/// <summary>
 /// 
 /// </summary>
 /// <param name="sina_id"></param>
 /// <returns></returns>
 public WeiboUserModel GetUserModel(string sina_id)
 {
     WeiboUserModel data = new WeiboUserModel();
     var dt = cdc.E_Card2012_UserInfo.Single(ui => ui.SinaId == sina_id);
     data.id = dt.Id;
     data.name = dt.NikeName;
     data.faceimage = cdc.E_Card2012_UserFace.Single(euf => euf.UserId == dt.Id).HeadUrl;
     return data;
 }
 /// <summary>
 /// 获取数据
 /// </summary>
 /// <returns></returns>
 protected string WeiboUser_data()
 {
     WeiboUserModel weibo_user = new WeiboUserModel();
     var _IsOk = false;
     var _ErrorMessage = "";
     var data = new
     {
         Sei = weibo_user,
         IsOk = _IsOk,
         ErrorMessage = _ErrorMessage
     };
     try
     {
         // Sina
         if (Session["username"] != null)
         {
             var name = Session["username"].ToString();
             weibo_user.name = name.Length > 6 ? name.Substring(0, 6) + "..." : name;
         }
         else
         {
             weibo_user.name = "";
         }
         if (Session["userid"] != null)
         {
             weibo_user.id = Convert.ToInt32(Session["userid"]);
         }
         else
         {
             weibo_user.id = 0;
         }
         if (Session["userfaceimg"] != null)
         {
             weibo_user.faceimage = Session["userfaceimg"].ToString();
         }
         else { weibo_user.faceimage = ""; }
         if (weibo_user.name == "" || weibo_user.faceimage == "" || weibo_user.id == 0)
         {
             _IsOk = true;
             _ErrorMessage = "你还未登陆";
         }
         else
         {
             _IsOk = true;
         }
         data = new
         {
             Sei = weibo_user,
             IsOk = _IsOk,
             ErrorMessage = _ErrorMessage
         };
         // }
     }
     catch (Exception ex)
     {
         _IsOk = false;
         _ErrorMessage = "获取登录信息失败!";
         data = new
         {
             Sei = weibo_user,
             IsOk = _IsOk,
             ErrorMessage = _ErrorMessage
         };
     }
     return JavaScriptConvert.SerializeObject(data);
 }