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}