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using System.Net;
using System.IO;
using System.Web;
/********************
 **C# HTTP Request請求程序模擬***
 * * 向服務器送出請求   * */
public string SendRequest(string param)  {
       ASCIIEncoding encoding = new ASCIIEncoding();
       byte[] data = encoding.GetBytes(param);
       HttpWebRequest request =   (HttpWebRequest)HttpWebRequest.Create(this.url);
       request.Method = "POST";
       request.ContentType = "application/x-www-form-urlencoded";
       request.ContentLength = data.Length;
       Stream sm = request.GetRequestStream();
       sm.Write(data, 0, data.Length);
       sm.Close();
       HttpWebResponse response =   (HttpWebResponse)request.GetResponse();
       if (response.StatusCode.ToString() != "OK")  {
          MessageBox.Show(response.StatusDescription.ToString());
          return "";
       }
       StreamReader myreader = new StreamReader(  response.GetResponseStream(), Encoding.UTF8);
       string responseText = myreader.ReadToEnd();
       return responseText;
}
/**C# HTTP Request請求程序模擬
 ** 進行UTF-8的URL編碼轉換(針對漢字參數)
 * * */
public string EncodeConver(string instring)  {
       return HttpUtility.UrlEncode(instring, Encoding.UTF8);
}
/**C# HTTP Request請求程序模擬
 ** 進行登錄操作並返回相應結果
 * * */
public bool DoLogin(string username,   string password)  {
       password = System.Web.Security.FormsAuthentication.  HashPasswordForStoringInConfigFile(password, "MD5");
       string param = string.Format("do=login&u={0}&p={1}",   this.EncodeConver(username), this.EncodeConver(password));
       string result = this.SendRequest(param);
       // MessageBox.Show(result); 解析 Result ,我這裡是作為一個XML Document來解析的
       return true;
}