java-rabbitmq-官网实例01

java-rabbitmq-官网实例01


描述：最简单实例，使用非持久化队列，生产者发布消息，MQ 将消息推送给消费者消费，之后 MQ 在队列中删除该消息


依次运行：D1_Send.main();D1_Recv.main();

package com.example.tutorials;


import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;


import java.util.Scanner;


/**
 * 最简单实例，使用非持久化队列，生产者发布消息，MQ 将消息推送给消费者消费，之后 MQ 在队列中删除该消息
 * 发送消息到"默认交换器"，默认交换器是一个无名直连交换器
 * @create 2017-08-29
 * amqp-client 4.2.0
 **/
public class D1_Send {
    private final static String QUEUE_NAME = "hello";


    /**
     * 生产者， "Hello World!"
     * @param argv
     * @throws Exception
     */
    public static void main(String[] argv) throws Exception {
        ConnectionFactory factory = new ConnectionFactory();
        //设置登录账号
        factory.setHost(ServerInfo.host);
        factory.setPort(ServerInfo.port);
        factory.setUsername(ServerInfo.uName);
        factory.setPassword(ServerInfo.uPwd);
        //链接服务器
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        //定义一个队列
        boolean duiable=false;//持久化
        boolean exclusive = false;//排他队列
        boolean autoDelete=false;//没有consumer时，队列是否自动删除
        channel.queueDeclare(QUEUE_NAME, duiable, exclusive, autoDelete, null);


        //发送消息
        System.out.println("输入要发送的消息，退出输入 x ");
        String message = "Hello World!";
        do{
            Scanner scanner = new Scanner(System.in);
            message = scanner.next();
            channel.basicPublish(""
                    , QUEUE_NAME
                    , null
                    , message.getBytes("UTF-8"));
            System.out.println(" [x] Sent '" + message + "'");
        }while(!"x".equals(message));
        //关闭链接
        channel.close();
        connection.close();
    }
}

package com.example.tutorials;


import com.rabbitmq.client.*;


import java.io.IOException;


/**
 * 最简单实例，使用非持久化队列，生产者发布消息，MQ 将消息推送给消费者消费，之后 MQ 在队列中删除该消息
 * 发送消息到"默认交换器"，默认交换器是一个无名直连交换器
 * @create 2017-08-29
 * amqp-client 4.2.0
 **/
public class D1_Recv {
    private final static String QUEUE_NAME = "hello";


    /**
     * 消费者， "Hello World!"
     * @param argv
     * @throws Exception
     */
    public static void main(String[] argv) throws Exception {
        ConnectionFactory factory = new ConnectionFactory();
        //设置登录账号
        factory.setHost(ServerInfo.host);
        factory.setPort(ServerInfo.port);
        factory.setUsername(ServerInfo.uName);
        factory.setPassword(ServerInfo.uPwd);
        //链接服务器
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        //定义一个队列
        boolean duiable=false;//持久化
        boolean exclusive = false;//排他队列
        boolean autoDelete=false;//没有consumer时，队列是否自动删除
        channel.queueDeclare(QUEUE_NAME, duiable, exclusive, autoDelete, null);


        //接收消息
        System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
        Consumer consumer = new DefaultConsumer(channel) {
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body)
                    throws IOException {
                String message = new String(body, "UTF-8");
                System.out.println(" [x] Received '" + message + "'");
            }
        };
        //启动消费者，接收消息
        boolean autoAck=true;//自动应答，true=自动发送应答；false=手动发送应答；
        channel.basicConsume(QUEUE_NAME, autoAck, consumer);
    }
}