目录

一、引入依赖

二、配置文件

三、生产者

四、消费者

五、结果

---

一、引入依赖

<dependency>
    <groupId>org.apache.rocketmq</groupId>
    <artifactId>rocketmq-spring-boot-starter</artifactId>
    <version>2.2.0</version>
</dependency>

二、配置文件

#Rocketmq配置
rocketmq.name-server=192.168.11.99:9876
# 必须指定生产者组
rocketmq.producer.group=group01
# 消息发送超时时长，默认3s
rocketmq.producer.send-message-timeout=3000
# 同步发送消息失败重试次数，默认2
rocketmq.producer.retry-times-when-send-failed=3
# 异步发送消息失败重试次数，默认2
rocketmq.producer.retry-times-when-send-async-failed=3

三、生产者

package com.beiyou.rocket.provider;

import lombok.extern.slf4j.Slf4j;
import org.apache.rocketmq.spring.core.RocketMQTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Service;

@Service
@Slf4j
public class Provider1 {
    /**
     * 生产者
     */
    @Autowired
    private RocketMQTemplate rocketTemplate;

    public void send(String msg) {
        Message<String> build = MessageBuilder.withPayload(msg).build();
        // 发送消息
        rocketTemplate.convertAndSend("topic_01", build);
    }
}

四、消费者

package com.beiyou.rocket.consumer;

import org.apache.rocketmq.spring.annotation.RocketMQMessageListener;
import org.apache.rocketmq.spring.core.RocketMQListener;
import org.springframework.stereotype.Component;

@Component
@RocketMQMessageListener(topic = "topic_01", consumerGroup = "group_205")
public class Consumer1 implements RocketMQListener<String> {

    @Override
    public void onMessage(String message) {
        System.out.println("消费者收到了消息: " + message);
    }
}

五、结果