8.8 增加业务异常处理，让提示更清晰

pay-mall-app/src/main/resources/application-dev.yml

@@ -14,7 +14,7 @@ app:
       notify-url: http://127.0.0.1:8092/api/v1/alipay/group_buy_notify
       notify-type: MQ
       source: s01
-      chanel: c01
+      channel: c01
   rpc:
     mode: DUBBO
 

pay-mall-domain/src/main/java/edu/whut/domain/auth/service/WeixinLoginService.java

@@ -26,6 +26,9 @@ public class WeixinLoginService implements ILoginService {
         return loginPort.createQrCodeTicket();
     }
 
+    /**
+     * 生成登录二维码的 ticket（带浏览器指纹）
+     */
     @Override
     public String createQrCodeTicket(String sceneStr) throws Exception {
         String ticket = loginPort.createQrCodeTicket(sceneStr);

pay-mall-domain/src/main/java/edu/whut/domain/order/service/AbstractOrderService.java

@@ -98,6 +98,7 @@ public abstract class AbstractOrderService implements IOrderService {
         }
 
         // ———— 以下为“全新下单”流程 ————
+        log.info("创建新订单...");
 
         // 2. 查询商品信息
         ProductEntity productEntity = port.queryProductByProductId(shopCartEntity.getProductId());

pay-mall-domain/src/main/java/edu/whut/domain/order/service/OrderService.java

@@ -46,6 +46,7 @@ public class OrderService extends AbstractOrderService{
 
     @Override
     protected MarketPayDiscountEntity lockMarketPayOrder(String userId, String teamId, Long activityId, String productId, String orderId) {
+        log.info("尝试开启/参与拼团，获取优惠，进行锁单");
         return port.lockMarketPayOrder(userId, teamId, activityId, productId, orderId);
     }
 

pay-mall-infrastructure/src/main/java/edu/whut/infrastructure/adapter/port/LoginPort.java

@@ -42,7 +42,7 @@ public class LoginPort implements ILoginPort {
      */
     @Override
     public String createQrCodeTicket(String sceneStr) throws IOException {
-        // 1. 获取 access_token，优先从缓存读取，缓存失效时调用微信接口获取并更新缓存
+        // 1. 获取 access_token身份凭证，后端才好调用微信接口；优先从缓存读取，缓存失效时调用微信接口获取并更新缓存
         String accessToken = weixinAccessToken.getIfPresent(appid);
         if (null == accessToken) {
             Call<WeixinTokenResponseDTO> call = weixinApiService.getToken("client_credential", appid, appSecret);

pay-mall-trigger/src/main/java/edu/whut/trigger/http/AliPayController.java

@@ -15,6 +15,7 @@ import edu.whut.domain.order.model.entity.ShopCartEntity;
 import edu.whut.domain.order.model.valobj.MarketTypeVO;
 import edu.whut.domain.order.service.IOrderService;
 import edu.whut.types.common.Constants;
+import edu.whut.types.exception.AppException;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
@@ -51,11 +52,12 @@ public class AliPayController implements IPayService {
     @Override
     public Response<String> createPayOrder(@RequestBody CreatePayRequestDTO createPayRequestDTO) {
         try {
-            log.info("商品下单，根据商品ID创建支付单开始 userId:{} productId:{}", createPayRequestDTO.getUserId(), createPayRequestDTO.getUserId());
+            log.info("商品下单，根据商品ID创建支付单开始 userId:{} productId:{}", createPayRequestDTO.getUserId(), createPayRequestDTO.getProductId());
             String userId = createPayRequestDTO.getUserId();
             String productId = createPayRequestDTO.getProductId();
             String teamId = createPayRequestDTO.getTeamId();
             Integer marketType = createPayRequestDTO.getMarketType();
+
             // 下单
             PayOrderEntity payOrderEntity = orderService.createOrder(ShopCartEntity.builder()
                     .userId(userId)
@@ -66,13 +68,24 @@ public class AliPayController implements IPayService {
                     .build());
 
             log.info("商品下单，根据商品ID创建支付单完成 userId:{} productId:{} orderId:{}", userId, productId, payOrderEntity.getOrderId());
+
             return Response.<String>builder()
                     .code(Constants.ResponseCode.SUCCESS.getCode())
                     .info(Constants.ResponseCode.SUCCESS.getInfo())
                     .data(payOrderEntity.getPayUrl())
                     .build();
+        } catch (AppException e) {
+            // 业务异常，返回业务错误信息
+            log.error("商品下单，发生业务异常 userId:{} productId:{} errorCode:{} errorInfo:{}",
+                    createPayRequestDTO.getUserId(), createPayRequestDTO.getProductId(), e.getCode(), e.getInfo());
+            return Response.<String>builder()
+                    .code(e.getCode())  // 使用业务异常中的 code
+                    .info(e.getInfo())  // 使用业务异常中的 info
+                    .build();
         } catch (Exception e) {
-            log.error("商品下单，根据商品ID创建支付单失败 userId:{} productId:{}", createPayRequestDTO.getUserId(), createPayRequestDTO.getProductId(), e);
+            // 通用异常，返回通用错误信息
+            log.error("商品下单，发生未知异常 userId:{} productId:{}", createPayRequestDTO.getUserId(), createPayRequestDTO.getProductId(), e);
+
             return Response.<String>builder()
                     .code(Constants.ResponseCode.UN_ERROR.getCode())
                     .info(Constants.ResponseCode.UN_ERROR.getInfo())
@@ -80,6 +93,7 @@ public class AliPayController implements IPayService {
         }
     }
 
+
     /**
      * 拼团完成（目标人数已达成）后的回调地址，由group_buy_market调用
      * 仅HTTP方式下触发，MQ方式下不会触发。