SpringBoot集成RocketMQ

配置

配置pom

在发送方与接收方首先需要导入rocketMQ的坐标，注意版本号,在我的测试中，导入的坐标为:

	
		<dependency>
			<groupId>org.apache.rocketmqgroupId>
			<artifactId>rocketmq-spring-boot-starterartifactId>
			<version>2.0.3version>
		dependency>

配置application.properties

在这里可以对rocketMQ进行配置，有多种设置，例如每种消息的topic,tag等，这往往需要根据业务的需要进行配置，这样在这里进行配置后，就可以实现解耦；我们首先需要将rocket服务器的nameServer地址配置上来(前提是确保rocketMQ服务启动)

rocketmq.name-server=47.98.144.17:9876  # 根据具体配置来，这里我使用的是阿里云的服务器

简单测试

在消息发送方

@SpringBootTest(classes = {DemoApplication.class})
class DemoApplicationTests {

	@Test
	void contextLoads() {
	}

	//注入RocketTemplate
	@Autowired
	private RocketMQTemplate rocketMQTemplate;

	@Test
	public void test1(){
		rocketMQTemplate.convertAndSend("springboot-mq","hello springboot rocketmq");//发送的topic为`springboot-mq
	}

}

在消息的接受方

@Component
@RocketMQMessageListener(topic = "springboot-mq",consumerGroup = "springboot-mq-consumer-1")//指定监听的topic,这里可以在配置文件中配置
public class Consumer implements RocketMQListener<String> {//实现监听器

    @Override
    public void onMessage(String message) { //进行监听，获取消息
        System.out.println("RecieveMessage"+message);
    }
}

监控平台查看

2020-05-24 11:38:51.329  INFO 7712 --- [           main] a.r.s.s.DefaultRocketMQListenerContainer : running container: DefaultRocketMQListenerContainer{consumerGroup='springboot-mq-consumer-1', nameServer='47.98.144.17:9876', topic='springboot-mq', consumeMode=CONCURRENTLY, selectorType=TAG, selectorExpression='*', messageModel=CLUSTERING}

复杂测试

发送方

配置文件

mq.test.consumer.topic = base
mq.test.consumer.tag = test

发送代码

package com.example.demo;

import com.alibaba.fastjson.JSON;
import com.example.demo.pojo.User;
import org.apache.rocketmq.client.exception.MQBrokerException;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.remoting.exception.RemotingException;
import org.apache.rocketmq.spring.core.RocketMQTemplate;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;


@SpringBootTest(classes = {DemoApplication.class})
class DemoApplicationTests {

//注入topic
	@Value("${mq.test.consumer.topic}")
	private String topic;

//注入tag
	@Value("${mq.test.consumer.tag}")
	private String tag;

	@Test
	void contextLoads() {
	}

	//注入RocketTemplate
	@Autowired
	private RocketMQTemplate rocketMQTemplate;

	@Test
	public void test1(){
	//构造发阿松的信息
		User user = new User("周健",123);
		//构造发送的信息
		Message message = new Message(topic,tag, JSON.toJSONString(user).getBytes());
		try {
		//尝试发送消息
			rocketMQTemplate.getProducer().send(message);
		} catch (MQClientException e) {
			e.printStackTrace();
		} catch (RemotingException e) {
			e.printStackTrace();
		} catch (MQBrokerException e) {
			e.printStackTrace();
		} catch (InterruptedException e) {
			e.printStackTrace();
		}

	}

}

在监控端

发送端

配置文件

# 监听的消息
mq.test.consumer.topic = base
mq.test.consumer.tag = test
mq.test.consumer.group.name=order_orderTopic_cancel_group

发送端

package com.example.listener.mq;

import com.alibaba.fastjson.JSON;
import com.example.listener.pojo.User;
import org.apache.logging.log4j.message.Message;
import org.apache.rocketmq.client.consumer.listener.MessageListener;
import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
import org.apache.rocketmq.common.message.MessageExt;
import org.apache.rocketmq.spring.annotation.MessageModel;
import org.apache.rocketmq.spring.annotation.RocketMQMessageListener;
import org.apache.rocketmq.spring.core.RocketMQListener;
import org.springframework.stereotype.Component;

import java.io.UnsupportedEncodingException;

/**
 * @Author Zhou  jian
 * @Date 2020 ${month}  2020/5/25 0025  10:12
 */
@Component
//配置监听的消息
@RocketMQMessageListener(topic="${mq.test.consumer.topic}",consumerGroup = "${mq.test.consumer.group.name}",messageModel = MessageModel.BROADCASTING)
public class ConsumerMessage implements RocketMQListener<MessageExt>{
    @Override
    public void onMessage(MessageExt message) {
        //1. 解析消息内容
        String body = null;
        try {
            body = new String(message .getBody(), "UTF-8");
            //使用JSON解析消息
            User user = JSON.parseObject(body,User.class);
            System.out.println(user);
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }

    }
}