public AjaxResult CheckSso(HttpContextBase httpContext)
 {
     AjaxResult ajaxResult = new AjaxResult();
     User user = (User)httpContext.Session[Constants.USER_KEY];
     if (user == null)
     {
         ajaxResult.flag = false;
         ajaxResult.message = "session is null";
     }
     else
     {
         String[] result = sysOperatorService.CheckSso(user.SysOperator.ID, httpContext.Session.SessionID).Split(new char[] { '|' });
         ajaxResult.attachment = user.SysOperator;
         ajaxResult.dateTime = DateTime.Now;
         if (Convert.ToBoolean(result[0]))
         {
             ajaxResult.flag = true;
             ajaxResult.message = "ok";
         }
         else
         {
             httpContext.Session.Clear();
             httpContext.Session.Abandon();
             ajaxResult.flag = false;
             ajaxResult.message = "有相同用户登陆或同一机器两用户登陆,您已被系统强制退出!";
         }
     }
     return ajaxResult;
 }
 public ActionResult Json()
 {
     AjaxResult result = new AjaxResult();
     result.message = "information信息";
     result.dateTime = DateTime.Now;
     result.attachment = new TreeNode();
     return Json(result,JsonRequestBehavior.AllowGet);
 }