<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.example</groupId>
        <artifactId>cloud-demo</artifactId>
        <version>1.0-SNAPSHOT</version>
    </parent>

    <artifactId>cloud-rocketmq</artifactId>
    <packaging>jar</packaging>

    <name>cloud-rocketmq</name>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <dependencies>
        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.rocketmq</groupId>
            <artifactId>rocketmq-spring-boot-starter</artifactId>
            <version>2.2.0</version>
        </dependency>
    </dependencies>
</project>

server:
  port: 1004
spring:
  application:
    # 服务名
    name: cloud-rocketmq

rocketmq:
  name-server: 127.0.0.1:9876
  producer:
    group: demo-producer-group

package org.example.rocketmq.service;

import org.apache.rocketmq.spring.core.RocketMQTemplate;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;

/**
 * @author qx
 * @date 2023/9/28
 * @des 消息生产者
 */
@Service
public class MessageProducer {

    @Resource
    private RocketMQTemplate rocketMQTemplate;

    public void send() {
        rocketMQTemplate.send("test-topic-1", MessageBuilder.withPayload("Hello World!I'm from spring message").build());
    }
}

package org.example.rocketmq.service;

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

/**
 * @author qx
 * @date 2023/9/28
 * @des 消息监听器
 */
@Service
@RocketMQMessageListener(topic = "test-topic-1", consumerGroup = "my-consumer-test-topic-1")
public class MessageListener implements RocketMQListener<String> {
    @Override
    public void onMessage(String s) {
        System.out.println("接收到数据:" + s);
    }
}

package org.example.rocketmq.controller;

import org.example.rocketmq.service.MessageProducer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * @author qx
 * @date 2023/9/28
 * @des 控制器
 */
@RestController
@RequestMapping("/rocketmq")
public class RocketMqController {

    @Autowired
    private MessageProducer messageProducer;

    @RequestMapping("/message")
    public void message() {
        messageProducer.send();
    }
}