<parent>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-parent</artifactId>
 <version>1.5.10.RELEASE</version>
</parent>
<dependency>
  <groupId>org.apache.rocketmq</groupId>
  <artifactId>rocketmq-client</artifactId>
  <version>4.2.0</version>
</dependency>

# 消費者的組名
apache.rocketmq.consumer.PushConsumer=PushConsumer
# 生產(chǎn)者的組名
apache.rocketmq.producer.producerGroup=Producer
# NameServer地址
apache.rocketmq.namesrvAddr=localhost:9876

package test.config.rocketmq;

import org.apache.rocketmq.client.producer.DefaultMQProducer;
import org.apache.rocketmq.client.producer.SendResult;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.remoting.common.RemotingHelper;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.util.StopWatch;
import javax.annotation.PostConstruct;

@Component
public class RocketMQClient {
  /**
   * 生產(chǎn)者的組名
   */
  @Value("${apache.rocketmq.producer.producerGroup}")
  private String producerGroup;

  /**
   * NameServer 地址
   */
  @Value("${apache.rocketmq.namesrvAddr}")
  private String namesrvAddr;

  @PostConstruct
  public void defaultMQProducer() {
    //生產(chǎn)者的組名
    DefaultMQProducer producer = new DefaultMQProducer(producerGroup);
    //指定NameServer地址，多個地址以 ; 隔開
    producer.setNamesrvAddr(namesrvAddr);
    producer.setVipChannelEnabled(false);
    try {
      /**
       * Producer對象在使用之前必須要調(diào)用start初始化，初始化一次即可
       * 注意：切記不可以在每次發(fā)送消息時，都調(diào)用start方法
       */
      producer.start();

      //創(chuàng)建一個消息實例，包含 topic、tag 和 消息體
      //如下：topic 為 "TopicTest"，tag 為 "push"
      Message message = new Message("TopicTest", "push", "發(fā)送消息----zhisheng-----".getBytes(RemotingHelper.DEFAULT_CHARSET));

      StopWatch stop = new StopWatch();
      stop.start();

      for (int i = 0; i < 1; i++) {
        SendResult result = producer.send(message);
        System.out.println("發(fā)送響應(yīng)：MsgId:" + result.getMsgId() + "，發(fā)送狀態(tài):" + result.getSendStatus());
      }
      stop.stop();
      System.out.println("----------------發(fā)送一萬條消息耗時：" + stop.getTotalTimeMillis());
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      producer.shutdown();
    }
  }
}

import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
import org.apache.rocketmq.common.message.MessageExt;
import org.apache.rocketmq.remoting.common.RemotingHelper;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;


@Component
public class RocketMQServer {
  /**
   * 消費者的組名
   */
  @Value("${apache.rocketmq.consumer.PushConsumer}")
  private String consumerGroup;

  /**
   * NameServer 地址
   */
  @Value("${apache.rocketmq.namesrvAddr}")
  private String namesrvAddr;

  @PostConstruct
  public void defaultMQPushConsumer() {
    //消費者的組名
    DefaultMQPushConsumer consumer = new DefaultMQPushConsumer(consumerGroup);

    //指定NameServer地址，多個地址以 ; 隔開
    consumer.setNamesrvAddr(namesrvAddr);
    consumer.setVipChannelEnabled(false);
    try {
      //訂閱PushTopic下Tag為push的消息
      consumer.subscribe("TopicTest", "push");

      //設(shè)置Consumer第一次啟動是從隊列頭部開始消費還是隊列尾部開始消費
      //如果非第一次啟動，那么按照上次消費的位置繼續(xù)消費
      consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
      consumer.registerMessageListener((MessageListenerConcurrently) (list, context) -> {
        try {
          for (MessageExt messageExt : list) {

            System.out.println("messageExt: " + messageExt);//輸出消息內(nèi)容

            String messageBody = new String(messageExt.getBody(), RemotingHelper.DEFAULT_CHARSET);

            System.out.println("消費響應(yīng)：msgId : " + messageExt.getMsgId() + ", msgBody : " + messageBody);//輸出消息內(nèi)容
          }
        } catch (Exception e) {
          e.printStackTrace();
          return ConsumeConcurrentlyStatus.RECONSUME_LATER; //稍后再試
        }
        return ConsumeConcurrentlyStatus.CONSUME_SUCCESS; //消費成功
      });
      consumer.start();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}