/// <summary>

        /// 服务器网络凭证

        /// </summary>

        /// <returns></returns>

        public NetworkCredential MyCredc(string loginUser, string loginPSW)

        {

            string loginHost = "";//主机名，可以是IP地址，也可以服务器名称

            NetworkCredential myCred = new NetworkCredential(loginUser, loginPSW);

            return myCred;

        }

try

     {

                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url + "?formInfo=" + JsonConvert.SerializeObject(obj));

                request.Credentials = MyCredc(adm, pas);  //凭证就是这玩意

                request.Headers.Add("CSRF_NONCE", acquireWindchillToken(tokenUrl));

                request.Method = "POST";

                using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)

                {

                    StreamReader reader = new StreamReader(response.GetResponseStream());

                }

            }

            catch (Exception ex)

            {

                throw new Exception(ex.Message);

            }
}