业务消费者

RabbitConsumerQpJ拜客生活常识网

复制代码12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182JAVApackage com.example.rabitmqdemo.mydemo.consumer;

import com.rabbitmq.client.Channel;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;

import java.io.IOException;

/**
 * 监听业务交换机
 * @author JeWang
 */
@Component
@Slf4j
public class RabbitConsumer {
    /**
     * 监听业务队列1
     * @param message
     * @param channel
     * @throws IOException
     */
    @RabbitListener(queues = "company")
    public void company(Message message, Channel channel) throws IOException {
        try{
            System.out.println("次数" + message.getMessageProperties().getDeliveryTag());
            channel.basicQos(1);
            Thread.sleep(2000);
            String s = new String(message.getBody());
            log.info("处理消息"+s);
            //下面两行是尝试手动抛出异常，用来测试重试次数和发送到死信交换机
            //String str = null;
            //str.split("1");
            //处理成功，确认应答
            channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
        }catch (Exception e){
            log.error("处理消息时发生异常："+e.getMessage());
            Boolean redelivered = message.getMessageProperties().getRedelivered();
            if(redelivered){
                log.error("异常重试次数已到达设置次数，将发送到死信交换机");
                channel.basicReject(message.getMessageProperties().getDeliveryTag(),false);
            }else {
                log.error("消息即将返回队列处理重试");
                channel.basicNack(message.getMessageProperties().getDeliveryTag(), false, true);
            }
        }
    }
    /**
     * 监听业务队列2
     * @param message
     * @param channel
     * @throws IOException
     */
    @RabbitListener(queues = "project")
    public void project(Message message, Channel channel) throws IOException {
        try{
            System.out.println("次数" + message.getMessageProperties().getDeliveryTag());
            channel.basicQos(1);
            Thread.sleep(2000);
            String s = new String(message.getBody());
            log.info("处理消息"+s);
            //下面两行是尝试手动抛出异常，用来测试重试次数和发送到死信交换机
            //String str = null;
            //str.split("1");
            //处理成功，确认应答
            channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
        }catch (Exception e){
            log.error("处理消息时发生异常："+e.getMessage());
            Boolean redelivered = message.getMessageProperties().getRedelivered();
            if(redelivered){
                log.error("异常重试次数已到达设置次数，将发送到死信交换机");
                channel.basicReject(message.getMessageProperties().getDeliveryTag(),false);
            }else {
                log.error("消息即将返回队列处理重试");
                channel.basicNack(message.getMessageProperties().getDeliveryTag(), false, true);
            }
        }
    }
}

死信消费者

RabbitConsumerQpJ拜客生活常识网

复制代码123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354JAVApackage com.example.rabitmqdemo.mydemo.consumer;

import com.rabbitmq.client.Channel;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.Message;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;

import java.io.IOException;

/**
 * 监听死信交换机
 * @author JeWang
 */
@Component
@Slf4j
public class RabbitConsumerDead {
    /**
     * 处理死信队列1
     * @param message
     * @param channel
     * @throws IOException
     */
    @RabbitListener(queues = "company_dead")
    public void company_dead(Message message, Channel channel) throws IOException {
        try{
            channel.basicQos(1);
            String s = new String(message.getBody());
            log.info("处理死信"+s);
            //在此处记录到数据库、报警之类的操作
            channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
        }catch (Exception e){
            log.error("接收异常："+e.getMessage());
        }
    }
    /**
     * 处理死信队列2
     * @param message
     * @param channel
     * @throws IOException
     */
    @RabbitListener(queues = "project_dead")
    public void project_dead(Message message, Channel channel) throws IOException {
        try{
            channel.basicQos(1);
            String s = new String(message.getBody());
            log.info("处理死信"+s);
            //在此处记录到数据库、报警之类的操作
            channel.basicAck(message.getMessageProperties().getDeliveryTag(), false);
        }catch (Exception e){
            log.error("接收异常："+e.getMessage());
        }
    }
}