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这里使用最简单的方式 Spring Cloud Stream去整合MQ

• 导入依赖(这里依赖要注意,如果报错更换低版本试试)

如果是其他的MQ将rabbit更换成其他的即可,但是版本号需要自己去拉取

  <!--spring-cloud-starter-stream-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-stream-rabbit</artifactId>
            <version>3.0.13.RELEASE</version>
        </dependency>

• 添加连接配置

rabbitmq:
    host: ${RABBIT_HOST:127.0.0.1}
    port: ${RABBIT_PORT:5672}
    username: ${RABBIT_HOST:eladmin}
    password: ${RABBIT_HOST:eladmin}
    #虚拟host 可以不设置,使用server默认host
    virtual-host: ${RABBIT_virtual_HOST:eladmin}

• 绑定broker 注意生产者跟消费者的destination 必须一致：

# rabbit配置
  cloud:
    stream:
      bindings:
        userOutPut:
          destination: user_message

        userInPut:
          destination: user_message
#          group: userMassageConstomer
#其他的配置可以参考 BindingServiceProperties类 

• 创建provider

public interface UserMessageSource {

    String USER_IN_PUT = "userInPut";

    String USER_OUT_PUT = "userOutPut";

    @Output(USER_OUT_PUT)
    MessageChannel userOutPut();

    @Input(USER_IN_PUT)
    SubscribableChannel userInPut();

}

• 创建生产者

@EnableBinding(UserMessageSource.class)
public class UserMessageProducer {

    private final UserMessageSource channel;

    public UserMessageProducer(UserMessageSource channel) {
        this.channel = channel;
    }

    public void publish(User user){
        channel.userOutPut().send(MessageBuilder.withPayload(user).build());
    }
}

• 创建消费者

@Slf4j
@EnableBinding(UserMessageSource.class)
public class UserMessageConsumer {

    @StreamListener(UserMessageSource.USER_IN_PUT)
    public void consumer(@Payload User user){
        log.info("收到消息:{}",user);
    }
}