应用:适用于左右结构排版三级产品分类或文章分类。
1、效果图

2、HTMl
<!-- 分类折叠手风琴菜单 开始 --><divclass="subnavbox bg-white radius"><h2class="bg-blue text-white">{eyou:channelartlist typeid='$eyou.field.typeid|gettoptype=###,typeid'}{eyou:field name='typename' /}{/eyou:channelartlist}</h2><!--当前栏目下二级栏目调用-->{eyou:channel type="first" currentstyle="active"}{eyou:eq name='$eyou.field.grade' value='2'}{eyou:type typeid='$eyou.field.typeid' id='field1'}{eyou:eq name='$field1.parent_id' value='$field.id'}{eyou:assign name='$field.currentstyle' value='current' /}<!--current对应样式中的display:block-->{/eyou:eq}{/eyou:type}{/eyou:eq}<divclass="{$field.currentstyle}dd {$field.currentstyle}dt suboneNav">{$field.typename}</div><!--当前栏目下三级栏目调用-->{eyou:notempty name="$field.children"}<ulclass="cur-bg {$field.currentstyle}">{eyou:channel name="$field.children" id="field2"}<li><ahref="{$field2.typeurl}"class="{$field2.currentstyle}">{$field2.typename}{$field2.typeid}</a></li>{/eyou:channel}</ul>{/eyou:notempty}{/eyou:channel}</div>
<!-- 分类折叠手风琴菜单 结束 -->
3、CSS
.subnavbox h2{line-height:60px;height:60px;position:relative;font-size:20px;padding:00020px;}.subnavbox .current {display:block;}.subnavbox .cur-bg{background:#fff;padding:10px0;}.subnavbox ul {display:none;}.subnavbox ul li a{display:block;line-height:36px;font-size:14px;color:#999;padding-left:20px;}.subnavbox ul li a:hover {color:#FF6D33;}.subnavbox ul li a.active {color:#FF6D33;}.suboneNav{border-bottom:solid1px#0BECF1;background:#0AD4D9url(../images/ico_jia.png)no-repeat;background-position:95%50%;cursor:pointer;font-size:16px;color:#fff;line-height:54px;padding-left:20px;}.suboneNav:last-child{border-bottom:0;border-bottom-left-radius:4px;border-bottom-right-radius:4px}
.currentdt {background-image:url(../images/ico_jian.png);}
4、JS
$(".suboneNav").click(function() {$(this).toggleClass("currentdd").siblings(".suboneNav").removeClass("currentdd");$(this).toggleClass("currentdt").siblings(".suboneNav").removeClass("currentdt");$(this).next("ul").slideToggle(300).siblings("ul").slideUp(500);
})