介绍 Active MQ是个消息队列管理器，用于通讯的中间件。现在由我来给大家介绍一下如何使用ActiveMQ测试小程序。
首先需要下载ActiveMQ,并修改内存
修改bin目录下activemq.bat
在最后一行加入
set ACTIVEMQ_OPTS=-Xms1G -Xmx1G
保存后执行该bat文件
新建maven项目
pom文件中加入依赖
org.apache.activemq activemq-all 5.9.0 org.apache.activemq activemq-broker 5.10.0 org.apache.activemq activemq-client 5.14.0
发送端程序
import org.apache.activemq.ActiveMQConnection;import org.apache.activemq.
ActiveMQConnectionFactory;import javax.jms.*;public class Send {
// private static final int SEND_NUMBER = 10;
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；消息的接收者
Destination destination; //MessageProducer:消息发送者
MessageProducer producer; //TextMessage message;
//构造ConnectionFactory实例对象，此处采用ActiveMQ的实现jar
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test是一个服务器的queue,须在ActiveMQ的console配置
destination = session.createQueue("test");
//得到发送者
producer = session.createProducer(destination);
//设置不持久化，实际情况请根据项目决定
producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
//构造消息，这里写死了，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 <= 100000; i++){
TextMessage message = session.createTextMessage("今日天气asda" + i)；//发送消息到目的地
System.out.println("发送:"+message.getText());
producer.send(message);
}
}
}接收端程序
import org.apache.activemq.ActiveMQConnection;import org.apache.activemq.
ActiveMQConnectionFactory;import javax.jms.*;public class revice {
public static void main(String[] args) {
ConnectionFactory connectionFactory;
Connection connection = null;
Session session;
Destination destination; //接收者-消费者
MessageConsumer messageConsumer;
connectionFactory = new ActiveMQConnectionFactory(
ActiveMQConnectionFactory.DEFAULT_USER,
ActiveMQConnectionFactory.DEFAULT_PASSWORD, "tcp://localhost:61616");
try{
connection = connectionFactory.createConnection();
connection.start();
session = connection.createSession(false,Session.AUTO_ACKNOWLEDGE);
destination = session.createQueue("test");
messageConsumer = session.createConsumer(destination); while(true){
TextMessage message = (TextMessage) messageConsumer.receive(1000);
if(null != message){
System.out.println("收到:"+message.getText());
}else{ break;
}
message.acknowledge();
}
}catch(Exception ex){
ex.printStackTrace();
}finally{ try{ if(null != connection){
connection.close();
}
}catch(Throwable ig){
}
}
}
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