RabbitMQ topics

RabbitMQ topics

topic 主题

生产者

package topics;

import com.jia.utils.RabbitMQUtils;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import org.junit.Test;

import java.io.IOException;

public class Provider {

    @Test
    public void sendMsg() throws IOException {
        Connection connection = RabbitMQUtils.getConnection();
        Channel channel = connection.createChannel();
        //声明topic类型交换机
        channel.exchangeDeclare("topics","topic");

        //路由key
        String routekey= "user.save";
        channel.basicPublish("topics",routekey,null,("路由订阅"+routekey).getBytes());
    }
}

#消费者

package com.jia.topics;

import com.jia.utils.RabbitMQUtils;
import com.rabbitmq.client.*;

import java.io.IOException;

public class Consumer1 {

    public static void main(String[] args) throws IOException {
        Connection connection = RabbitMQUtils.getConnection();
        Channel channel = connection.createChannel();
        //声明路由主题模式交换机
        channel.exchangeDeclare("topics","topic");
        //创建临时队列
        String queue = channel.queueDeclare().getQueue();
        //路由key
        String routekey="user.*";
        //String routekey="user.#"; # 是匹配多个 如 user.save/user.stu.save/user.peo.save~~~ * 是匹配一个
        //绑定临时队列交换机
        channel.queueBind(queue,"topics",routekey);

        channel.basicConsume(queue,true,new DefaultConsumer(channel){

            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
                System.out.println("Consumer1消费："+new String(body));
            }
        });



    }
}

package com.jia.topics;

import com.jia.utils.RabbitMQUtils;
import com.rabbitmq.client.*;

import java.io.IOException;

public class Consumer2 {

    public static void main(String[] args) throws IOException {
        Connection connection = RabbitMQUtils.getConnection();
        Channel channel = connection.createChannel();
        //声明路由主题模式交换机
        channel.exchangeDeclare("topics","topic");
        //创建临时队列
        String queue = channel.queueDeclare().getQueue();
        //路由key
        String routekey="user2.*";
        //绑定临时队列交换机
        channel.queueBind(queue,"topics",routekey);

        channel.basicConsume(queue,true,new DefaultConsumer(channel){

            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
                System.out.println("Consumer2消费："+new String(body));
            }
        });



    }
}

消费2不会消费消息 user2.* 无法匹配user.save