ACE侧边栏刷新自动展开之前的选择

<script type="text/javascript">
        $(document).ready(function(){
            var url = document.location.href;            
            var index1 = url.lastIndexOf(‘/‘);
            var page_name = url.substring(index1 + 1, url.length);
            var a_l = $(‘a‘);
            a_l.each(function () {
                var that = $(this);
                var url2 = that.attr(‘href‘);
                var index2 = url2.lastIndexOf(‘/‘);
                var page_name2 = url2.substring(index2 + 1, url2.length);
                if (page_name == page_name2) {
                    $(this).parent().addClass(‘active‘);
                    $(this).parent().parent().parent().addClass(‘open‘);
                }
            });          
        });
    </script>