隐藏html的标签

<div class="span11 alignment">    <h1>我的虚拟网络</h1></div></br><ul class="nav nav-tabs vmcs-tab">    <li<%= raw ‘ class="active"‘ if controller.action_name == ‘index‘ %>>	  <%= link_to ‘虚拟网络列表‘, action: :index %>	</li>    <li>	    <%= link_to ‘虚拟网络拓扑‘, action: :openvpn_topo%>	   <ul class="nav nav-tabs vmcs-tab" <%= raw ‘style="display:none"‘ if not controller.action_name == ‘openvpn_topo‘ and  not controller.action_name == ‘vlan_topo‘ %>>          <li<%= raw ‘ class="active"‘ if controller.action_name == ‘openvpn_topo‘ %>>		      <%= link_to ‘openvpn拓扑‘, action: :openvpn_topo%>		  </li>	      <li<%= raw ‘ class="active"‘ if controller.action_name == ‘vlan_topo‘ %>>		      <%= link_to ‘vlan拓扑‘, action: :vlan_topo%>		  </li>        </ul>	</li></ul>