高效的Session讀寫

private static User currentUser = null; /**//// /// 當前用戶 /// public static User CurrentUser{ get{ if(currentUser != null && HttpContext.Current.Session["LoginUser"] != null) return currentUser; if(HttpContext.Current.Session["LoginUser"] != null){ currentUser = (User)HttpContext.Current.Session["LoginUser"]; return currentUser; } if(currentUser != null && HttpContext.Current.Session["LoginUser"] == null){ return currentUser; } //沒有登陸的用戶,自動讀取cookie登陸 currentUser = new PopForum.Common.Entity.User(); HttpCookie c = HttpContext.Current.Request.Cookies["UserInfo"]; if(c!=null && c.Value!=""){ FormsAuthenticationTicket ticket = FormsAuthentication.Decrypt(c.Value); Common.DataMapping.UserInfo info = null; Users users = new Users(); int r = users.CheckUser(ticket.Name,out info); if(r==1){ currentUser.UserId = info.UserId; currentUser.UserName = info.UserName; currentUser.Status = (Common.UserStatus)info.UserStatus; currentUser.Point = info.Point; DataTable table = DataBase.ExecuteSQLTable("select rr.rightid from t_roleright rr,t_userrole ur where rr.roleid=ur.roleid and ur.userid="+currentUser.UserId.ToString()); foreach(DataRow row in table.Rows){ currentUser.Rights.Add((Common.Right)row["rightid"]); } //判斷用戶是否有系統管理權限 if(currentUser.HaveRight(Common.Right.SiteAdmin)){ //更新用戶登陸信息 users.LoginUpdate(ref info,currentUser); currentUser.Point = info.Point; Sessioner.Add("LoginUser",currentUser); } //判斷網站是否關閉，但管理員可以登陸 else if(Common.Configs.ForumConfig.SiteConfiger.CloseFlag){ throw new CtyException("網站被關閉,暫時無法訪問",DealType.RediretErrorPage); } // //判斷是否允許登陸 // else if(!Common.Configs.ForumConfig.SiteConfiger.LoginFlag){ // throw new CtyException("登陸被禁止,暫時無法登陸",DealType.RediretErrorPage); // } else{ users.LoginUpdate(ref info,currentUser); currentUser.Point = info.Point; Sessioner.Add("LoginUser",currentUser); } } }else{ //匿名用戶 if(!Common.Configs.ForumConfig.SiteConfiger.AnonymousFlag) throw new CtyException("網站不允許匿名用戶訪問",DealType.RediretErrorPage); } return currentUser; }set{ Sessioner.Add("LoginUser",value); currentUser = value; } }