样式代码
<style type="text/css"> *{ margin:0px auto; padding:0px} #menu{150px; height:300px; position:fixed; left:100px; top:200px} .yiji{ 150px; height:35px; background-color:#63C; border:1px solid white; text-align:center; line-height:35px; vertical-align:middle; color:white; font-weight:bold} #erji1{ 150px; display:none} .xiang21{150px; height:35px; background-color:#F96; border:1px solid white; text-align:center; line-height:35px; vertical-align:middle; color:white; font-weight:bold} #erji2{ 150px; display:none} .xiang22{150px; height:35px; background-color:#F96; border:1px solid white; text-align:center; line-height:35px; vertical-align:middle; color:white; font-weight:bold} #erji3{ 150px; display:none} .xiang23{150px; height:35px; background-color:#F96; border:1px solid white; text-align:center; line-height:35px; vertical-align:middle; color:white; font-weight:bold} </style>
代码
<div id="menu"> <div class="yiji" onclick="showa('erji1')"> 首页 </div> <div id="erji1"> <div class="xiang21">首页1</div> <div class="xiang21">首页2</div> <div class="xiang21">首页3</div> </div> <div class="yiji" onclick="showa('erji2')"> 产品中心 </div> <div id="erji2"> <div class="xiang22">产品1</div> <div class="xiang22">产品2</div> <div class="xiang22">产品3</div> </div> <div class="yiji" onclick="showa('erji3')"> 活动中心 </div> <div id="erji3"> <div class="xiang23">活动1</div> <div class="xiang23">活动2</div> <div class="xiang23">活动3</div> </div> </div>
js代码
<script type="text/javascript"> function showa(d) { //找对应的二级菜单 var ej = document.getElementById(d); if(ej.style.display=="block") { ej.style.display="none"; } else { ej.style.display = "block"; } } </script>
运行结果