RabbitMQ: topic 结构

发布于:2023-09-14 ⋅ 阅读:(58) ⋅ 点赞:(0)

生产者 

package com.qf.mq2302.topic;

import com.qf.mq2302.utils.MQUtils;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;

public class Pubisher {
    public static final String EXCHANGE_NAME="mypubilisher";

    public static void main(String[] args) throws Exception {
        Connection connection = MQUtils.getConnection();
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(EXCHANGE_NAME,"topic");

        String msg="好好学习";
        String routingkey="lazy.orange.rabbit";

        channel.basicPublish(EXCHANGE_NAME,routingkey,null,msg.getBytes("utf-8"));

        channel.close();
        connection.close();

    }
}

消费者1

package com.qf.mq2302.topic;

import com.qf.mq2302.utils.MQUtils;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.DeliverCallback;
import com.rabbitmq.client.Delivery;

import java.io.IOException;

public class MyConsumer01 {
    public static final String EXCHANGE_NAME="mypubilisher";

    public static void main(String[] args) throws Exception {
        Connection connection = MQUtils.getConnection();
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(EXCHANGE_NAME,"topic");
        String queue = channel.queueDeclare().getQueue();

        channel.basicQos(1);

        //绑定队列和交换机
        String routingkey="*.orange.*";
        channel.queueBind(queue,EXCHANGE_NAME,routingkey);

        channel.basicConsume(queue, false, new DeliverCallback() {
            @Override
            public void handle(String consumerTag, Delivery message) throws IOException {
                byte[] body = message.getBody();
                String s = new String(body, "utf-8");
                System.out.println(s);

                channel.basicAck(message.getEnvelope().getDeliveryTag(),false);


            }
        },consumerTag -> {});




    }

}

消费者2

package com.qf.mq2302.topic;

import com.qf.mq2302.utils.MQUtils;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.DeliverCallback;
import com.rabbitmq.client.Delivery;

import java.io.IOException;

public class MyConsumer02 {
    public static final String EXCHANGE_NAME="mypubilisher";

    public static void main(String[] args) throws Exception {
        Connection connection = MQUtils.getConnection();
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(EXCHANGE_NAME,"topic");
        String queue = channel.queueDeclare().getQueue();

        channel.basicQos(1);

        //绑定队列和交换机

        String routingkey2="*.*.rabbit";
        String routingkey3="lazy.#";
        channel.queueBind(queue,EXCHANGE_NAME,routingkey3);
        channel.queueBind(queue,EXCHANGE_NAME,routingkey2);

        channel.basicConsume(queue, false, new DeliverCallback() {
            @Override
            public void handle(String consumerTag, Delivery message) throws IOException {
                byte[] body = message.getBody();
                String s = new String(body, "utf-8");
                System.out.println(s);

                channel.basicAck(message.getEnvelope().getDeliveryTag(),false);


            }
        },consumerTag -> {});




    }

}

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