紅色代碼就是判斷全部的代碼
<ul class="clearfix ey-column-nav-ul">
<li> <a href="{$eyou.field.ptypeurl}" title="{eyou:lang name='yybl2' /}" {eyou:gt name="$eyou.field.has_children" value="0"}class="active"{/eyou:gt}>全部</a> </li>
{eyou:channel type="sonself" currentstyle="active"}
<li> <a href="{$field.typeurl}" title="{$field.typename}" class="{$field.currentstyle}">{$field.typename}</a> </li>
{/eyou:channel}
</ul>