C#使用无限循环多次尝试从外部源获取数据

using System;
using System.Net.Http;
using System.Threading.Tasks;

public class Program
{
    public static async Task Main()
    {
        bool isDataReceived = false;
        int maxAttempts = 5;
        int currentAttempt = 0;

        while (!isDataReceived && currentAttempt < maxAttempts)
        {
            try
            {
                using (HttpClient client = new HttpClient())
                {
                    HttpResponseMessage response = await client.GetAsync("https://example.com/api/data");
                    response.EnsureSuccessStatusCode();
                    string data = await response.Content.ReadAsStringAsync();

                    // 处理获取到的数据
                    Console.WriteLine("成功获取到数据：" + data);
                    isDataReceived = true;
                }
            }
            catch (Exception ex)
            {
                // 处理异常
                Console.WriteLine("获取数据时出现异常：" + ex.Message);
                currentAttempt++;
            }
        }

        if (!isDataReceived)
        {
            Console.WriteLine("尝试多次获取数据失败。");
        }
    }
}