选项卡:注意css之间的优先级 行间样式 >id >class >元素
#test div 属于id的样式
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style>
body,ul{margin:0;padding:0;}
li{list-style:none;}
#tab{width:216px;margin:30px auto;}
#tab ul{width:216px;height:32px;}
#tab li{float:left;width:60px;height:24px;text-align:center;font-size:14px;line-height:24px;margin-left:10px;border:1px solid #000;background:#CCCCCC}
#tab .active{background:#FFFF00;}
#tab div{width:224px;height:200px;background:#CCCCCC;display:none;}
#tab .show{display:block;}
</style>
<script>
window.onload =function(){
var oDiv = document.getElementById('tab');
var aLi = oDiv.getElementsByTagName('li');
var aDiv = oDiv.getElementsByTagName('div');
var lastIndex = 1;
for(var i=0;i<aLi.length;i++){
aLi[i].index = i;
aLi[i].onclick = function(){
/*方法-
for(var j=0;j<aLi.length;j++){
aLi[j].className = '';
aDiv[j].style.display = 'none';
}
*/
/*方法二*/
aLi[lastIndex].className = '';
aDiv[lastIndex].style.display = 'none';
this.className = 'active';
aDiv[this.index].style.display = 'block';
lastIndex = this.index;
};
}
};
</script>
</head>
<body>
<div id='tab'>
<ul>
<li>port端口</li>
<li class='active'>静态Mac</li>
<li>vlan列表</li>
</ul>
<div class='hide'>interface gig1/1/1</div>
<div class='show'>mac 0001.0002.0004</div>
<div class='hide'>vlan 1 2 3</div>
</div>
</body>
</html>