版权声明:内容记录学习过成文章,仅供参考 https://blog.csdn.net/qq_40195958/article/details/84025168
官网下载解压版本
http://activemq.apache.org/download.html
导入activeMq依赖
<!-- https://mvnrepository.com/artifact/org.apache.activemq/activemq-core -->
<dependency>
<groupId>org.apache.activemq</groupId>
<artifactId>activemq-core</artifactId>
<version>5.7.0</version>
</dependency>
消息生产者
package activeMqDemo;
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--连接工厂,JMS用它创建连接
ConnectionFactory connectionFactory;
// Provider 的连接
Connection connection = null; // Connection :JMS 客户端到JMS
Session session; // Session: 一个发送或接收消息的线程
Destination destination; // Destination :消息的目的地;消息发送给谁.
MessageProducer producer; // MessageProducer:消息发送者
// 构造ConnectionFactory实例对象,定义连接地址、端口号
connectionFactory = new ActiveMQConnectionFactory(ActiveMQConnection.DEFAULT_USER,
ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616");
try { // 构造从工厂得到连接对象
connection = connectionFactory.createConnection();
// 启动
connection.start();
// 获取操作连接
session = connection.createSession(Boolean.TRUE, Session.AUTO_ACKNOWLEDGE);
// 获取session注意参数值xingbo.xu-queue是一个服务器的queue,须在在ActiveMq的console配置
destination = session.createQueue("FirstQueue");
// 得到消息生成者【发送者】
producer = session.createProducer(destination);
// 设置不持久化,此处根据项目需求决定
producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
// 构造消息,此处写死,项目就是参数,或者方法获取
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);
// 发送消息到目的地方
System.out.println("发送消息:" + "ActiveMq 再次发送的消息" + i);
producer.send(message);
}
}
}
消息接收者,自动监听MQ中信息
package activeMqDemo;
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 :连接工厂,JMS 用它创建连接
ConnectionFactory connectionFactory;
// Connection :JMS 客户端到JMS Provider 的连接
Connection connection = null;
// Session: 一个发送或接收消息的线程
Session session;
// Destination :消息的目的地;消息发送给谁.
Destination destination;
// 消费者,消息接收者,对应消息生产者定义的端口号
MessageConsumer consumer;
connectionFactory = new ActiveMQConnectionFactory(
ActiveMQConnection.DEFAULT_USER,
ActiveMQConnection.DEFAULT_PASSWORD, "tcp://localhost:61616");
try {
// 构造从工厂得到连接对象
connection = connectionFactory.createConnection();
// 启动
connection.start();
// 获取操作连接
session = connection.createSession(Boolean.FALSE,
Session.AUTO_ACKNOWLEDGE);
// 获取session注意参数值xingbo.xu-queue是一个服务器的queue,须在在ActiveMq的console配置
destination = session.createQueue("FirstQueue");
consumer = session.createConsumer(destination);
while (true) {
// 设置接收者接收消息的时间,为了便于测试,这里谁定为100s
TextMessage message = (TextMessage) consumer.receive(500000);
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) {
}
}
}
}
访问ActiveMq web控制台
http://localhost:8161