using System;

using System.Net.Http;

using System.Text;

using System.Threading.Tasks;

class Program

{

    static async Task Main(string[] args)

    {

        try

        {

            // 創(chuàng)建HttpClient實(shí)例

            using (HttpClient client = new HttpClient())

            {

                // 設(shè)置基本的HTTP身份驗(yàn)證賬號密碼

                string username = "your_username";

                string password = "your_password";

                string encodedCredentials = Convert.ToBase64String(Encoding.ASCII.GetBytes($"{username}:{password}"));

                client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", encodedCredentials);

                // 構(gòu)造XML請求消息

                string xmlRequest = @"<?xml version=""1.0"" encoding=""utf-8""?>

                                      <Request>

                                          <Data>Here is some text data</Data>

                                      </Request>";

                // 設(shè)置請求內(nèi)容類型為XML

                HttpContent content = new StringContent(xmlRequest, Encoding.UTF8, "text/xml");

                // 發(fā)送請求并獲取響應(yīng)

                HttpResponseMessage response = await client.PostAsync("YourEndpointHere", content);

                // 檢查響應(yīng)狀態(tài)

                if (response.IsSuccessStatusCode)

                {

                    // 處理成功響應(yīng)

                    string responseContent = await response.Content.ReadAsStringAsync();

                    Console.WriteLine("Response: " + responseContent);

                }

                else

                {

                    // 處理錯(cuò)誤響應(yīng)

                    Console.WriteLine("Error: " + response.StatusCode);

                }

            }

        }

        catch (Exception ex)

        {

            Console.WriteLine("Exception: " + ex.Message);

        }

    }

}