dedecms5.7下拉导航菜单教程

<!-- //二级子类
下拉菜单，考虑SEO原因放置于底部。
-->
<script type='text/javascript' src='{dede:global.cfg_cmsurl/}/images/js/dropdown.js'></script>
{dede:channelartlist typeid='top' cacheid='channelsonlist'}<ul id="dropmenu{dede:field.typeid/}" class="dropMenu">
{dede:channel type='son' noself='yes'}  <li><a href="[field:typelink/]">[field:typename/]</a></li>
{/dede:channel}
</ul>
{/dede:channelartlist}
<script type="text/javascript">cssdropdown.startchrome("navMenu")</script>

/*-------- 下拉菜单 --------------*/
.dropMenu {
position:absolute;
top: 0;
z-index:100;
width: 120px;
visibility: hidden;