public string Add()
        {
            if (string.IsNullOrWhiteSpace(Request["roleId"]))
            {
                return "0";
            }

            string[] funcIds = Request["funcIds"] == null ? null : Request["funcIds"].Split(',');

            AccessModel.Delete(" where RoleID = @0", Request["roleId"]);
            foreach (string item in funcIds)
            {
                AccessModel access = new AccessModel();
                access.Roleid = Request["roleId"].ToInt();
                access.Funcid = item.ToInt();
                access.CreateMan = SysConfig.CurrentUser.Id;
                access.CreateTime = DateTime.Now;
                int result = access.Insert().ToInt();

                if (result <= 0)
                {
                    return "0";
                }
            }

            //记录操作日志
            CommonMethod.Log(SysConfig.CurrentUser.Id, "Insert", "Sys_Access");

            return "1";
        }
        /// <summary>
        /// Role实体和权限字符串
        /// </summary>
        /// <param name="auth"></param>
        /// <param name="json"></param>
        /// <returns></returns>
        public string addRole(string auth, string json)
        {
            if (string.IsNullOrEmpty(json))
            {
                return(new MyHttpResult(false, "提交数据错误!").ToString());
            }
            RoleModel model = JsonExtensions.FromJson <RoleModel>(json);
            int       result;

            //1.判断是新增角色还是编辑角色
            if (model.id == 0)//新增
            {
                //1.新增角色
                result = model.Insert();
                //2.获得该实体的ID
                model.id = (new RoleBLL()).getByMax().id;
            }
            else  //编辑
            {
                result = model.Update();
            }
            //2.删除该角色的所有权限
            AccessBLL accessbll = new AccessBLL();

            accessbll.deleteByRoleId(model.id.ToString());
            //3.insert所有权限
            if (!string.IsNullOrEmpty(auth))
            {
                foreach (string roleAuth in auth.Split(",".ToCharArray()))
                {
                    if (roleAuth != "")
                    {
                        AccessModel accessModel = new AccessModel();
                        accessModel.node_id = int.Parse(roleAuth);
                        accessModel.role_id = model.id;
                        result = accessModel.Insert();
                    }
                }
            }
            return(new MyHttpResult(result > 0 ? true : false, "").ToString());
        }