springboot 整合 rabbitmq

1.pom

        
            org.springframework.boot
            spring-boot-starter-web
        
        
            org.springframework.boot
            spring-boot-starter-amqp
        

2.yml

spring:
  application:
    name: rabbitmq-server
  rabbitmq:
    host: localhost
    port: 5672
    publisher-/confirm/is: true
    publisher-returns: true
    username: admin
    password: admin
    virtual-host: /

3.配置

package com.study.config;

import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.AcknowledgeMode;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.rabbit.config.SimpleRabbitListenerContainerFactory;
import org.springframework.amqp.rabbit.connection.CachingConnectionFactory;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.boot.autoconfigure.amqp.RabbitProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;

@Configuration
public class RabbitMQConfig {

    @Bean
    public Queue queue(){
        return new Queue("queue1", true);
    }

    @Bean
    public ConnectionFactory connectionFactory(RabbitProperties properties){
        CachingConnectionFactory connectionFactory = new CachingConnectionFactory();
        connectionFactory.setHost(properties.getHost());
        connectionFactory.setUsername(properties.getUsername());
        connectionFactory.setPassword(properties.getPassword());
        connectionFactory.setVirtualHost(properties.getVirtualHost());
        connectionFactory.setCacheMode(CachingConnectionFactory.CacheMode.CHANNEL);
        connectionFactory.setChannelCacheSize(10);
        connectionFactory.setPort(properties.getPort());
        connectionFactory.setRequestedHeartBeat(60);
        connectionFactory.setPublisherConfirms(true);
        connectionFactory.setPublisherReturns(true);
        return connectionFactory;
    }

    @Bean
    public RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory){
        RabbitTemplate rabbitTemplate = new RabbitTemplate();
        rabbitTemplate.setConnectionFactory(connectionFactory);
        rabbitTemplate.setMandatory(false);
        
        rabbitTemplate.setReturnCallback((message, replyCode, replyText, exchange, routingKey) -> {
            System.out.println("returnCallback replyCode:"+ replyCode);
            System.out.println("returnCallback replyText:"+ replyText);
            System.out.println("returnCallback routingKey:"+ routingKey);
        });
        
        rabbitTemplate.setConfirmCallback((correlationData, ack, cause) -> {
            System.out.println("confirmCallback ack:" + ack);
            System.out.println("confirmCallback cause:"+ cause);
        });
        return rabbitTemplate;
    }

    @Bean("simpleRabbitListenerContainerFactory")
    public SimpleRabbitListenerContainerFactory simpleRabbitListenerContainerFactory(ConnectionFactory connectionFactory){
        SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory();
        factory.setConnectionFactory(connectionFactory);
        factory.setAcknowledgeMode(AcknowledgeMode.MANUAL);//手动ack
        factory.setConcurrentConsumers(5);
        factory.setMaxConcurrentConsumers(10);
        return factory;
    }

    @RabbitHandler
    @RabbitListener(queues = "queue1", containerFactory = "simpleRabbitListenerContainerFactory" )
    public void consumer(Message message, Channel channel) throws IOException {
        try {
            System.out.println(message.toString());
            channel.basicAck(message.getMessageProperties().getDeliveryTag(), true);
        } catch (IOException e) {
            channel.basicNack(message.getMessageProperties().getDeliveryTag(), true, false);
        }
    }
}