rabbitmq-helloworld项目

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.example</groupId>
    <artifactId>rabbitmq</artifactId>
    <version>1.0-SNAPSHOT</version>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>
<dependencies>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.12</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>com.rabbitmq</groupId>
        <artifactId>amqp-client</artifactId>
        <version>5.12.0</version>
    </dependency>
</dependencies>
</project>

provider.java

package com.gavin.mq.producer;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import org.junit.Test;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

public class Provider {
    @Test
    public void testSendMessage() throws IOException, TimeoutException {
        ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setHost("127.0.0.1");
        connectionFactory.setPort(5672);
        connectionFactory.setVirtualHost("/");
        connectionFactory.setUsername("guest");
        connectionFactory.setPassword("guest");
        Connection connection = connectionFactory.newConnection();
        Channel channel = connection.createChannel();
        /**
         * helloqueue: 队列名称
         * durable：是否持久化
         * exclusive：是否独占队列
         * autoDelete：是否在消费完成后删除队列
         * arguments 额外附加参数
         */
        channel.queueDeclare("helloqueue",false,false,false,null);
        /**
         * exchange:交换机名称
         * routingKey：队列名称
         * props：传递消息额外设置
         * body：消息的具体内容
         */
        channel.basicPublish("","helloqueue",null,"hello rabbitmq".getBytes());
        channel.close();
        connection.close();
    }
}

consumer.java

package com.gavin.mq.consumer;

import com.rabbitmq.client.*;
import org.junit.Test;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

public class Consumer {
    public static void main(String[] args) throws IOException, TimeoutException {
        ConnectionFactory connectionFactory = new ConnectionFactory();
        connectionFactory.setHost("127.0.0.1");
        connectionFactory.setPort(5672);
        connectionFactory.setVirtualHost("/");
        connectionFactory.setUsername("guest");
        connectionFactory.setPassword("guest");
        Connection connection = connectionFactory.newConnection();
        Channel channel = connection.createChannel();
        /**
         * helloqueue: 队列名称
         * durable：是否持久化
         * exclusive：是否独占队列
         * autoDelete：是否在消费完成后删除队列
         * arguments 额外附加参数
         */
        channel.queueDeclare("helloqueue",false,false,false,null);
        /**
         * exchange:交换机名称
         * autuACK：自动确认机制
         */
        channel.basicConsume("helloqueue",true,new DefaultConsumer(channel){
            /**
             *
             * @param consumerTag 消费者标签
             * @param envelope 信封
             * @param properties 额外信息
             * @param body 消息内容
             * @throws IOException
             */
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
                System.out.println(new String(body));
            }
        });
    }
}