AmazonSQSClient获取先进先出队列组的消息数

import com.amazonaws.services.sqs.AmazonSQS;
import com.amazonaws.services.sqs.AmazonSQSClientBuilder;
import com.amazonaws.services.sqs.model.GetQueueAttributesRequest;
import com.amazonaws.services.sqs.model.GetQueueAttributesResult;

public class SQSExample {
    public static void main(String[] args) {
        // 创建Amazon SQS客户端
        AmazonSQS sqsClient = AmazonSQSClientBuilder.defaultClient();

        // 队列URL
        String queueUrl = "your-queue-url";

        // 获取队列属性
        GetQueueAttributesRequest request = new GetQueueAttributesRequest()
                .withQueueUrl(queueUrl)
                .withAttributeNames("ApproximateNumberOfMessages");
        GetQueueAttributesResult result = sqsClient.getQueueAttributes(request);

        // 获取消息数
        int messageCount = Integer.parseInt(result.getAttributes().get("ApproximateNumberOfMessages"));
        System.out.println("FIFO队列组的消息数：" + messageCount);
    }
}