1小时快速上手RabbitMQ(简介及安装过程)

C:\Users\24724>erl -version
Erlang (SMP,ASYNC_THREADS) (BEAM) emulator version 13.1.3

rabbitmq-plugins enable rabbitmq_management

 <dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>5.1.7.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.amqp</groupId>
            <artifactId>spring-rabbit</artifactId>
            <version>2.1.8.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>5.1.7.RELEASE</version>
        </dependency>
    </dependencies>

public class Producer_HelloWorld {
    public static void main(String[] args) throws IOException, TimeoutException {

        //1.创建连接工厂
        ConnectionFactory factory = new ConnectionFactory();
        //2. 设置参数
        factory.setHost("localhost");//ip  默认值 localhost
        factory.setPort(5672); //端口  默认值 5672
        factory.setVirtualHost("/ittest");//虚拟机 默认值/
        factory.setUsername("guest");//用户名 默认 guest
        factory.setPassword("guest");//密码 默认值 guest
        //3. 创建连接 Connection
        Connection connection = factory.newConnection();
        //4. 创建Channel
        Channel channel = connection.createChannel();
        //5. 创建队列Queue
        
        //如果没有一个名字叫hello_world的队列，则会创建该队列，如果有则不会创建
        channel.queueDeclare("hello_world",true,false,false,null);
        

        String body = "hello rabbitmq~~~";

        //6. 发送消息
        channel.basicPublish("","hello_world",null,body.getBytes());


        //7.释放资源
        channel.close();
        connection.close();
    }
}

public class Consumer_HelloWorld {
    public static void main(String[] args) throws IOException, TimeoutException {
        //1.创建连接工厂
        ConnectionFactory factory = new ConnectionFactory();
        //2. 设置参数
        factory.setHost("localhost");//ip  默认值 localhost
        factory.setPort(5672); //端口  默认值 5672
        factory.setVirtualHost("/ittest");//虚拟机 默认值/
        factory.setUsername("guest");//用户名 默认 guest
        factory.setPassword("guest");//密码 默认值 guest
        //3. 创建连接 Connection
        Connection connection = factory.newConnection();
        //4. 创建Channel
        Channel channel = connection.createChannel();
        //5. 创建队列Queue
        
        //如果没有一个名字叫hello_world的队列，则会创建该队列，如果有则不会创建
        channel.queueDeclare("hello_world",true,false,false,null);

        
        // 接收消息
        Consumer consumer = new DefaultConsumer(channel){
            
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
                System.out.println("consumerTag："+consumerTag);
                System.out.println("Exchange："+envelope.getExchange());
                System.out.println("RoutingKey："+envelope.getRoutingKey());
                System.out.println("properties："+properties);
                System.out.println("body："+new String(body));
            }
        };
        channel.basicConsume("hello_world",true,consumer);


        //关闭资源？不要,因为要一直监听消息
    }
}