SpringBoot整合RabbitMQ及生产全场景高级特性实战

目录

• 摘要
• 整合
• 依赖与配置
• 生产者配置消息队列规则
• 生产者发布消息
• 消费者监听消息

摘要

整合场景含 topic 工作模式(通过 routingKey 可满足简单/工作队列/发布订阅/路由等四种工作模式)和 confirm(消息确认)、return(消息返回)、basicAck(消息签收)、basicNack(拒绝签收)、DLX(Dead Letter Exchange死信队列)实现延时/定时任务等。

整合

依赖与配置

以下内容消费者同生产者

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.4.RELEASE</version>
    </parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-amqp</artifactId>
        </dependency>
        <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
    </dependencies>

server.port=8090
spring.rabbitmq.host=192.168.168.10
spring.rabbitmq.port=5672
spring.rabbitmq.username=zheng123
spring.rabbitmq.password=zheng123
spring.rabbitmq.virtual-host=/zheng
spring.rabbitmq.publisher-confirms=true
spring.rabbitmq.publisher-returns=true
spring.rabbitmq.listener.direct.acknowledge-mode=manual

生产者配置消息队列规则

下边是两种配置方式，本次整合示例中使用第一个配置

@Configuration
public class TopicConfig {

   // 声明队列
   @Bean
   public Queue topicQ1() {
      return new Queue("topic_sb_mq_q1");
   }

   // 声明队列并绑定该队列到死信交换机(返回值有两种写法，任选一种都可以)
   // 测试死信需要关闭原队列的监听
   @Bean
   public Queue topicQ2() {

        return QueueBuilder.durable("topic_sb_mq_q2")
              .withArgument("x-dead-letter-exchange", "topicExchange")
              .withArgument("x-dead-letter-routing-key", "changsha.f")
              .withArgument("x-message-ttl", 10000)
              .build();

        Map<String,Object> arguments = new HashMap<>(2);
        arguments.put("x-dead-letter-exchange","topicExchange");
        arguments.put("x-dead-letter-routing-key","changsha.f");
        arguments.put("x-message-ttl",10000);
        return new Queue("topic_sb_mq_q2",true,false,false,arguments);
   }

   //声明exchange
   @Bean
   public TopicExchange setTopicExchange() {
      return new TopicExchange("topicExchange");
   }

   //声明binding，需要声明一个routingKey
   @Bean
   public Binding bindTopicHebei1() {
      return BindingBuilder.bind(topicQ1()).to(setTopicExchange()).with("changsha.*");
   }
   @Bean
   public Binding bindTopicHebei2() {
      return BindingBuilder.bind(topicQ2()).to(setTopicExchange()).with("#.beijing");
   }
}

@Configuration
public class RabbitMqConfig {

    //定义交换机的名字
    public static final String  EXCHANGE_NAME = "boot_topic_exchange";
    //定义队列的名字
    public static final String QUEUE_NAME = "boot_queue";

    //1、声明交换机
    @Bean("bootExchange")
    public Exchange bootExchange(){
        return ExchangeBuilder.topicExchange(EXCHANGE_NAME).durable(true).build();
    }

    //2、声明队列
    @Bean("bootQueue")
    public Queue bootQueue(){
        return QueueBuilder.durable(QUEUE_NAME).build();
    }

    //3、队列与交换机进行绑定
    @Bean
    public Binding bindQueueExchange(@Qualifier("bootQueue") Queue queue, @Qualifier("bootExchange") Exchange exchange){
        // topic模式兼容广播模式，路由模式。with("#")则类似广播模式匹配所有订阅者；with("boot.1")则类似路由模式匹配指定订阅者
        return BindingBuilder.bind(queue).to(exchange).with("boot.#").noargs();
    }
}

生产者发布消息

@RestController
public class ProducerController {

    @Autowired
    private RabbitTemplate rabbitTemplate;

    @GetMapping(value="/topicSend")
    public Object topicSend(String routingKey,String message) throws AmqpException, UnsupportedEncodingException {

       // 定义 confirm 回调
       rabbitTemplate.setConfirmCallback((correlationData, ack, cause) -> {
          if (ack) {
             // confirmed
          } else {
             // nack-ed
          }
       });

       rabbitTemplate.setMandatory(true);
       rabbitTemplate.setReturnCallback((msg, replyCode, replyText, exchange, routKey)->{
          // return message
       });

       if(null == routingKey) {
          routingKey="changsha.kf";
       }
       MessageProperties messageProperties = new MessageProperties();
       messageProperties.setContentType(MessageProperties.CONTENT_TYPE_TEXT_PLAIN);
       //fanout模式只往exchange里发送消息。分发到exchange下的所有queue
       rabbitTemplate.send("topicExchange", routingKey, new Message(message.getBytes("UTF-8"),messageProperties));
       return "message sended : routingKey >"+routingKey+";message > "+message;
    }
}

消费者监听消息

@Component
public class ConcumerReceiver {
    //topic 模式
    //注意这个模式会有优先匹配原则。例如发送routingKey=hunan.IT,那匹配到hunan.*(hunan.IT,hunan.eco),之后就不会再去匹配*.ITd
    @RabbitListener(queues="topic_sb_mq_q1")
    public void topicReceiveq1(String msg,Message message, Channel channel) throws IOException {
       // 消息id
       long deliveryTag = message.getMessageProperties().getDeliveryTag();
       try {
          // message.getBody() todosomething

          // 签收消息
          channel.basicAck(deliveryTag, true);
       } catch (Exception e) {

          // 拒绝签收
          // 第三个参数：requeue：重回队列。如果设置为true，则消息重新回到queue，broker会重新发送该消息给消费端
          channel.basicNack(deliveryTag, true, true);
       }
    }

    @RabbitListener(queues="topic_sb_mq_q2")
    public void topicReceiveq2(String message) {
       System.out.println("Topic模式 topic_sb_mq_q2 received  message : " +message);
    }
}

到此这篇关于SpringBoot整合RabbitMQ及生产全场景高级特性实战的文章就介绍到这了,更多相关SpringBoot整合RabbitMQ内容请搜索我们以前的文章或继续浏览下面的相关文章希望大家以后多多支持我们！