eyoucms导航菜单调用一二三级栏目的方法

{eyou:channel type="top" row="60" id="field" currentstyle="active"}
<!--一级-->
<li class="yiji"><a href="{$field.typeurl}" title="{$field.typename}">{$field.typename}</a>
	<div class="erji">
		<!--二级-->
		{eyou:channel name="$field.children" row="100" id="field2"}<a href="{$field2.typeurl}">{$field2.typename}</a>
		<div class="sanji">
			<!--三级-->
			{eyou:channel name="$field2.children" row="100" id="field3"}<a href="{$field3.typeurl}">{$field3.typename}</a>{/eyou:channel}
			<!--三级end-->
		</div>
		{/eyou:channel}
		<!--二级end-->
	</div>
</li>
<!--一级end-->
{/eyou:channel}