订阅发布工作模式利用fanout交换机

package com.java1234.producer.config;

import org.springframework.amqp.core.*;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class RabbitMQConfig {


    /**
     * direct交换机名称
     */
    public static final String DIRECT_EXCHANGE="directExchange";


    /**
     * fanout交换机名称
     */
    public static final String FANOUT_EXCHANGE="fanoutExchange";

    /**
     * direct队列名称
     */
    public static final String DIRECT_QUEUE="directQueue";

    /**
     * 订阅队列1名称
     */
    public static final String SUB_QUEUE1="subQueue1";
    /**
     * 订阅队列2名称
     */
    public static final String SUB_QUEUE2="subQueue2";

    /**
     * direct路由Key
     */
    public static final String DIRECT_ROUTINGKEY="directRoutingKey";

    /**
     * 定义一个direct交换机
     * @return
     */
    @Bean
    public DirectExchange directExchange(){
        return new DirectExchange(DIRECT_EXCHANGE);
    }

    /**
     * 定义一个direct交换机
     * @return
     */
    @Bean
    public FanoutExchange fanoutExchange(){
        return new FanoutExchange(FANOUT_EXCHANGE);
    }

    /**
     * 定义一个direct队列
     * @return
     */
    @Bean
    public Queue directQueue(){
        return new Queue(DIRECT_QUEUE);
    }

    /**
     * 定义一个订阅队列1
     * @return
     */
    @Bean
    public Queue subQueue1(){
        return new Queue(SUB_QUEUE1);
    }

    /**
     * 定义一个订阅队列2
     * @return
     */
    @Bean
    public Queue subQueue2(){
        return new Queue(SUB_QUEUE2);
    }

    /**
     * 定义一个队列和交换机的绑定
     * @return
     */
    @Bean
     public Binding directBinding(){
        return BindingBuilder.bind(directQueue()).to(directExchange()).with(DIRECT_ROUTINGKEY);
     }

    /**
     * 定义一个队列和交换机的绑定
     * @return
     */
    @Bean
    public Binding fanoutBinding1(){
        return BindingBuilder.bind(subQueue1()).to(fanoutExchange());
    }

    /**
     * 定义一个队列和交换机的绑定
     * @return
     */
    @Bean
    public Binding fanoutBinding2(){
        return BindingBuilder.bind(subQueue2()).to(fanoutExchange());
    }
}

package com.java1234.consumer.service.impl;

import com.java1234.consumer.service.RabbitMqService;
import com.java1234.producer.config.RabbitMQConfig;
import org.springframework.amqp.core.AmqpTemplate;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service("rabbitmqService")
public class RabbitMqServiceImpl implements RabbitMqService {

    @Autowired
    private AmqpTemplate amqpTemplate;

    @Override
    public void receiveMessage() {
        String message=(String) amqpTemplate.receiveAndConvert(RabbitMQConfig.DIRECT_QUEUE);
        System.out.println("接受到的mq消息："+message);
    }

    @Override
    @RabbitListener(queues = {RabbitMQConfig.DIRECT_QUEUE})
    public void receiveMessage2(String message) {
        System.out.println("消费者1：接收到的mq消息："+message);
    }


    @Override
    @RabbitListener(queues = {RabbitMQConfig.DIRECT_QUEUE})
    public void receiveMessage3(String message) {
        System.out.println("消费者2：接收到的mq消息："+message);
    }

    @Override
    @RabbitListener(queues = {RabbitMQConfig.SUB_QUEUE1})
    public void receiveSubMessage1(String message) {
        System.out.println("订阅者1：接收到的mq消息："+message);
    }

    @Override
    @RabbitListener(queues = {RabbitMQConfig.SUB_QUEUE2})
    public void receiveSubMessage2(String message) {
        System.out.println("订阅者1：接收到的mq消息："+message);
    }

}

package com.java1234.consumer.service;

public interface RabbitMqService {

    /**
     * 接受消息
     */
    public void receiveMessage();

    /**
     * 接受消息
     */
    public void receiveMessage2(String message);

    /**
     * 接受消息
     */
    public void receiveMessage3(String message);


    /**
     * 接受订阅消息1
     */
    public void receiveSubMessage1(String message);
    /**
     * 接受订阅消息2
     */
    public void receiveSubMessage2(String message);
}

package com.java1234.producer.service.impl;

import com.java1234.producer.config.RabbitMQConfig;
import com.java1234.producer.service.RabbitMqService;
import org.springframework.amqp.core.AmqpTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service("rabbitmqService")
public class RabbitMqServiceImpl implements RabbitMqService {

    @Autowired
    private AmqpTemplate amqpTemplate;

    /**
     * String exchange 交换机名称
     * String routingKey 路由Key
     * Object object 具体发送的消息
     * @param message
     */
    @Override
    public void sendMessage(String message) {
        amqpTemplate.convertAndSend(RabbitMQConfig.DIRECT_EXCHANGE,RabbitMQConfig.DIRECT_ROUTINGKEY,message);
    }

    @Override
    public void sendFanoutMessage(String message) {
        amqpTemplate.convertAndSend(RabbitMQConfig.FANOUT_EXCHANGE,"",message);
    }
}

package com.java1234.producer.service;

public interface RabbitMqService {

    /**
     * 发送消息
     * @param message
     */
    public void sendMessage(String message);

    /**
     * 发送消息
     * @param message
     */
    public void sendFanoutMessage(String message);
}

package com.java1234.producer;

import com.java1234.producer.service.RabbitMqService;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ConfigurableApplicationContext;

@SpringBootApplication
public class ProducerApplication {

    public static void main(String[] args) {
        ApplicationContext ac = SpringApplication.run(ProducerApplication.class, args);
        RabbitMqService rabbitMqService=(RabbitMqService) ac.getBean("rabbitmqService");
        for(int i=0;i < 10;i++){
//            rabbitMqService.sendMessage("RabbitMQ大爷你好！！！"+i);
             rabbitMqService.sendFanoutMessage(i+"用户欠费了");
        }
    }
}