提交代码

open-api/src/main/java/com/api/controller/v1/TradeController.java

@@ -178,4 +178,47 @@ public class TradeController {
         }
     }
 
+    @RequestMapping(value="/queryRefund",method = RequestMethod.POST)
+    @ResponseBody
+    @ApiOperation(value = "查询退款")
+    public ResponseData queryRefund(@RequestBody RequestQueryRefundModel body) {
+        log.info("========= Start 查询退款 Start ===========");
+        log.info("请求参数：" + JSONObject.toJSONString(body));
+        try {
+            // 验证签名
+            if (!SignatureUtil.checkSign(body.getSign(), body, merKeyService.getKeyByMerNo(body.getMerchantNo()))) {
+                throw ErrorHelp.genException(SysCode.OpenApi, ErrorCode.OPEN_API_SIGN_ERR, "");
+            }
+            // 查询交易订单号
+            BsTradeOrderRefund refund = openApiTradeOrderService.getRefundByNo(body.getRefundTradeNo());
+            if (refund == null) {
+                throw ErrorHelp.genException(SysCode.OpenApi, ErrorCode.OPEN_API_COMMON, "未知的退款单号");
+            }
+            // 查询交易订单
+            BsTradeOrder tradeOrder = openApiTradeOrderService.getOrderByOutTradeNo(refund.getOutTradeNo());
+            if (tradeOrder == null) {
+                throw ErrorHelp.genException(SysCode.OpenApi, ErrorCode.OPEN_API_COMMON, "未知的交易订单");
+            }
+            ResponseRefundTradeModel refundTradeModel = new ResponseRefundTradeModel();
+            refundTradeModel.setMerchantNo(tradeOrder.getMerNo());
+            refundTradeModel.setOutTradeNo(tradeOrder.getOutTradeNo());
+            refundTradeModel.setPayMode(tradeOrder.getPayMode());
+            refundTradeModel.setRefundTradeNo(refund.getRefundNo());
+            refundTradeModel.setRefundAmount(refund.getRefundAmount().toString());
+            refundTradeModel.setRefundPayerAmount(refund.getPayerAmount().toString());
+            refundTradeModel.setRefundTime(refund.getRefundTime());
+            refundTradeModel.setSign(SignatureUtil.createSign(refundTradeModel, merKeyService.getKeyByMerNo(tradeOrder.getMerNo())));
+            log.info("返回参数：" + JSONObject.toJSONString(refundTradeModel));
+            return ResponseMsgUtil.success(refundTradeModel);
+
+        } catch (Exception e) {
+            log.info("出现异常：", e);
+            return ResponseMsgUtil.exception(e);
+        } finally {
+            log.info("========= END 查询退款 END ===========");
+        }
+    }
+
+
+
 }

service/src/main/java/com/hfkj/openapi/v1/model/RequestQueryRefundModel.java

@@ -0,0 +1,36 @@
+package com.hfkj.openapi.v1.model;
+
+import lombok.Data;
+import org.hibernate.validator.constraints.Length;
+
+import javax.validation.constraints.NotBlank;
+
+/**
+ * 请求查询交易模型
+ * @className: TradePreorderModel
+ * @author: HuRui
+ * @date: 2023/5/23
+ **/
+@Data
+public class RequestQueryRefundModel {
+
+    /**
+     * 商户号
+     */
+    @NotBlank(message = "商户号必填项")
+    private String merchantNo;
+
+    /**
+     * 退款单号
+     */
+    @Length(min = 6, max = 50, message = "退款单号长度限制6至50位字符串长度")
+    @NotBlank(message = "退款单号必填项")
+    private String refundTradeNo;
+
+    /**
+     * 签名参数
+     */
+    @NotBlank(message = "签名必填项")
+    private String sign;
+
+}

service/src/main/java/com/hfkj/openapi/v1/utils/SignatureUtil.java

@@ -80,11 +80,8 @@ public class SignatureUtil {
 
 	public static void main(String[] args) throws Exception {
 		String paramStr = "{\n" +
-				"    \"merchantNo\": \"2023030909414450700\",\n" +
-				"    \"outTradeNo\": \"ZF1130202305242035187441186606\",\n" +
-				"    \"refundAmount\": \"0.01\",\n" +
-				"    \"refundReason\": \"测试退款\",\n" +
-				"    \"refundTradeNo\": \"1170202305051137247442194606\"" +
+				"  \"merchantNo\": \"2023030909414450700\",\n" +
+				"  \"refundTradeNo\": \"1170202305051137247442194606\"" +
 				"}";
 		String sign = createSign(JSONObject.parseObject(paramStr), "LRL9uflTQGeyp9yVWDD6orhBp2VhYDvP");
 		System.out.println(sign);