Spring boot rabbitmq队列计数？

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-amqp</artifactId>
</dependency>

spring.rabbitmq.host=your_rabbitmq_host
spring.rabbitmq.port=your_rabbitmq_port
spring.rabbitmq.username=your_rabbitmq_username
spring.rabbitmq.password=your_rabbitmq_password

import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component
public class MessageSender {

    private final RabbitTemplate rabbitTemplate;

    @Autowired
    public MessageSender(RabbitTemplate rabbitTemplate) {
        this.rabbitTemplate = rabbitTemplate;
    }

    public void sendMessage(String message) {
        rabbitTemplate.convertAndSend("your_queue_name", message);
    }
}

import org.springframework.web.client.RestTemplate;

public class QueueCounter {

    public int getMessageCount() {
        RestTemplate restTemplate = new RestTemplate();
        String url = "http://your_rabbitmq_host:15672/api/queues/%2F/your_queue_name";
        String username = "your_rabbitmq_username";
        String password = "your_rabbitmq_password";
        HttpHeaders headers = new HttpHeaders();
        headers.setBasicAuth(username, password);
        HttpEntity<String> entity = new HttpEntity<>(headers);
        ResponseEntity<Map> response = restTemplate.exchange(url, HttpMethod.GET, entity, Map.class);
        Map<String, Object> queueInfo = response.getBody();
        int messageCount = (int) queueInfo.get("messages");
        return messageCount;
    }
}