SpringBoot3整合RabbitMQ之三_工作队列模型案例

2. 工作队列模型

1. 消息发布者

1. 创建工作队列的配置类

package com.happy.msg.config;import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.QueueBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;/*** <p>** @Description: 工作队列模型_创建名称为 work_queue 的队列 <br>* </p>* @Datetime: 2024/3/27 18:18* @Author: Yuan · JinSheng <br>* @Since 2024/3/27 18:18*/
@Configuration
public class WorkQueueConfig {@BeanQueue workQueue() {return QueueBuilder.durable("work_queue").build();}
}

2. 发布消费Controller

package com.happy.msg.publisher;import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;/*** <p>** @Description: 生产消息的控制器 <br>* </p>* @Datetime: 2024/3/27 10:53* @Author: Yuan · JinSheng <br>* @Since 2024/3/27 10:53*/
@RestController
@RequestMapping("/work")
public class WorkQueuePublisherController {@Autowiredprivate RabbitTemplate rabbitTemplate;@GetMapping("/send")public String sentMessage() {for (int i = 1; i <=10 ; i++) {rabbitTemplate.convertAndSend("work_queue", "work_queue队列第["+i+"]条消息,hello,rabbitmq"+i);}return "发送成功";}
}

2. 消息消费者One

package com.happy.msg.consumer;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.time.LocalDateTime;
/*** <p>* @Description: 工作队列模型_消息消费者一 <br>* </p>* @Datetime: 2024/3/28 20:28* @Author: Yuan · JinSheng <br>* @Since 2024/3/28 20:28*/
@Slf4j
@Component
public class WorkQueueConsumerOne {/**** @param message 消息* @Description: 监听work_queue队列中的消息，当客户端启动后，work_queue队列中的所有的消息都被此消费者消费并打印* @Author: Yuan · JinSheng*/@RabbitListener(queues = "work_queue")public void msg(Message message){byte[] messageBody = message.getBody();String msg = new String(messageBody);log.info("WorkQueueConsumerOne接收到work_queue队列中的消息==={},===接收时间==={}",msg, LocalDateTime.now());}
}

1. 输出结果

WorkQueueConsumerOne接收到work_queue队列中的消息===work_queue队列第[1]条消息,hello,rabbitmq1,===接收时间===2024-03-29T10:34:34.468074100
WorkQueueConsumerOne接收到work_queue队列中的消息===work_queue队列第[3]条消息,hello,rabbitmq3,===接收时间===2024-03-29T10:34:34.469081600
WorkQueueConsumerOne接收到work_queue队列中的消息===work_queue队列第[5]条消息,hello,rabbitmq5,===接收时间===2024-03-29T10:34:34.469976
WorkQueueConsumerOne接收到work_queue队列中的消息===work_queue队列第[7]条消息,hello,rabbitmq7,===接收时间===2024-03-29T10:34:34.469976
WorkQueueConsumerOne接收到work_queue队列中的消息===work_queue队列第[9]条消息,hello,rabbitmq9,===接收时间===2024-03-29T10:34:34.470811800

3. 消息消费者Two

package com.happy.msg.consumer;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.time.LocalDateTime;
/*** <p>* @Description: 工作队列模型_消息消费者二<br>* </p>* @Datetime: 2024/3/28 20:30* @Author: Yuan · JinSheng <br>* @Since 2024/3/28 20:30*/
@Slf4j
@Component
public class WorkQueueConsumerTwo {/**** @param message 消息* @Description: 监听work_queue队列中的消息，当客户端启动后，work_queue队列中的所有的消息都被此消费者消费并打印* @Author: Yuan · JinSheng*/@RabbitListener(queues = "work_queue")public void msg(Message message){byte[] messageBody = message.getBody();String msg = new String(messageBody);log.info("WorkQueueConsumerTwo接收到work_queue队列中的消息==={},===接收时间==={}",msg, LocalDateTime.now());}
}

4. 消息消费者Three

package com.happy.msg.consumer;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.time.LocalDateTime;
/*** <p>* @Description: 工作队列模型_消息消费者三<br>* </p>* @Datetime: 2024/3/28 20:30* @Author: Yuan · JinSheng <br>* @Since 2024/3/28 20:30*/
@Slf4j
@Component
public class WorkQueueConsumerTwo {/**** @param message 消息* @Description: 监听work_queue队列中的消息，当客户端启动后，work_queue队列中的所有的消息都被此消费者消费并打印* @Author: Yuan · JinSheng*/@RabbitListener(queues = "work_queue")public void msg(Message message){byte[] messageBody = message.getBody();String msg = new String(messageBody);//log.info("WorkQueueConsumerTwo接收到work_queue队列中的消息==={},===接收时间==={}",msg, LocalDateTime.now());System.out.println("WorkQueueConsumerTwo接收到work_queue队列中的消息==="+msg+",===接收时间==="+LocalDateTime.now());}
}

5. 输出结果

可看到消息被三个消费者按相等数量消费,总共10条消息，消费者1消费了4条，其他两个消费者消费了3条消息

WorkQueueConsumerTwo接收到work_queue队列中的消息===work_queue队列第[3]条消息,hello,rabbitmq3,===接收时间===2024-03-29T10:39:32.942546200
WorkQueueConsumerThree接收到work_queue队列中的消息===work_queue队列第[2]条消息,hello,rabbitmq2,===接收时间===2024-03-29T10:39:32.942546200
WorkQueueConsumerOne接收到work_queue队列中的消息===work_queue队列第[1]条消息,hello,rabbitmq1,===接收时间===2024-03-29T10:39:32.942037700
WorkQueueConsumerTwo接收到work_queue队列中的消息===work_queue队列第[6]条消息,hello,rabbitmq6,===接收时间===2024-03-29T10:39:32.943806300
WorkQueueConsumerOne接收到work_queue队列中的消息===work_queue队列第[4]条消息,hello,rabbitmq4,===接收时间===2024-03-29T10:39:32.944336900
WorkQueueConsumerTwo接收到work_queue队列中的消息===work_queue队列第[9]条消息,hello,rabbitmq9,===接收时间===2024-03-29T10:39:32.944336900
WorkQueueConsumerThree接收到work_queue队列中的消息===work_queue队列第[5]条消息,hello,rabbitmq5,===接收时间===2024-03-29T10:39:32.944336900
WorkQueueConsumerOne接收到work_queue队列中的消息===work_queue队列第[7]条消息,hello,rabbitmq7,===接收时间===2024-03-29T10:39:32.944336900
WorkQueueConsumerOne接收到work_queue队列中的消息===work_queue队列第[10]条消息,hello,rabbitmq10,===接收时间===2024-03-29T10:39:32.944336900
WorkQueueConsumerThree接收到work_queue队列中的消息===work_queue队列第[8]条消息,hello,rabbitmq8,===接收时间===2024-03-29T10:39:32.944336900