no message

src/main/java/com/sczx/pay/controller/PaymentController.java

@@ -3,6 +3,7 @@ package com.sczx.pay.controller;
 import com.sczx.pay.dto.PaymentRequest;
 import com.sczx.pay.dto.PaymentResponse;
 import com.sczx.pay.dto.RefundRequest;
+import com.sczx.pay.mapper.CompanyWechatConfigMapper;
 import com.sczx.pay.service.WechatPayService;
 import com.sczx.pay.utils.WXPayUtil;
 import org.slf4j.Logger;
@@ -27,6 +28,9 @@ public class PaymentController {
     @Autowired
     private WechatPayService wechatPayService;
 
+    @Autowired
+    private CompanyWechatConfigMapper companyWechatConfigMapper;
+
     /**
      * 小程序统一下单接口
      */
@@ -165,7 +169,59 @@ public class PaymentController {
             return buildResponse("FAIL", "处理异常");
         }
     }
+    @PostMapping("/refundNotify")
+    public String refundNotify(@PathVariable HttpServletRequest request) {
 
+        try {
+            // 读取微信退款回调数据
+            StringBuilder sb = new StringBuilder();
+            BufferedReader reader = request.getReader();
+            String line;
+            while ((line = reader.readLine()) != null) {
+                sb.append(line);
+            }
+
+            String xmlData = sb.toString();
+            logger.info("收到微信退款通知, 数据: {}", xmlData);
+
+            // 解析XML数据
+            Map<String, String> notifyMap = WXPayUtil.xmlToMap(xmlData);
+
+            Long companyId = companyWechatConfigMapper.getCompanyIdByMchId(notifyMap.get("mch_id"));
+
+            // 验证签名
+            if (!wechatPayService.verifyNotifySign(companyId, notifyMap)) {
+                logger.warn("微信退款通知签名验证失败，公司ID: {}", companyId);
+                return buildResponse("FAIL", "签名失败");
+            }
+
+            String returnCode = notifyMap.get("return_code");
+            if (!"SUCCESS".equals(returnCode)) {
+                logger.warn("微信退款通知返回失败，公司ID: {}: {}", companyId, notifyMap.get("return_msg"));
+                return buildResponse("FAIL", "返回失败");
+            }
+
+            // 处理退款通知的业务逻辑
+            String outRefundNo = notifyMap.get("out_refund_no");
+            String refundId = notifyMap.get("refund_id");
+            String refundStatus = notifyMap.get("refund_status");
+
+            // 更新数据库中的退款状态
+            boolean success = wechatPayService.processRefundNotify(companyId, notifyMap);
+            if (success) {
+                logger.info("退款处理完成，公司ID: {}, 退款单号: {}, 微信退款单号: {}, 状态: {}",
+                        companyId, outRefundNo, refundId, refundStatus);
+                return buildResponse("SUCCESS", "OK");
+            } else {
+                logger.error("更新退款状态失败，公司ID: {}, 退款单号: {}", companyId, outRefundNo);
+                return buildResponse("FAIL", "更新退款状态失败");
+            }
+
+        } catch (Exception e) {
+            logger.error("处理微信退款通知异常", e);
+            return buildResponse("FAIL", "处理异常");
+        }
+    }
     private String buildResponse(String returnCode, String returnMsg) {
         Map<String, String> response = new HashMap<>();
         response.put("return_code", returnCode);