解决rabbitmq异步事务回滚，完善业务逻辑

work-modules/work-scenic/src/main/java/com/bwie/scenic/rabbitmq/RabbitMqConfig.java

@@ -1,13 +1,9 @@
 package com.bwie.scenic.rabbitmq;
 
-import com.alibaba.fastjson.JSONObject;
-import com.bwie.common.constants.TokenConstants;
 import com.bwie.common.domain.Order;
 import com.bwie.common.domain.Scenic;
-import com.bwie.common.domain.User;
+import com.bwie.common.exception.GlobalExceptionHandler;
-import com.bwie.common.utils.JwtUtils;
 import com.bwie.scenic.mapper.OrderMapper;
-import com.bwie.scenic.service.OrderService;
 import com.bwie.scenic.service.ScenicService;
 import com.rabbitmq.client.Channel;
 import lombok.extern.slf4j.Slf4j;
@@ -19,10 +15,7 @@ import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
-import javax.servlet.http.HttpServletRequest;
 import java.io.IOException;
-import java.math.BigDecimal;
-import java.util.concurrent.TimeUnit;
 
 import static com.bwie.scenic.service.impl.OrderServiceImpl.REFUND_QUEUE;
 
@@ -41,9 +34,6 @@ public class RabbitMqConfig {
     @Autowired
     private RedisTemplate<String, String> redisTemplate;
 
-    @Autowired
-    private HttpServletRequest request;
-
     @Autowired
     private OrderMapper orderMapper;
 
@@ -52,53 +42,39 @@ public class RabbitMqConfig {
 
     /**
      * 1.6 异步完成退票功能。消息保证不丢失不重复消费
+     *
      * @param orderId
      * @param message
      * @param channel
      */
     @Transactional
-    @RabbitListener(queuesToDeclare = { @Queue(name = REFUND_QUEUE)})
+    @RabbitListener(queuesToDeclare = {@Queue(name = REFUND_QUEUE)})
-    public void refund(Integer orderId, Message message, Channel channel){
+    public void refund(Integer orderId, Message message, Channel channel) throws GlobalExceptionHandler {
         String messageId = message.getMessageProperties().getMessageId();
         Long add = redisTemplate.opsForSet().add(messageId, REFUND_QUEUE);
-        log.info("消息队列:[{}],接受到信息:[{}],开始消费...",REFUND_QUEUE,orderId);
+        log.info("消息队列:【{}】,接受到信息:【{}】,开始消费...", REFUND_QUEUE, orderId);
         try {
-            if (add > 0){
+            if (add.intValue() > 0) {
-                // 获取用户信息
-                String token = request.getHeader(TokenConstants.TOKEN);
-                String userKey = JwtUtils.getUserKey(token);
-                String json = redisTemplate.opsForValue().get(TokenConstants.LOGIN_TOKEN_KEY + userKey);
-                User user = JSONObject.parseObject(json, User.class);
-
                 // 获取当前订单信息
                 Order order = orderMapper.findById(orderId);
 
-                // 1.6 钱款退回原路，扣除10%的手续费，退票成功
-                user.setBalance(user.getBalance().add(order.getTotalFares().multiply(new BigDecimal(0.9))));
-                orderMapper.updateUserBalance(user);
-                redisTemplate.opsForValue().set(TokenConstants.LOGIN_TOKEN_KEY + userKey, JSONObject.toJSONString(user),
-                        30, TimeUnit.MINUTES);
-
                 // 获取景区信息
                 Scenic scenic = scenicService.findById(order.getScenicId());
                 // 景区剩余票数+已退票数
                 scenic.setRemainingVotes(scenic.getRemainingVotes() + order.getVotes());
                 scenicService.updateRemainingVotes(scenic);
 
+                // 订单为已退票
+                order.setStatues(3);
+                orderMapper.updateOrder(order);
+
                 channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
-                log.info("消息队列:[{}],接受到信息:[{}],消费成功...",REFUND_QUEUE,orderId);
+                log.info("消息队列:【{}】,接受到信息:【{}】,消费成功...", REFUND_QUEUE, orderId);
-            }else {
+            } else {
-                log.info("消息队列:[{}],接受到信息:[{}],消费重复...",REFUND_QUEUE,orderId);
+                log.info("消息队列:【{}】,接受到信息:【{}】,消费重复...", REFUND_QUEUE, orderId);
             }
         } catch (IOException e) {
-            e.printStackTrace();
+            throw new GlobalExceptionHandler();
-            log.error("消息队列:[{}],接受到信息:[{}],消费异常,异常信息:[{}]...",REFUND_QUEUE,orderId,e.getMessage());
-            try {
-                channel.basicNack(message.getMessageProperties().getDeliveryTag(), false, true);
-                log.info("消息队列:[{}],接受到信息:[{}],消费退还...",REFUND_QUEUE,orderId);
-            } catch (IOException ex) {
-                e.printStackTrace();
-            }
         }
     }
 }

work-modules/work-scenic/src/main/java/com/bwie/scenic/service/impl/OrderServiceImpl.java

@@ -97,13 +97,6 @@ public class OrderServiceImpl implements OrderService {
     @Transactional
     @Override
     public void refund(Integer orderId) {
-        // 获取当前订单信息
-        Order order = orderMapper.findById(orderId);
-
-        // 订单为已退票
-        order.setStatues(3);
-        orderMapper.updateOrder(order);
-
         rabbitTemplate.convertAndSend(REFUND_QUEUE, orderId, new MessagePostProcessor() {
             @Override
             public Message postProcessMessage(Message message) throws AmqpException {
@@ -111,5 +104,20 @@ public class OrderServiceImpl implements OrderService {
                 return message;
             }
         });
+
+        // 获取用户信息
+        String token = request.getHeader(TokenConstants.TOKEN);
+        String userKey = JwtUtils.getUserKey(token);
+        String json = redisTemplate.opsForValue().get(TokenConstants.LOGIN_TOKEN_KEY + userKey);
+        User user = JSONObject.parseObject(json, User.class);
+
+        // 获取当前订单信息
+        Order order = orderMapper.findById(orderId);
+
+        // 1.6 钱款退回原路，扣除10%的手续费，退票成功
+        user.setBalance(user.getBalance().add(order.getTotalFares().multiply(new BigDecimal(0.9))));
+        orderMapper.updateUserBalance(user);
+        redisTemplate.opsForValue().set(TokenConstants.LOGIN_TOKEN_KEY + userKey, JSONObject.toJSONString(user),
+                30, TimeUnit.MINUTES);
     }
 }