【.Net】HttpClient 的使用

     class Program
     {
         public static HttpClient Client;
         static HttpResponseMessage response;

         static void Main(string[] args)
         {

             var httpClient = new HttpClient();
             string url = "http://127.0.0.1/Manager/Login.aspx";
             List<KeyValuePair<String, String>> paramList = new List<KeyValuePair<String, String>>();
             paramList.Add(new KeyValuePair<string, string>("Username", ""));
             paramList.Add(new KeyValuePair<string, string>("Password", ""));
             response = httpClient.PostAsync(new Uri(url), new FormUrlEncodedContent(paramList)).Result;
             string result = response.Content.ReadAsStringAsync().Result;

             paramList = new List<KeyValuePair<string, string>>();
             paramList.Add(new KeyValuePair<string, string>("PageIndex", ""));
             paramList.Add(new KeyValuePair<string, string>("PageSize", ""));

             url = "http://127.0.0.1/News/NewsList.aspx";
             response = httpClient.PostAsync(new Uri(url), new FormUrlEncodedContent(paramList)).Result;
             result = response.Content.ReadAsStringAsync().Result;
             Console.WriteLine(result);
             Console.Read();

         }

     }

.net framework 4.5 及其以上