOutRefundNo(String.valueOf(payOrder.getOutTradeNo()));
+//            request.setOutRefundNo(String.valueOf("ceshi"));
+            request.setOutTradeNo(refundOrder.getOutTradeNo());
+//            request.setOutTradeNo("ceshi");
+            request.setReason(refundOrder.getReason());
+//            request.setReason("ceshi");
+            //退款通知回调地址
+//            request.setNotifyUrl(wxPayV3Bean.getRefundNotifyUrl());
+            request.setNotifyUrl(urlComponent.getDoMainUrl() + "order/payNotify");
+            // 调用退款方法，得到应答
+            // 调用微信sdk接口
+            Refund refund = service.create(request);
+            //接收退款返回参数
+            Refund refundResponse = new Refund();
+            refundResponse.setStatus(refund.getStatus());
+            System.out.println(refund);;
+            if (refundResponse.getStatus().equals(Status.SUCCESS)){
+                //说明退款成功，开始接下来的业务操作
+//                WXRefundOrderRespVo refundOrderRespVO = new WXRefundOrderRespVo();
+                //你的业务代码
+                return rb.success().setData(refund);
+            }else{
+
+                return rb.setMsg("申请退款失败").setData(refund);
+            }
+        }catch (Exception e){
+            e.printStackTrace();
+            return rb.setMsg("退款失败,error=" + e.getMessage());
+//            throw new ResultException(ResultEnum.ERROR,e.toString());
+        }
+    }
+
+    /**
+     * 功能描述:
+     * 〈微信退款回调〉
+     * @Param: [request, response]
+     * @Return: [void]
+     * @Author: whl
+     * @Date: 2023/10/13 10:46
+     */
+    public void refundNotify(HttpServletRequest request) throws Exception {
+        try {
+            WxPayVo wxPayVo=new WxPayVo(0);
+            //读取请求体的信息
+            ServletInputStream inputStream = request.getInputStream();
+            StringBuffer stringBuffer = new StringBuffer();
+            BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream));
+            String s;
+            //读取回调请求体
+            while ((s = bufferedReader.readLine()) != null) {
+                stringBuffer.append(s);
+            }
+            String s1 = stringBuffer.toString();
+            String timestamp = request.getHeader(WECHAT_PAY_TIMESTAMP);
+            String nonce = request.getHeader(WECHAT_PAY_NONCE);
+            String signType = request.getHeader("Wechatpay-Signature-Type");
+            String serialNo = request.getHeader(WECHAT_PAY_SERIAL);
+            String signature = request.getHeader(WECHAT_PAY_SIGNATURE);
+            // 如果已经初始化了 RSAAutoCertificateConfig，可直接使用
+            // 没有的话，则构造一个
+//            log.error(JSON.toJSONString(wxPayV3Bean));
+            NotificationConfig config = new RSAAutoCertificateConfig.Builder()
+                    .merchantId(mchId)
+                    .privateKeyFromPath(keyPath)
+                    .merchantSerialNumber(mchSerialNo)
+                    .apiV3Key(apiKey)
+                    .build();
+            // 初始化 NotificationParser
+            NotificationParser parser = new NotificationParser(config);
+            RequestParam requestParam=new RequestParam.Builder()
+                    .serialNumber(serialNo)
+                    .nonce(nonce)
+                    .signature(signature)
+                    .timestamp(timestamp)
+                    // 若未设置signType，默认值为 WECHATPAY2-SHA256-RSA2048
+                    .signType(signType)
+                    .body(s1)
+                    .build();
+            RefundNotification parse = parser.parse(requestParam, RefundNotification.class);
+            System.out.println("退款回调结果： " + parse);
+            //parse.getRefundStatus().equals("SUCCESS");说明退款成功
+            if (parse.getRefundStatus().equals(Transaction.TradeStateEnum.SUCCESS)){
+                //你的业务代码
+
+            }else{
+
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+
+
+
+//    //url 微信退款请求地址 data 请求参数
+//    public static String doRefund(String url, String data) throws Exception {
+//
+//        KeyStore keyStore = KeyStore.getInstance("PKCS12");
+//        // 指定证书路径
+//        String path = "/cert/apiclient_cert.p12";
