/// <summary>
        /// 获取用户角色列表
        /// </summary>
        /// <returns></returns>
        public JsonResult Users_getRoleList()
        {
            DaUserGroup dal = new DaUserGroup();
            IList<UserGroup> users = dal.getList();

            var result = new CustomJsonResult();
            result.Data = new { total = users.Count, rows = users };
            return result;
        }