Example of C# code implementation of SMS verification code interface

using System; 
using ; 
using ; 
using ; 
using ; 
using .X509Certificates; 
using ; 
using ; 
using ; 
using ; 
using ;
using ;
public class Test
{
    private static readonly string DefaultUserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)"; 
 
    private static bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors) 
    { 
      return true; //Always accept    } 
   static void Main(string[] args) 
    { 
      DateTime dt = ; 
      string mttime = ("yyyyMMddHHmmss");
      string pwd1 = "*************"+mttime;
   string pwd = GetMD5(pwd1)
      string content = "【Reading Letter】Verification code 888888, you can't tell others even if you beat me to death.";
      string url = "http://183.203.28.226:9000/HttpSmsMt"; 
      Encoding encoding = ("utf-8"); 
      IDictionary<string, string> parameters = new Dictionary<string, string>(); 
      ("name", "****"); 
      ("pwd", pwd); 
      ("content",content);
      ("phone","13381272353");
      ("subid","");
      ("mttime", mttime); 
      HttpWebResponse response = CreatePostHttpResponse(url,parameters,encoding); 
      //Print return value      Stream stream = ();  //Get the response string stream      StreamReader sr = new StreamReader(stream); //Create a stream read stream      string html = ();  //Read from beginning to end and put it into the string html      (html);  
    }
      public static string GetMD5(string myString) 
    {
      MD5 md5 = new MD5CryptoServiceProvider();
      // byte[] fromData = (myString);
      byte[] fromData = (myString);
      byte[] targetData = (fromData);
      string byte2String = null;
      for(int i=0;i<;i++) 
      {
        byte2String+= targetData[i].ToString("x");
      }
      return byte2String;
    } 
      public static HttpWebResponse CreatePostHttpResponse(string url, IDictionary<string, string> parameters,Encoding charset) 
    { 
      HttpWebRequest request = null; 
      //HTTPS request       = new RemoteCertificateValidationCallback(CheckValidationResult); 
      request = (url) as HttpWebRequest; 
       = HttpVersion.Version10; 
       = "POST"; 
       = "application/x-www-form-urlencoded"; 
       = DefaultUserAgent; 
      //If POST data is required      if (!(parameters == null ||  == 0)) 
      { 
        StringBuilder buffer = new StringBuilder(); 
        int i = 0; 
        foreach (string key in ) 
        { 
          if (i > 0) 
          { 
            ("&{0}={1}", key, parameters[key]); 
          } 
          else 
          { 
            ("{0}={1}", key, parameters[key]); 
          } 
          i++; 
        } 
        byte[] data = (()); 
        using (Stream stream = ()) 
        { 
          (data, 0, ); 
        } 
      } 
      return () as HttpWebResponse; 
    } 
}