+//        ClassPathResource classPathResource = new ClassPathResource(path);
+//
+//        //读取项目存放的PKCS12证书文件
+//        InputStream stream = classPathResource.getInputStream();
+//        String mchId = "自己的商户id";
+//        try {
+//            //指定PKCS12的初始密码为商户ID
+//            keyStore.load(stream, mchId.toCharArray());
+//        } finally {
+//            stream.close();
+//        }
+//        SSLContext sslcontext = SSLContexts.custom().loadKeyMaterial(keyStore, mchId.toCharArray()).build();
+//        //指定TLS版本
+//        SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory( sslcontext,new String[] { "TLSv1"},null,SSLConnectionSocketFactory.BROWSER_COMPATIBLE_HOSTNAME_VERIFIER);
+//        //设置httpclient的SSLSocketFactory
+//        CloseableHttpClient httpclient = HttpClients.custom().setSSLSocketFactory(sslsf).build();
+//        try {
+//            HttpPost httpost = new HttpPost(url); // 设置响应头信息
+//            httpost.addHeader("Connection", "keep-alive");
+//            httpost.addHeader("Accept", "*/*");
+//            httpost.addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
+//            httpost.addHeader("Host", "api.mch.weixin.qq.com");
+//            httpost.addHeader("X-Requested-With", "XMLHttpRequest");
+//            httpost.addHeader("Cache-Control", "max-age=0");
+//            httpost.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0) ");
+//            httpost.setEntity(new StringEntity(data, "UTF-8"));
+//            CloseableHttpResponse response = httpclient.execute(httpost);
+//            try {
+//                HttpEntity entity = response.getEntity();
+//                String jsonStr = EntityUtils.toString(response.getEntity(), "UTF-8");
+//                EntityUtils.consume(entity);
+//                return jsonStr;
+//            } finally {
+//                response.close();
+//            }
+//        } finally {
+//            httpclient.close();
+//        }
+//    }
+//    /**
+//     * 退款
+//     * @param orderPrice 订单金额（分）
+//     * @param refundPrice 退款金额（分）
+//     * @param refundMark 退款备注
+//     * @param out_trade_no 退款商家订单号
+//     * @return
+//     * @throws Exception
+//     */
+//    public static String refund(Integer orderPrice,Integer refundPrice,String refundMark,String out_trade_no) throws Exception {
+//        Map<String, String> params = new HashMap<>();
+//
+//        String outRefundNo = GenerateNum.getInstance().GenerateOrder();//可以自定义一个类来随机生成退款单号等等
+//
+//        params.put("appid", "小程序Appid");
+//        params.put("mch_id", "商户号");
+//        //商户订单号
+//        params.put("out_trade_no", out_trade_no);
+//        //商户退款单号
+//        params.put("out_refund_no", outRefundNo);
+//        //总金额
+//        params.put("total_fee", String.valueOf(orderPrice));
+//        //退款金额
+//        params.put("refund_fee", String.valueOf(refundPrice));
+//        //退款原因
+//        params.put("refund_desc", refundMark);
+//        //退款结果回调地址
+//        params.put("notify_url", "回调域名");
+//        //随机字符串
+//        params.put("nonce_str", WXPayUtil.generateNonceStr());//使用微信随机字符串生成
+//        //生成sign
+//        String sign = WXPayUtil.generateSignature(params, "自己的商户密钥");
+//        params.put("sign", sign);
+//        //微信申请退款接口
+//        String wx_refund_url = "https://api.mch.weixin.qq.com/secapi/pay/refund";
+//
+//        String xmlStr = WXPayUtil.mapToXml(params);//转换成xml格式
+//        System.out.println(xmlStr);
+//        //发送双向证书请求给微信
+//        String resultXmlStr = doRefund(wx_refund_url, xmlStr);
+//        System.out.println(resultXmlStr);
+//        // 将返回的字符串转成Map集合
+//        Map<String, String> resultMap = WXPayUtil.xmlToMap(resultXmlStr);//转成map格式
+//
+//        Map<String, String> map = new HashMap<>();
+//        if ("SUCCESS".equalsIgnoreCase(resultMap.get("result_code"))) {
+//            System.out.println("------申请退款成功，正在退款中----");
+//            //申请微信退款接口返回success，但是退款到账还需要时间；
+//            map.put("success", "REFUNDS");
+//            return "1";
+//        } else {
+//            map.put("success", resultMap.get("err_code_des"));
