目录
前言
RocketMQ 是 阿里巴巴开源 的一款高性能、高可靠、分布式的 消息中间件(Message Queue),专为处理大规模实时数据流、微服务通信和分布式事务场景设计。它在大数据、电商、金融等领域广泛应用,支持高吞吐、低延迟的消息传递,具备强一致性和容错能力
💾RocketMQ安装👉RocketMQ阿里巴巴消息队列中间件安装部署教程
一、搭建SpringBoot项目
1、配置Maven依赖
引入RocketMQ依赖
<!--rocketMQ-->
<dependency>
<groupId>org.apache.rocketmq</groupId>
<artifactId>rocketmq-spring-boot-starter</artifactId>
<version>2.3.1</version>
</dependency>
<dependency>
<groupId>org.apache.rocketmq</groupId>
<artifactId>rocketmq-client</artifactId>
<version>5.3.1</version>
</dependency>
2、创建RocketMQ配置类
@Configuration
public class RocketConfig {
@Value("${rocketmq.name-server}")
private String nameServer;
@Value("${rocketmq.producer.group}")
private String producerGroup;
@Bean
public RocketMQTemplate rocketMQTemplate() {
RocketMQTemplate rocketMQTemplate = new RocketMQTemplate();
DefaultMQProducer defaultMQProducer = new DefaultMQProducer();
defaultMQProducer.setProducerGroup(producerGroup);
defaultMQProducer.setNamesrvAddr(nameServer);
rocketMQTemplate.setProducer(defaultMQProducer);
return rocketMQTemplate;
}
}
3、创建消息接收者
@Component
@Service
@RocketMQMessageListener(topic = "test-topic", consumerGroup = "consumer-group")
public class RocketConsumer implements RocketMQListener<String> {
@Override
public void onMessage(String message) {
System.out.println("消费者收到 message: " + message);
}
}
4、创建消息发送者
@Service
public class RocketProducer {
@Autowired
private RocketMQTemplate rocketMQTemplate;
public void sendMessage(String topic, String message) {
rocketMQTemplate.convertAndSend(topic, message);
}
}
5、创建测试接口
@RestController
@RequestMapping("/rocket")
public class RocketController {
@Autowired
private RocketProducer rocketMQProducer;
@GetMapping("/sendMessage")
public String sendMessage(@RequestParam(value = "message", required = true) String message) {
System.out.println("进入方法");
rocketMQProducer.sendMessage("test-topic", message);
return "消息发送成功";
}
}
二、测试接口
访问接口 http://localhost:7001/rocket/sendMessage?message=HelloRocketMQ 测试消息发送与接收