/// <summary>
        /// 提供菜单数据，供AJAX调用使用
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public string GetSysFunlist(string Uname, string Upwd)
        {
            Uname = Request["username"];
            Upwd = Request["password"];
            //获取菜单列表的数据
            List<SysFun> smodel = Sysbll.GetSysFunlist(Uname, Upwd);
            string menuHtml = "<dl>";
            foreach (SysFun item in smodel)
            {
                if (item.ParentNodeId == 0)
                {
                    //拼接父级菜单
                    menuHtml += "<dt><span>" + item.DisplayName + "</span></dt><dd>";

                    //找子节点的数据
                    foreach (SysFun childNode in smodel)
                    {
                        if (childNode.ParentNodeId == item.ID)
                        {
                            menuHtml += "<a href=" + childNode.NodeURL + " title=" + childNode.DisplayName + ">" + childNode.DisplayName + "</a>";
                        }
                        else
                        {
                            continue;
                        }
                    }
                    menuHtml += "</dd>";
                }
                else
                {
                    continue;
                }
            }
            menuHtml += "</dl>";

            return menuHtml;
        }

前台ajax调用