C#发送web请求，但在失败时不引发异常

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

public class Program
{
    public static async Task Main()
    {
        try
        {
            using (HttpClient client = new HttpClient())
            {
                HttpResponseMessage response = await client.GetAsync("https://example.com");
                response.EnsureSuccessStatusCode(); // 确保请求成功，否则会引发异常

                // 处理响应数据
                string responseBody = await response.Content.ReadAsStringAsync();
                Console.WriteLine(responseBody);
            }
        }
        catch (HttpRequestException ex)
        {
            // 处理请求异常
            Console.WriteLine($"请求失败：{ex.Message}");
        }
    }
}