接上一篇文章,在application配置文件中添加如下配置:
## 消息手动确认 spring.rabbitmq.listener.simple.acknowledge-mode=manual
这样就开启了消息手动确认,然后再消费者端代码中加上如下代码进行业务处理完后的消息确认删除消息:
package com.example.demo.consumer; import com.rabbitmq.client.Channel; import org.springframework.amqp.core.Message; import org.springframework.amqp.rabbit.annotation.RabbitListener; import org.springframework.stereotype.Component; import java.io.IOException; /** * Created by yanggm */ @Component public class ReceiveDirect { @RabbitListener(queues = "my-queue") public void receiveMessage(Message message, Channel channel){ String messageRec = new String(message.getBody()); System.out.println("接收到的字符串消息是 => " + messageRec); try { channel.basicAck(message.getMessageProperties().getDeliveryTag(), false); } catch (IOException e) { e.printStackTrace(); } } }
其他消息模式以及具体案例见github上面的demo源代码,地址如下:
https://github.com/xigpz/rabbitmq.git