varticket=newFormsAuthenticationTicket( , user.Username, now, now.Add(_expirationTimeSpan), createPersistentCookie, user.Username, FormsAuthentication.FormsCookiePath); // 加密ticker对象 varencryptedTicket=FormsAuthentication.Encrypt(ticket); // 通过加密ticker对象构建HttpCookie对象 varcookie=newHttpCookie(Form...