[WebMethod]
    public string Project(string paramaters)
    {
      return paramaters;
    }

public string Post(string methodName, string jsonParas)
    {
      string strURL = Url + "/" + methodName;

      //創(chuàng)建一個HTTP請求 
      HttpWebRequest request = (HttpWebRequest)WebRequest.Create(strURL);
      //Post請求方式 
      request.Method = "POST";
      //內(nèi)容類型
      request.ContentType = "application/x-www-form-urlencoded";

      //設(shè)置參數(shù)，并進(jìn)行URL編碼 
      //雖然我們需要傳遞給服務(wù)器端的實(shí)際參數(shù)是JsonParas(格式：[{\"UserID\":\"0206001\",\"UserName\":\"ceshi\"}])，
      //但是需要將該字符串參數(shù)構(gòu)造成鍵值對的形式（注："paramaters=[{\"UserID\":\"0206001\",\"UserName\":\"ceshi\"}]"），
      //其中鍵paramaters為WebService接口函數(shù)的參數(shù)名，值為經(jīng)過序列化的Json數(shù)據(jù)字符串
      //最后將字符串參數(shù)進(jìn)行Url編碼
      string paraUrlCoded = System.Web.HttpUtility.UrlEncode("paramaters");
      paraUrlCoded += "=" + System.Web.HttpUtility.UrlEncode(jsonParas);

      byte[] payload;
      //將Json字符串轉(zhuǎn)化為字節(jié) 
      payload = System.Text.Encoding.UTF8.GetBytes(paraUrlCoded);
      //設(shè)置請求的ContentLength  
      request.ContentLength = payload.Length;
      //發(fā)送請求，獲得請求流 

      Stream writer;
      try
      {
        writer = request.GetRequestStream();//獲取用于寫入請求數(shù)據(jù)的Stream對象
      }
      catch (Exception)
      {
        writer = null;
        Console.Write("連接服務(wù)器失敗!");
      }
      //將請求參數(shù)寫入流
      writer.Write(payload, 0, payload.Length);
      writer.Close();//關(guān)閉請求流

      String strValue = "";//strValue為http響應(yīng)所返回的字符流
      HttpWebResponse response;
      try
      {
        //獲得響應(yīng)流
        response = (HttpWebResponse)request.GetResponse();
      }
      catch (WebException ex)
      {
        response = ex.Response as HttpWebResponse;
      }

      Stream s = response.GetResponseStream();

      //服務(wù)器端返回的是一個XML格式的字符串，XML的Content才是我們所需要的Json數(shù)據(jù)
      XmlTextReader Reader = new XmlTextReader(s);
      Reader.MoveToContent();
      strValue = Reader.ReadInnerXml();//取出Content中的Json數(shù)據(jù)
      Reader.Close();
      s.Close();

      return strValue;//返回Json數(shù)據(jù)
    }