anchor.diff:                   * 递归切换菜单的展开和收缩状态
                    */
                   var isExpanded = menu.isExpanded;
  -                toggleChildMenuList(menu, !isExpanded);
  +                // toggleChildMenuList(menu, !isExpanded);
                   menu.isExpanded = !isExpanded;
   
                   function toggleChildMenuList(menu, isShow) {
  
positive.code: <%-- Vue Treetable 组件--%>
  <%-- 参考：http://blog.fengxiaotx.com/archives/545 --%>
  <script>
      Vue.filter('fillSpace', function (value) {
          var space = "";
          for (var i = 0;i < value; i++) {
  
negative.code:                     }
                      for(var i = 0; i < childList.length; i++) {
                          var childMenu = childList[i];
                          childMenu.level = level;
                          childMenu.isShow = level <= 3; // 是否显示，1,2,3级菜单默认显示
                          childMenu.isExpanded = level <= 2; // 是否展开菜单，1,2,3级菜单默认展开
  