/**/
.platform-type-tab{padding: 15px 0 0 70px;}
.platform-type-tab a{float: left; display: inline-block; width: 163px; height: 36px; line-height: 36px; text-align: center;border-bottom: 3px solid #e8e8e8; font-size: 16px;}
.platform-type-tab a:hover{background: #e8e8e8; color: #333;}
.platform-type-tab a.last{width: 160px;}
.platform-type-tab a.on{background: #ff6634; color: #fff; border-bottom: 3px solid #dc3a02;}
.platform-type-tab a.on:hover {background: #dc3a02;color: #fff;text-decoration: none;}
<div class="c platform-type-tab" id="J_platformType">
<!-- <ul>
<li class="on"><a herf="javascript:void(0);">零时/起零</a></li>
<li><a herf="javascript:void(0);">零时/起零</a></li>
<li><a herf="javascript:void(0);">零时/起零</a></li>
<li class="last"><a herf="javascript:void(0);">零时/起零</a></li>
</ul> -->
<a class="on" herf="javascript:void(0);" platformType="TB">淘宝/天猫</a>
<a herf="javascript:void(0);" platformType="JD">京东商城</a>
<a herf="javascript:void(0);" platformType="PDD">拼多多商城</a>
<a class="last" herf="javascript:void(0);" platformType="AL">阿里巴巴</a>
</div>
<ul id="J_selectEx" class="c express-list">
<li class="select-current" platformTypeList="STKDPDD"><span>保险起期PDD</span></li>
<li platformTypeList="YTKDTB"><span>保险起期TB</span></li>
<li platformTypeList="QFKDTB"><span>保险起期TB</span></li>
<li platformTypeList="YTKDJD"><span>保险起期JD</span></li>
<li platformTypeList="YTKDTB"><span>保险起期TB</span></li>
<li platformTypeList="YTKDJD"><span>保险起期JD</span></li>
<li platformTypeList="QFKDTB"><span>保险起期TB</span></li>
<li platformTypeList="YTKDPDD"><span>保险起期PDD</span></li>
<li platformTypeList="YTKDPDD"><span>保险起期PDD5</span></li>
<li platformTypeList="YTKDPAL"><span>保险起期AL</span></li>
<li platformTypeList="YTKDPAL"><span>保险起期AL</span></li>
</ul>
<p class="express-desc">零时起 至 2017-03-20 二十四时止 共12个月</p>
</div>
<script>
$("#J_platformType a").click(function(){
$(this).addClass("on").siblings().removeClass("on");
var platformTypeStr = $(this).attr("platformType");
$("#J_selectEx li").each(function(){
var platformTypeList = $(this).attr("platformTypeList");
if(platformTypeList.indexOf(platformTypeStr)>-1){
$(this).show();
}else{
$(this).hide();
}
});
});
</script>
