Spring Boot 整合RocketMq实现消息过滤功能

 public void sendTagMessage()
   {
       String[] tags = new String[]{"TagA", "TagB", "TagC", "TagD", "TagE"};
       for(int i=0;i<10;i++)
       {
           String tag = tags[i % tags.length];
           logger.info("sendTagMessage tag is :{}",tag);
           String msg = "hello, 这是第" + (i + 1) + "条消息";
           org.springframework.messaging.Message<String> msg1 = MessageBuilder.withPayload(msg).build(); 
           rocketMQTemplate.convertAndSend("test-tag-rocketmq" + ":" + tag, msg1);
       }
   }

@Component
@RocketMQMessageListener(consumerGroup="test-tagrocketmq-group",topic="test-tag-rocketmq",selectorExpression="TagA || TagC || TagD",selectorType=SelectorType.TAG, messageModel = MessageModel.CLUSTERING)
public class TagConsumer implements RocketMQListener<Object>
{
    private Logger logger =LoggerFactory.getLogger(getClass());
    @Override
    public void onMessage(Object o)
    {
        String msg=JSON.toJSONString(o);
        logger.info("send TagA || TagC || TagD  succss content is:{}", msg);
    }
}

   public void sendSQLMessage()
   {
       String msg = "hello, 这是第1条消息";
       org.springframework.messaging.Message<String> message = MessageBuilder.withPayload(msg).build() ;
       Map<String, Object> headers = new HashMap<>() ;
       headers.put("i", 5) ;
       rocketMQTemplate.convertAndSend("test-sql-rocketmq", message, headers);
   }

@Component
@RocketMQMessageListener(consumerGroup="test-sqlrocketmq-group",topic="test-sql-rocketmq",selectorExpression = "i=5",selectorType=SelectorType.SQL92, messageModel = MessageModel.CLUSTERING)
public class SQLConsumer implements RocketMQListener<MessageExt>
{
    private Logger logger =LoggerFactory.getLogger(getClass());
    @Override
    public void onMessage(MessageExt message)
    {
        String msg=new String(message.getBody());
        String paramStr=JSON.toJSONString(message.getProperties());
        //消息内容
        logger.info("send succss content is:{}", msg);
        //消息参数
        logger.info("send mssage parma is:{}", paramStr);
    }
}