ActiveMq入门实例

消息队列

pom.xml配置

<!-- https://mvnrepository.com/artifact/org.apache.activemq/activemq-core -->
<dependency>
    <groupId>org.apache.activemq</groupId>
    <artifactId>activemq-core</artifactId>
    <version>5.5.1</version>
</dependency>

消息生产者

public class JMSProducer {
    //默认连接用户名
    private static final String USERNAME = ActiveMQConnection.DEFAULT_USER;
    //默认连接密码
    private static final String PASSWORD = ActiveMQConnection.DEFAULT_PASSWORD;
    //默认连接地址
    private static final String BROKEURL = "tcp://xxx.xx.xx.xx:61616";
    //发送的消息数量
    private static final int SENDNUM = 10;
    public static void main(String[] args) {
        //连接工厂
        ConnectionFactory connectionFactory;
        //连接
        Connection connection = null;
        //会话 接受或者发送消息的线程
        Session session;
        //消息的目的地
        Destination destination;
        //消息生产者
        MessageProducer messageProducer;
        //实例化连接工厂
        connectionFactory = new ActiveMQConnectionFactory(JMSProducer.USERNAME, JMSProducer.PASSWORD, JMSProducer.BROKEURL);
        try {
            //通过连接工厂获取连接
            connection = connectionFactory.createConnection();
            //启动连接
            connection.start();
            //创建session
            session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
            //创建一个名称为HelloWorld的消息队列
            destination = session.createQueue("HelloWorld");
            //创建消息生产者
            messageProducer = session.createProducer(destination);
            //发送消息
            sendMessage(session, messageProducer);
            session.commit();
        } catch (Exception e) {
            e.printStackTrace();
        }finally{
            if(connection != null){
                try {
                    connection.close();
                } catch (JMSException e) {
                    e.printStackTrace();
                }
            }
        }
    }
    /**
     * 发送消息
     * @param session
     * @param messageProducer  消息生产者
     * @throws Exception
     */
    public static void sendMessage(Session session,MessageProducer messageProducer) throws Exception{
        for (int i = 0; i < JMSProducer.SENDNUM; i++) {
            //创建一条文本消息
            TextMessage message = session.createTextMessage("ActiveMQ 发送消息" +i);
            System.out.println("发送消息boothsun：Activemq 发送消息" + i);
            //通过消息生产者发出消息
            messageProducer.send(message);
        }
    }
}

运行截图：

消息管理后台页面：

消息消费者

public class JMSConsumer {
    private static final String USERNAME = ActiveMQConnection.DEFAULT_USER;//默认连接用户名
    private static final String PASSWORD = ActiveMQConnection.DEFAULT_PASSWORD;//默认连接密码
    private static final String BROKEURL = "tcp://xxx.xxx.xxx.xxx:61616";//连接地址
    public static void main(String[] args) {
        ConnectionFactory connectionFactory;//连接工厂
        Connection connection = null;//连接
        Session session;//会话 接受或者发送消息的线程
        Destination destination;//消息的目的地
        MessageConsumer messageConsumer;//消息的消费者
        //实例化连接工厂
        connectionFactory = new ActiveMQConnectionFactory(JMSConsumer.USERNAME, JMSConsumer.PASSWORD, JMSConsumer.BROKEURL);
        try {
            //通过连接工厂获取连接
            connection = connectionFactory.createConnection();
            //启动连接
            connection.start();
            //创建session
            session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
            //创建一个连接HelloWorld的消息队列
            destination = session.createQueue("HelloWorld");
            //创建消息消费者
            messageConsumer = session.createConsumer(destination);
            while (true) {
                TextMessage textMessage = (TextMessage) messageConsumer.receive(100000);
                if(textMessage != null){
                    System.out.println("收到的消息:" + textMessage.getText());
                }else {
                    break;
                }
            }
        } catch (JMSException e) {
            e.printStackTrace();
        }
    }
}

运行截图：

消息管理后台页面: