增加 RocketMQ 组件

支付成功后，回调通知业务线订单支付成功的逻辑，简单完成。后续，需要封装下，对不同业务线的回调。以及，http 回调的实现。

pay/pay-application/src/main/java/cn/iocoder/mall/pay/application/controller/users/PayDemoController.java

@@ -9,6 +9,7 @@ import com.alibaba.dubbo.config.annotation.Reference;
 import org.springframework.util.Assert;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import javax.servlet.http.HttpServletRequest;
@@ -25,7 +26,8 @@ public class PayDemoController {
     private PayTransactionService payTransactionService;
 
     @PostMapping("/create_order")
-    public void createOrder(HttpServletRequest request) {
+    public void createOrder(HttpServletRequest request,
+                            @RequestParam("orderId") String orderId) {
         // 创建业务订单
         // ...
 
@@ -33,7 +35,7 @@ public class PayDemoController {
         PayTransactionCreateDTO payTransactionCreateDTO = new PayTransactionCreateDTO()
                 .setAppId("POd4RC6a")
                 .setCreateIp(HttpUtil.getIp(request))
-                .setOrderId("1")
+                .setOrderId(orderId)
                 .setOrderSubject("商品名" )
                 .setOrderDescription("商品描述")
                 .setOrderMemo("商品备注")

pay/pay-application/src/main/java/cn/iocoder/mall/pay/application/controller/users/PayTransactionController.java

@@ -52,8 +52,8 @@ public class PayTransactionController {
 //        JSONObject bodyObj = JSON.parseObject(sb.toString());
 //        bodyObj.put("webhookId", bodyObj.remove("id"));
 //        String body = bodyObj.toString();
-        payService.updateTransactionPaySuccess(PayChannelEnum.PINGXX.getId(), sb.toString());
-        return "";
+        CommonResult<Boolean> result = payService.updateTransactionPaySuccess(PayChannelEnum.PINGXX.getId(), sb.toString());
+        return result.isSuccess() ? "success" : "failure";
     }
 
 }