+//            System.out.println("-------------退款失败-------------------" + resultMap.get("err_code_des"));
+//            return "2";
+//        }
+//    }
+//    /*
+//     * 退款订单结果查询
+//     * 生成签名的xml
+//     * @return
+//     * */
+//    public static String  selRefundOrder(String out_trade_no) {
+//        // 封装需要的信息
+//        Map<String, String> payMap = new HashMap<String, String>();
+//        String nonceStr = WXPayUtil.generateNonceStr();
+//        try {
+//            // 1. 拼接下单地址参数
+//            Map<String, String> param = new HashMap<String, String>();
+//            param.put("appid", "小程序appid");
+//            param.put("mch_id", "商户id");
+//            param.put("out_trade_no", out_trade_no);  // 随机字符串
+//            param.put("nonce_str", nonceStr); // 账单类型
+//            param.put("sign_type", "MD5"); // 签名类型
+//            // 生成签名,官方默认MD5+商户秘钥+参数信息
+//            String sign = WXPayUtil.generateSignature(param, "商户密钥");
+//            param.put("sign", sign);
+//            // 将所有参数转换为xml形式
+//            String xmlParam = WXPayUtil.mapToXml(param);
+//
+//            // 2. 发送请求
+//            HttpClient1 httpClient1 = new HttpClient1("https://api.mch.weixin.qq.com/pay/refundquery");
+//            httpClient1.setHttps(true);// https协议
+//            httpClient1.setXmlParam(xmlParam);
+//            httpClient1.post();
+//            // 获取结果
+//            String xmlResult = httpClient1.getContent();
+//            System.out.println(xmlResult);
+//            if (xmlResult.indexOf("SUCCESS") != -1) {  // 只要执行了下单接口,都会包含SUCCESS的
+//                Map<String, String> map = WXPayUtil.xmlToMap(xmlResult);
+//                if (map.get("refund_fee").equals(map.get("total_fee"))){
+//                    System.out.println(out_trade_no+"退款"+map.get("refund_fee")+"成功到"+map.get("refund_recv_accout_0"));
+//                    return "1";
+//                }else {
+//                    System.out.println(out_trade_no+"退款"+map.get("refund_fee")+"部分到"+map.get("refund_recv_accout_0"));
+//                    return "2";
+//                }
+//
+//            }else {
+//                System.out.println(out_trade_no+"退款失败，不存在");
+//                return "3";
+//            }
+//
+//        } catch (Exception e) {
+//            e.printStackTrace();
+//            payMap.put("msg", out_trade_no+"签名生成错误");
+//            return "签名失败";
+//        }
+//    }
+
+}

src/main/resources/cert/apiclient_cert.pem

@@ -0,0 +1,25 @@
+-----BEGIN CERTIFICATE-----
+MIIEMTCCAxmgAwIBAgIUdOW9WmRaHsToJigg4eKlKS20i50wDQYJKoZIhvcNAQEL
+BQAwXjELMAkGA1UEBhMCQ04xEzARBgNVBAoTClRlbnBheS5jb20xHTAbBgNVBAsT
+FFRlbnBheS5jb20gQ0EgQ2VudGVyMRswGQYDVQQDExJUZW5wYXkuY29tIFJvb3Qg
+Q0EwHhcNMjQwMzI2MDI1OTA0WhcNMjkwMzI1MDI1OTA0WjCBijETMBEGA1UEAwwK
+MTY2NDg4Mjc2NTEbMBkGA1UECgwS5b6u5L+h5ZWG5oi357O757ufMTYwNAYDVQQL
+DC3lrofkv6HpgJrliJvmlrDmioDmnK/vvIjmsrPljJfvvInmnInpmZDlhazlj7gx
+CzAJBgNVBAYTAkNOMREwDwYDVQQHDAhTaGVuWmhlbjCCASIwDQYJKoZIhvcNAQEB
+BQADggEPADCCAQoCggEBANVl55NDuqDEvx/zQdaCn4WKUC8wLUVEYWKLMlChSZer
+VQuQpRlC2lKDW03hKB6cAYH+jQg/pmBQnWbIjiBggyA41EUrCY2ps+CWI77fIAVk
+wPxKz1/gk4xoYKbKvnDsSW6A0yWBvma4ZVLt3O2JTEPVo9xaM6/+oWCs4An654rx
+ZBwnxb7mzVCXWJeTldWLtjwjby0Y6fvR7wrj2QhSPocz171bQhi1fF8JuQPWyIp/
+XkRRbVWjVIsEv/re80mhTH16ktJf6MhCtEM5l15+GWP8rjIDP2qqhn1m0nIRPTVy
+Ut9SZS/bBCm9/Cywtw+C238mvjmItEH+uhK66L6PLzkCAwEAAaOBuTCBtjAJBgNV
+HRMEAjAAMAsGA1UdDwQEAwID+DCBmwYDVR0fBIGTMIGQMIGNoIGKoIGHhoGEaHR0
+cDovL2V2Y2EuaXRydXMuY29tLmNuL3B1YmxpYy9pdHJ1c2NybD9DQT0xQkQ0MjIw
+RTUwREJDMDRCMDZBRDM5NzU0OTg0NkMwMUMzRThFQkQyJnNnPUhBQ0M0NzFCNjU0
+MjJFMTJCMjdBOUQzM0E4N0FEMUNERjU5MjZFMTQwMzcxMA0GCSqGSIb3DQEBCwUA
+A4IBAQAgxASDSwdZ8aIVMKha7LJQu3UTGtseO+q8VvfQMmBCN+eB20b+NOLHvfTi
+ijEl+x7UBFk7kCbKWPlxL6Osqe8npIxWbLolZfqxi1d+UzokmpkjXYyKtsZnWDPZ
+B6Y1Bc/J7khma7GzuEa/d29Z+si+eeiyNHdZUwZUZi/PFwO61KbGP2r11AuXa6W5
+ZYgQBw5sSfOxceoYBCIKTUO79hAOisSuGxP7yFqSalGYd85XG6t5UH5p224VHxVs
+Dm+BoD1+w2jtBcAcdwrc3FGvR1mac1pd/LwMSYwfmDTHACWvCV88uN9TNvfbelHy
+9f+Y8m563NzVPeWCD2sMqOJs6Ug5
+-----END CERTIFICATE-----

src/main/resources/cert/apiclient_key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----