这是我经常做网站设计时常用到的TAB(js+css)切换技术，一种是点击切换，另一种是触摸切换，比较全面。虽然网上搜索就会一大堆，但是下面分享TAB是我精心挑选的,代码比较简练易懂，且实用，各种浏览器都能支持(到目前为止还没发现那一款浏览器不支持的),网志博客强力推荐！
<!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>tabMenu</title>
<style type="text/css">
<!--
body,div,ul,li{
margin:0 auto;
padding:0;
}
body{
font:12px "宋体";
text-align:center;
}
a:link{
color:#000033;
text-decoration:none;
}
a:visited {
color:#000033;
text-decoration:none;
}
a:hover {
color: #c00;
text-decoration:underline;
}
ul{
list-style:none;
}
.main{
clear:both;
padding:8px;
text-align:center;
}
/*第一种形式*/
#tabs0 {
height: 428px;
width: 601px;
border: 1px solid #cbcbcb;
background-color: #f2f6fb;
}
.menu0{
width: 400px;
}
.menu0 li{
display:block;
float: left;
padding: 4px 0;
width:100px;
text-align: center;
cursor:pointer;
background: #FFFFff;
}
.menu0 li.hover{
background: #f2f6fb;
}
#main0 ul{
display: none;
}
#main0 ul.block{
display: block;
}
/*第二种形式*/
#tabs1{
text-align:left;
width:400px;
}
.menu1box{
position:relative;
overflow:hidden;
height:22px;
width:400px;
text-align:left;
}
#menu1{
position:absolute;
top:0;
left:0;
z-index:1;
}
#menu1 li{
float:left;
display:block;
cursor:pointer;
width:72px;
text-align:center;
line-height:21px;
height:21px;
}
#menu1 li.hover{
background:#fff;
border-left:1px solid #1068E3;
border-top:1px solid #1068E3;
border-right:1px solid #1068E3;
}
.main1box{
clear:both;
margin-top:-1px;
border:1px solid #1068E3;
height:186px;
width:390px;
}
#main1 ul{
display: none;
}
#main1 ul.block{
display: block;
}
/*第三种形式*/
.menu2box{
position:relative;
overflow:hidden;
height:22px;
width:400px;
text-align:left;
background: #FFFFff;
}
#tabs2 {
height: 200px;
width: 400px;
border: 1px solid #cbcbcb;
background-color: #f2f6fb;
}
#tip2{
position:absolute;
top:0;
left:0;
height:22px;
line-height:22px;
z-index:0;
width:100px;
background: #f2f6fb;
}
#menu2{
position:absolute;
top:0;
left:0;
z-index:1;
}
#menu2 li{
display:block;
float: left;
padding: 4px 0;
width:100px;
text-align: center;
cursor:pointer;
}
-->
</style>
<script>
<!--
/*第一种形式 第二种形式 更换显示样式*/
function setTab(m,n){
var tli=document.getElementById("menu"+m).getElementsByTagName("li");
var mli=document.getElementById("main"+m).getElementsByTagName("ul");
for(i=0;i<tli.length;i++){
tli[i].className=i==n?"hover":"";
mli[i].style.display=i==n?"block":"none";
}
}
/*第三种形式 利用一个背景层定位*/
var m3={0:"",1:"评论内容",2:"技术内容",3:"点评内容"}
function nowtab(m,n){
if(n!=0&&m3[0]=="")m3[0]=document.getElementById("main2").innerHTML;
document.getElementById("tip"+m).style.left=n*100+'px';
document.getElementById("main2").innerHTML=m3[n];
}
//-->
</script>
</head>
<body>
<br />
<br />
<!--第一种形式-->
<div id="tabs0">
<ul class="menu0" id="menu0">
<li onclick="setTab(0,0)" class="hover">新闻</li>
<li onclick="setTab(0,1)">评论</li>
<li onclick="setTab(0,2)">技术</li>
<li onclick="setTab(0,3)">点评</li>
</ul>
<div class="main" id="main0">
<ul class="block"><li>新闻列表</li></ul>
<ul><li>评论列表</li></ul>
<ul><li>技术列表</li></ul>
<ul><li>点评列表</li></ul>
</div>
</div>
<br />
<br />
<!--第二种形式-->
<div id="tabs1">
<div class="menu1box">
<ul id="menu1">
<li class="hover" onmouseover="setTab(1,0)"><a href="#">新闻</a></li>
<li onmouseover="setTab(1,1)"><a href="#">评论</a></li>
<li onmouseover="setTab(1,2)"><a href="#">技术</a></li>
<li onmouseover="setTab(1,3)"><a href="#">点评</a></li>
</ul>
</div>
<div class="main1box">
<div class="main" id="main1">
<ul class="block"><li>新闻列表</li></ul>
<ul><li>评论列表</li></ul>
<ul><li>技术列表</li></ul>
<ul><li>点评列表</li></ul>
</div>
</div>
</div>
<br />
<br />
<!--第三种形式-->
<div id="tabs2">
<div class="menu2box">
<div id="tip2"></div>
<ul id="menu2">
<li class="hover" onmouseover="nowtab(2,0)"><a href="#">新闻</a></li>
<li onmouseover="nowtab(2,1)"><a href="#">评论</a></li>
<li onmouseover="nowtab(2,2)"><a href="#">技术</a></li>
<li onmouseover="nowtab(2,3)"><a href="#">点评</a></li>
</ul>
</div>
<div class="main" id="main2">
新闻内容
</div>
</div>
</body>
</html>
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