Hello World---------queue

queue

1. 引入Jar 包  activemq-all-5.15.2.jar
2. Produce

3. package com.city.producer;
   
   import org.apache.activemq.ActiveMQConnectionFactory;
   
   import javax.jms.*;
   
   public class JMSProducer {
   
       //默认连接用户名
       private static final String USERNAME ="admin";
       //默认连接密码
       private static final String PASSWORD ="admin";
       //默认连接地址
       private static final String BROKEURL ="tcp://localhost:61616";
       //发送的消息数量
       private static final int SENDNUM = 10;
   
       public static void main(String[] args) {
           Connection connection= null;
           Session session= null;
           Queue queue;
           MessageProducer producer;
           TextMessage textMessage = null;
   
           ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(JMSProducer.USERNAME, JMSProducer.PASSWORD, JMSProducer.BROKEURL);
           try {
               connection = connectionFactory.createConnection();
               connection.start();
               session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
               queue = session.createQueue("HelloWorld");
               producer = session.createProducer(queue);
               for (int i= 0;i<JMSProducer.SENDNUM;i++) {
                   textMessage = session.createTextMessage("ActiveMQ 发送消息:" + i);
                   System.out.println("发送消息：ActiveMQ 发送消息:" + i);
                   producer.send(textMessage);
               }
               session.commit();
           } catch (JMSException e) {
               e.printStackTrace();
               try {
                   session.close();
                   connection.close();
               } catch (JMSException e1) {
                   e1.printStackTrace();
               }
           }
       }
   }

4. Consumer

5. package com.city.consumer;
   
   import org.apache.activemq.ActiveMQConnectionFactory;
   
   import javax.jms.*;
   
   public class JMSConsumer {
       private static final String USERNAME = "admin";//默认连接用户名
       private static final String PASSWORD = "admin";//默认连接密码
       private static final String BROKEURL = "tcp://localhost:61616";//默认连接地址
   
       public static  void  main(String [] args) {
   
           ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory(JMSConsumer.USERNAME, JMSConsumer.PASSWORD, JMSConsumer.BROKEURL);
           Connection connection = null;
           Session session =null;
           MessageConsumer consumer;
           Queue queue;
           try {
               connection = connectionFactory.createConnection();
               connection.start();
               session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
               queue = session.createQueue("HelloWorld");
               consumer = session.createConsumer(queue);
               while (true) {
                   TextMessage message  = (TextMessage)consumer.receive(1000);
                   if (message!=null) {
                       System.out.println("接受消息：ActiveMQ 接受消息:"+message.getText());
                   } else {
                       break;
                   }
               }
           } catch (JMSException e) {
               e.printStackTrace();
               try {
                   session.close();
                   connection.close();
               } catch (JMSException e1) {
                   e1.printStackTrace();
               }
           }
           System.out.println("AAAAAA");
       }
   }
   

6. 查看ActiveMQ ---------------http://127.0.0.1:8161/admin/
    

来自为知笔记(Wiz)