/// <summary>
        /// (单)删除
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        public int PermissionDelete(int id)
        {
            int   i  = user.PermissionDel(id);
            Users us = (Users)Session["User"];

            if (i > 0)
            {
                logs.Add(us.ID, "单个删除权限", 1);
            }
            else
            {
                logs.Add(us.ID, "单个删除权限", 0);
            }
            return(i);
        }