void context_PostUserUpdate(User user, HHEventArgs e)
        {
            ActivityItem item    = null;
            string       content = string.Empty;

            if (e.State == ObjectState.Create)
            {
                item    = ActivityManager.GetActivityItem("UserCreate");
                content = string.Format("用户{0}于{1}注册系统", user.UserName, DateTime.Now.ToString("yyyy-MM-dd HH:mm"));
            }
            else if (e.State == ObjectState.Update)
            {
                item    = ActivityManager.GetActivityItem("UserUpdate");
                content = string.Format("用户{0}于{1}更新个人信息", user.UserName, DateTime.Now.ToString("yyyy-MM-dd HH:mm"));
            }
            else if (e.State == ObjectState.Delete)
            {
                item    = ActivityManager.GetActivityItem("UserDelete");
                content = string.Format("用户{0}于{1}删除账号{2}", GlobalSettings.GetCurrentUser().UserName,
                                        DateTime.Now.ToString("yyyy-MM-dd HH:mm"), user.UserName);
            }
            if (item != null && item.IsEnabled)
            {
                UserActivity activity = new UserActivity();
                activity.ActivityUser    = GlobalSettings.GetCurrentUser().UserID;
                activity.ActivityContent = content;
                activity.ActivityTitle   = item.ActivityName;
                activity.ActivityID      = item.ActivityID;
                ActivityManager.LogUserActivity(activity);
            }
        }
        void context_UserValidated(User user, HHEventArgs e)
        {
            ActivityItem item = ActivityManager.GetActivityItem("UserLogin");

            if (item != null && item.IsEnabled)
            {
                UserActivity activity = new UserActivity();
                activity.ActivityUser    = user.UserID;
                activity.ActivityContent = string.Format("用户{0}于{1}登陆系统", user.UserName,
                                                         DateTime.Now.ToString("yyyy-MM-dd HH:mm"));
                activity.ActivityTitle = item.ActivityName;
                activity.ActivityID    = item.ActivityID;
                ActivityManager.LogUserActivity(activity);
            }
        }