/**
  * 生成消费者
  *
  * @throws Exception
  */
 private void makeConsumer() throws Exception {
   if (null == mqConsumer) {
     mqConsumer = new DefaultMQPushConsumer(mqGroupName);
     mqConsumer.setNamesrvAddr(mqNameServers);
     mqConsumer.setInstanceName(mqInstanceName);
     mqConsumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_LAST_OFFSET);
     mqConsumer.registerMessageListener(mqListener);
     mqConsumer.start();
     logger.info(
         "Consumer-> GroupName:{} InstanceName:{} <{}> is ok.",
         mqGroupName,
         mqInstanceName,
         mqNameServers);
   }
 }
 public static void main(String[] args) {
   DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("consumer");
   consumer.setNamesrvAddr("10.0.1.187:9876:9876");
   try {
     // 订阅PushTopic下Tag为push的消息
     consumer.subscribe("test", "test1");
     // 程序第一次启动从消息队列头取数据
     consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
     consumer.registerMessageListener(
         new MessageListenerConcurrently() {
           public ConsumeConcurrentlyStatus consumeMessage(
               List<MessageExt> list, ConsumeConcurrentlyContext Context) {
             Message msg = list.get(0);
             System.out.println(msg.toString());
             return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
           }
         });
     consumer.start();
   } catch (Exception e) {
     e.printStackTrace();
   }
 }
  public static void main(String[] args) throws InterruptedException, MQClientException {

    DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("CID_JODIE_1");

    consumer.subscribe("Jodie_topic_1023", "*");

    consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);

    consumer.registerMessageListener(
        new MessageListenerConcurrently() {

          /** */
          @Override
          public ConsumeConcurrentlyStatus consumeMessage(
              List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
            System.out.println(Thread.currentThread().getName() + " Receive New Messages: " + msgs);
            return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
          }
        });

    consumer.start();

    System.out.println("Consumer Started.");
  }