SpringBoot 整合 RabbitMQ

SpringBoot 整合 RabbitMQ

生产者

application.yml

# 配置 RabbitMQ 的基本信息
spring:
  rabbitmq:
    #    ip
    host: 192.168.36.100
    #    username
    username: ljt
    #    password
    password: ljt
    #    端口
    port: 5672
    virtual-host: /ljt

RabbitMQConfig

package com.www.mq.config;

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

/**
 * @author Www
 * @version 1.8
 * @since 2023/2/17  12:55 星期五
 */
@Configuration
public class RabbitMQConfig {
    /**
     * 交换机
     */
    public static final String EXCHANGE_NAME = "boot_topic_exchange";
    
    /**
     * 队列
     */
    public static final String QUEUE_NAME = "boot_queue";
    
    /**
     * 1、创建交换机
     *
     * @return
     */
    @Bean("bootExchange")
    public Exchange bootExchange() {
        return ExchangeBuilder
                .topicExchange(EXCHANGE_NAME)
                .durable(true)
                .build();
    }
    
    /**
     * 2、创建队列
     *
     * @return
     */
    @Bean("bootQueue")
    public Queue bootQueue() {
        return QueueBuilder
                .durable(QUEUE_NAME)
                .build();
    }
    
    /**
     * 队列和交互机绑定关系 Binding
     * <p>
     * 1. 知道哪个队列
     * <p>
     * 2. 知道哪个交换机
     * <p>
     * 3. routing key
     *
     * @param queue
     * @param exchange
     * @return
     */
    @Bean
    public Binding bindQueueExchange(
            @Qualifier("bootQueue") Queue queue,
            @Qualifier("bootExchange") Exchange exchange
    ) {
        return BindingBuilder.bind(queue)
                .to(exchange)
                .with("boot.#")
                .noargs();
    }
    
}

ProducerApplicationTests

package com.www.mq;

import com.www.mq.config.RabbitMQConfig;
import org.junit.jupiter.api.Test;
import org.junit.runner.RunWith;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

import javax.annotation.Resource;

@SpringBootTest
@RunWith(SpringRunner.class)
class ProducerApplicationTests {

	@Resource
	private RabbitTemplate rabbitTemplate;
	
	/**
	 * 发送消息
	 */
	@Test
	void testSend() {
		rabbitTemplate.convertAndSend(
				RabbitMQConfig.EXCHANGE_NAME,
				"boot.wl",
				"boot mq hello ...... mq"
		);
	}

}

消费者

application.yml

# 配置 RabbitMQ 的基本信息
spring:
  rabbitmq:
    #    ip
    host: 192.168.36.100
    #    username
    username: ljt
    #    password
    password: ljt
    #    端口
    port: 5672
    virtual-host: /ljt

RabbitMQListener

package com.www.mq.listener;

import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;

/**
 * @author Www
 * @version 1.8
 * @since 2023/2/17  13:19 星期五
 */
@Component
public class RabbitMQListener {
    
    /**
     * 监听队列
     *
     * @param message
     */
    @RabbitListener(queues = "boot_queue")
    public void ListenerQueue(Message message) {
        System.out.println("message = " + new String(message.getBody()));
    }
}

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