Layui 导航默认展开和菜单栏选中高亮设置的方法

<ul class="layui-nav layui-nav-tree custom-nav-tree" lay-filter="kitNavbar" kit-navbar>

     <c:if test="${title_sys eq '内容管理' }">
      <li class="layui-nav-item index1 layui-nav-itemed"><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ><i class="fa fa-plug" aria-hidden="true"></i><span>宣传教育</span></a>
       <dl class="layui-nav-child">
        <dd class="layui-this">
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path%>/content/jctt',icon:'',title:'基层头条',id:'73'}"><i class="layui-icon" aria-hidden="true"></i><span>基层头条</span></a>
        <https://img.qb5200.com/download-x/dd>
        <dd>
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path%>/contenthttps://img.qb5200.com/download-x/dyxf',icon:'',title:'党员先锋',id:'74'}"><i class="layui-icon" aria-hidden="true"></i><span>党员先锋</span></a>
        <https://img.qb5200.com/download-x/dd>
        <dd>
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path%>/content/wdk',icon:'',title:'微党课',id:'75'}"><i class="layui-icon" aria-hidden="true"></i><span>微党课</span></a>
        <https://img.qb5200.com/download-x/dd>
        <dd>
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path%>/content/remote_education',icon:'',title:'远程教育',id:'76'}"><i class="layui-icon" aria-hidden="true"></i><span>远程教育</span></a>
        <https://img.qb5200.com/download-x/dd>
        <dd>
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path%>/constant/ad',icon:'',title:'广告轮播',id:'77'}"><i class="layui-icon" aria-hidden="true"></i><span>广告轮播</span></a>
        <https://img.qb5200.com/download-x/dd>

       <https://img.qb5200.com/download-x/dl>
      </li>

      <li class="layui-nav-item index4"><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ><i class="fa fa-plug" aria-hidden="true"></i><span>每日一学</span></a>
       <dl class="layui-nav-child">
        <dd>
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path%>/content/mryx_type',icon:'',title:'学习类型管理',id:'200'}"><i class="layui-icon" aria-hidden="true"></i><span>学习类型管理</span></a>
        <https://img.qb5200.com/download-x/dd>
        <dd>
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path%>/content/mryx',icon:'',title:'知识点管理',id:'201'}"><i class="layui-icon" aria-hidden="true"></i><span>知识点管理</span></a>
        <https://img.qb5200.com/download-x/dd>
        <dd>
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path%>/content/mryx_publish',icon:'',title:'发布记录列表',id:'202'}"><i class="layui-icon" aria-hidden="true"></i><span>发布记录列表</span></a>
        <https://img.qb5200.com/download-x/dd>
       <https://img.qb5200.com/download-x/dl>
      </li>
      <li class="layui-nav-item index5"><a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ><i class="fa fa-plug" aria-hidden="true"></i><span>每月一考</span></a>
       <dl class="layui-nav-child">
        <dd>
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path%>/content/quest_type_index',icon:'',title:'题库类型',id:'80'}"><i class="layui-icon" aria-hidden="true"></i><span>题库类型</span></a>
        <https://img.qb5200.com/download-x/dd>
        <dd>
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path%>/content/quest_index',icon:'',title:'考题管理',id:'81'}"><i class="layui-icon" aria-hidden="true"></i><span>考题管理</span></a>
        <https://img.qb5200.com/download-x/dd>
        <dd>
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path%>/content/quest_model_index',icon:'',title:'考卷模板',id:'82'}"><i class="layui-icon" aria-hidden="true"></i><span>考卷模板</span></a>
        <https://img.qb5200.com/download-x/dd>
        <dd>
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path %>/content/exam_index',icon:'',title:'考卷管理',id:'83'}"><i class="layui-icon" aria-hidden="true"></i><span>考卷管理</span></a>
        <https://img.qb5200.com/download-x/dd>
        <dd>
         <a href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" kit-target data-options="{url:'<%=path%>/content/record_index',icon:'',title:'考试记录',id:'84'}"><i class="layui-icon" aria-hidden="true"></i><span>考试记录</span></a>
        <https://img.qb5200.com/download-x/dd>
       <https://img.qb5200.com/download-x/dl></li>
     </c:if>
  </ul>