1.下载ActiveMQ
去官方网站下载:
我下载的时候是 ActiveMQ 5.8.0 Release版
2.运行ActiveMQ
解压缩apache-activemq-5.8.0-bin.zip,然后双击apache-activemq-5.5.1\bin\activemq.bat运行ActiveMQ程序。
启动ActiveMQ以后,登陆:http://localhost:8161/admin/,创建一个Queue,命名为FirstQueue。
3.创建Eclipse项目并运行
创建java project:ActiveMQ-5.8,新建lib文件夹
打开apache-activemq-5.8.0\lib目录
拷贝
activemq-broker-5.8.0.jar
activemq-client-5.8.0.jar
geronimo-j2ee-management_1.1_spec-1.0.1.jar
geronimo-jms_1.1_spec-1.1.1.jar
slf4j-api-1.6.6.jar
这5个jar文件到lib文件夹中,并Build Path->Add to Build Path
结构如图:
Sender.java
- package com.lm.activemq;
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-
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- import javax.jms.Connection;
- import javax.jms.ConnectionFactory;
- import javax.jms.DeliveryMode;
- import javax.jms.Destination;
- import javax.jms.MessageProducer;
- import javax.jms.Session;
- import javax.jms.TextMessage;
- import org.apache.activemq.ActiveMQConnection;
- import org.apache.activemq.ActiveMQConnectionFactory;
-
- public class Sender {
- private static final int SEND_NUMBER = 5;
-
- public static void main(String[] args) {
-
- ConnectionFactory connectionFactory;
-
- Connection connection = null;
- Session session;
- Destination destination;
- MessageProducer producer;
-
- connectionFactory = new ActiveMQConnectionFactory(
- ActiveMQConnection.DEFAULT_USER,
- ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616");
- try {
- connection = connectionFactory.createConnection();
-
- connection.start();
-
- session = connection.createSession(Boolean.TRUE,
- Session.AUTO_ACKNOWLEDGE);
-
- destination = session.createQueue("FirstQueue");
-
- producer = session.createProducer(destination);
-
- producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
-
- sendMessage(session, producer);
- session.commit();
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- try {
- if (null != connection)
- connection.close();
- } catch (Throwable ignore) {
- }
- }
- }
-
- public static void sendMessage(Session session, MessageProducer producer)
- throws Exception {
- for (int i = 1; i <= SEND_NUMBER; i++) {
- TextMessage message = session.createTextMessage("ActiveMq 发送的消息"
- + i);
-
-
- System.out.println("发送消息:" + "ActiveMq 发送的消息" + i);
- producer.send(message);
- }
- }
- }
Receiver.java
- package com.lm.activemq;
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-
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- import javax.jms.Connection;
- import javax.jms.ConnectionFactory;
- import javax.jms.Destination;
- import javax.jms.MessageConsumer;
- import javax.jms.Session;
- import javax.jms.TextMessage;
- import org.apache.activemq.ActiveMQConnection;
- import org.apache.activemq.ActiveMQConnectionFactory;
-
- public class Receiver {
- public static void main(String[] args) {
-
- ConnectionFactory connectionFactory;
-
- Connection connection = null;
-
- Session session;
-
- Destination destination;
-
- MessageConsumer consumer;
- connectionFactory = new ActiveMQConnectionFactory(
- ActiveMQConnection.DEFAULT_USER,
- ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616");
- try {
-
- connection = connectionFactory.createConnection();
-
- connection.start();
-
- session = connection.createSession(Boolean.FALSE,
- Session.AUTO_ACKNOWLEDGE);
-
- destination = session.createQueue("FirstQueue");
- consumer = session.createConsumer(destination);
- while (true) {
-
- TextMessage message = (TextMessage) consumer.receive(100000);
- if (null != message) {
- System.out.println("收到消息" + message.getText());
- } else {
- break;
- }
- }
- } catch (Exception e) {
- e.printStackTrace();
- } finally {
- try {
- if (null != connection)
- connection.close();
- } catch (Throwable ignore) {
- }
- }
- }
- }
5.测试过程
先运行:Receiver.java
再运行:Sender.java
可以看到结果
Sender运行后:
发送消息:ActiveMq 发送的消息1
发送消息:ActiveMq 发送的消息2
发送消息:ActiveMq 发送的消息3
发送消息:ActiveMq 发送的消息4
发送消息:ActiveMq 发送的消息5
Receiver运行后:
收到消息ActiveMq 发送的消息1
收到消息ActiveMq 发送的消息2
收到消息ActiveMq 发送的消息3
收到消息ActiveMq 发送的消息4
收到消息ActiveMq 发送的消息5
要想看到不同的输出内容,通过点击如下图的按钮切换console
在Receiver.java中,可以设置一个时间,比如receive(500000),如下代码所示:
- TextMessage message = (TextMessage) consumer.receive(500000);
这个时候运行Receiver.java的话,会使得这个Receiver.java一直运行500秒,在eclipse中可以发现:
点击那个红色方块可以手动停止运行程序