spring boot rabbitmq常用配置

直接上代码

java 复制代码
package com.example.demo;

import org.aopalliance.aop.Advice;
import org.springframework.amqp.rabbit.annotation.RabbitListenerConfigurer;
import org.springframework.amqp.rabbit.config.SimpleRabbitListenerContainerFactory;
import org.springframework.amqp.rabbit.connection.ConnectionFactory;
import org.springframework.amqp.rabbit.core.RabbitAdmin;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.rabbit.listener.RabbitListenerEndpointRegistrar;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.messaging.converter.MappingJackson2MessageConverter;
import org.springframework.messaging.handler.annotation.support.DefaultMessageHandlerMethodFactory;
import org.springframework.messaging.handler.annotation.support.MessageHandlerMethodFactory;
import org.springframework.retry.interceptor.RetryInterceptorBuilder;
import org.springframework.retry.interceptor.RetryOperationsInterceptor;

@Configuration
public class RabbitMqConfig implements RabbitListenerConfigurer {
    public RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory, BeforePublishPostProcessor messagePostProcessor){
        RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);
        rabbitTemplate.setMessageConverter(new Jackson2JsonMessageConverter());
        rabbitTemplate.setBeforePublishPostProcessors(messagePostProcessor);
        return rabbitTemplate;
    }

    public Jackson2JsonMessageConverter producerJackson2MessageConverter(){
        return new Jackson2JsonMessageConverter();
    }

    @Override
    public void configureRabbitListeners(RabbitListenerEndpointRegistrar registrar) {
        registrar.setMessageHandlerMethodFactory(messageHandlerMethodFactory());
    }

    public MessageHandlerMethodFactory messageHandlerMethodFactory(){
        DefaultMessageHandlerMethodFactory messageHandlerMethodFactory = new DefaultMessageHandlerMethodFactory();
        messageHandlerMethodFactory.setMessageConverter(consumerJackson2MessageConverter());
        return messageHandlerMethodFactory;
    }

    public MappingJackson2MessageConverter consumerJackson2MessageConverter(){
        return new MappingJackson2MessageConverter();
    }
    /**
    * 使用的时候在
    * @RabbitListener(containerFactory="containerFactory")
    */
	@Bean("containerFactory")
    public SimpleRabbitListenerContainerFactory containerFactory(ConnectionFactory connectionFactory,
                                                                 AfterReceivePostProcessor messagePostProcessor,
                                                                 RabbitErrorHandler rabbitErrorHandler){
        SimpleRabbitListenerContainerFactory factory = new SimpleRabbitListenerContainerFactory();
        factory.setConnectionFactory(connectionFactory);
        factory.setMessageConverter(new Jackson2JsonMessageConverter());
        factory.setAfterReceivePostProcessors(messagePostProcessor);
        factory.setErrorHandler(rabbitErrorHandler);
        factory.setDefaultRequeueRejected(false);
        factory.setAdviceChain(new Advice[]{getRetryOperationsInterceptor()});
        return factory;
    }
	/**
	* 防止队列出错无限次重试
	*/
    private RetryOperationsInterceptor getRetryOperationsInterceptor(){
        return RetryInterceptorBuilder.stateless().maxAttempts(3)
                .backOffOptions(10000,2,30000)
                .build();
    }
	/**
	* 配置了交换机队列以及绑定的配置类上加@DependsOn("rabbitAdmin")
	* 可以防止交换机队列以及绑定无法创建的问题
	* rabbitAdmin创建一定要在前
	*/
    public RabbitAdmin rabbitAdmin(ConnectionFactory connectionFactory){
        RabbitAdmin rabbitAdmin = new RabbitAdmin(connectionFactory);
        rabbitAdmin.setAutoStartup(true);
        return rabbitAdmin;
    }
}

AfterReceivePostProcessor

java 复制代码
package com.example.demo;

import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.AmqpException;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessagePostProcessor;
import org.springframework.stereotype.Component;

@Component
@Slf4j
public class AfterReceivePostProcessor implements MessagePostProcessor {
    @Override
    public Message postProcessMessage(Message message) throws AmqpException {
        log.info("接收消息属性={},body={}",message.getMessageProperties(),new String(message.getBody()));
        return message;
    }
}

BeforePublishPostProcessor

java 复制代码
package com.example.demo;

import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.AmqpException;
import org.springframework.amqp.core.Correlation;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.core.MessagePostProcessor;
import org.springframework.stereotype.Component;

@Component
@Slf4j
public class BeforePublishPostProcessor implements MessagePostProcessor {
    @Override
    public Message postProcessMessage(Message message) throws AmqpException {
        return message;
    }

    @Override
    public Message postProcessMessage(Message message, Correlation correlation, String exchange, String routingKey) {
        log.info("发送的消息MessageProperties={},body={},correlation={},exchange={},routingKey={}",message.getMessageProperties(),message.getBody(),correlation,exchange,routingKey);
        return MessagePostProcessor.super.postProcessMessage(message, correlation, exchange, routingKey);
    }
}

RabbitErrorHandler

java 复制代码
package com.example.demo;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.util.ErrorHandler;

@Slf4j
@Component
public class RabbitErrorHandler implements ErrorHandler {

    @Override
    public void handleError(Throwable t) {
        log.error(t.getMessage(),t);
    }
}
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