[Authorize]

publi void calogin()

{

 HttpCookie ticketCookie = Request.Cookies[FormsAuthentication.FormsCookieName];

FormsAuthenticationTicket ticket = FormsAuthentication.Decrypt(ticketCookie.Value);

userId = ticket.Name;

CasAuthenticationTicket casTicket = CasAuthentication.ServiceTicketManager.GetTicket(ticket.UserData);

                userName = casTicket.Assertion.Attributes["user_account"][0];

}

HttpHelper httpHelper = new HttpHelper();

                var usersStr = "";

                var sysId = "xxx";

                httpHelper.PostUrl(caServerUrl + "/interface/queryFinalUser", //待替换

                    Encoding.Default.GetBytes("appId=" + sysId),

                    Encoding.Default, new Action<System.IO.Stream>(delegate(System.IO.Stream stream)

                    {

                        usersStr = new StreamReader(stream, Encoding.UTF8).ReadToEnd().Replace("null", "\"\"");

                    }

                ));