在cUrl C# .Net中转换cUrl PHP

using System;
using System.Net.Http;

class Program
{
    static async System.Threading.Tasks.Task Main(string[] args)
    {
        using (HttpClient client = new HttpClient())
        {
            // 设置请求的URL
            string url = "https://example.com/api";
            
            // 创建一个HttpRequestMessage对象，并设置请求方法和URL
            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, url);
            
            // 添加请求头
            request.Headers.Add("User-Agent", "Mozilla/5.0");
            
            // 发送请求，并获取响应
            HttpResponseMessage response = await client.SendAsync(request);
            
            // 检查响应状态码
            if (response.IsSuccessStatusCode)
            {
                // 读取响应内容
                string content = await response.Content.ReadAsStringAsync();
                Console.WriteLine(content);
            }
            else
            {
                Console.WriteLine("请求失败：" + response.StatusCode);
            }
        }
    }
}