Spring Boot整合RocketMQ

1. pom.xml导入RocketMQ依赖

   <dependency>
       <groupId>org.apache.rocketmq</groupId>
       <artifactId>rocketmq-spring-boot-starter</artifactId>
       <version>2.2.2</version>
   </dependency>

2. application.yml中添加配置

   rocketmq:
       name-server: 127.0.0.1:9876
       producer:
           group: x
           access-key: myaccesskey
           secret-key: mysecretKey
           send-message-timeout: 10000
           tls-enable: true
       consumer:
           group: x
           access-key: myaccesskey
           secret-key: mysecretKey
           tls-enable: true

3. 创建MQ工具类

   public class MqUtil {
   
       private final RocketMQTemplate rocketMQTemplate;
   
       public MqUtil(RocketMQTemplate rocketMQTemplate) {
           this.rocketMQTemplate = rocketMQTemplate;
       }
   
       /**
        * 单条通知发送
        *
        * @param topic   主题
        * @param message 消息
        */
       public void convertAndSend(String topic, Object message) {
           rocketMQTemplate.convertAndSend(topic, message);
       }
   
       /**
        * 批量通知发送
        *
        * @param topic    主题
        * @param messages 消息集合
        */
       public <T extends Message<?>> SendResult syncSend(String topic, Collection<T> messages) {
           return rocketMQTemplate.syncSend(topic, messages);
       }
   
       /**
        * 批量通知发送
        *
        * @param topic        主题
        * @param messages     消息集合
        * @param sendCallback 回调函数
        */
       public <T extends Message<?>> void asyncSend(String topic, Collection<T> messages, SendCallback sendCallback) {
           rocketMQTemplate.asyncSend(topic, messages, sendCallback);
       }
   }

4. 注入工具类Bean

   @Bean
   public MqUtil mqUtil(RocketMQTemplate rocketMQTemplate) {
     return new MqUtil(rocketMQTemplate);
   }

5. 测试发消息

   @Resource
   private MqUtil mqUtil;
   
   @Test
   public void test() {
     mqUtil.convertAndSend(TopicConstant.TOPIC_B, "123456");
   }

6. 订阅接收消息

   @Slf4j
   @Service
   @RequiredArgsConstructor(onConstructor = @__({@Autowired}))
   @RocketMQMessageListener(consumerGroup = GroupConstant.GROUP_A, topic = TopicConstant.TOPIC_B)
   public class TopicAConsumer implements RocketMQListener<Message> {
   
       @Override
       public void onMessage(Message message) {
           log.info(JsonUtil.toJsonStr(message));
       }
   }