日期:2014-05-16  浏览次数:20279 次

js 实现的简单选项卡 原理(支持IE)

<!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>
<script language="javascript">
???
??? function tags(obj){
??? ??? var uls = document.getElementsByTagName('ul');??? ?
??? ???
??? ??? for(var i=0;i<uls.length;i++){
??? ??? ???? uls[i].className='unselected';
??? ??? ???
??? ??? }?
??? ??? obj.className='selected';
??? ???
??? ??? document.getElementById('one').className?? = 'divunselectd';
??? ??? document.getElementById('two').className?? = 'divunselectd';
??? ??? document.getElementById('three').className = 'divunselectd';
??? ??? ???? ?
??? ??? if('a' == obj.id){
??? ??? ??? document.getElementById('one').className = 'divselectd';
??? ??? }else if('b' == obj.id){
??? ??? ??? document.getElementById('two').className = 'divselectd';
??? ??? }else {
??? ??? ??? document.getElementById('three').className = 'divselectd';
??? ??? }
??? }

</script>

<style type="text/css">

.selected{
background-color:#FFFF00;
border:#FF0000 1px solid;
}
.unselected{
background-color:#00FF00;
}

.divselectd{
display:'';
background-color:yellow;
width:50%;
}
.divunselectd{
display: none;
background-color:yellow;
width:50%;
}
</style>
</head>

<body>

<div style="text-align:center; float:left; width:100%;" align="center" >
??? <ul? style="float:left" onclick="tags(this);" class="selected"?? id="a"? style="margin-left:0px; margin-right:3px;">one</ul>
??? <ul? style="float:left" onclick="tags(this);" class="unselected" id="b"? style="margin-left:2px; margin-right:3px;">two</ul>
??? <ul? style="float:left" onclick="tags(this);" class="unselected" id='c'? style="margin-left:2px;">three</ul>
</div>

<div id="one"? class="divselectd">one</div>
<div id="two"?? class="divunselectd">two</div>
<div id="three"? class="divunselectd">three</div>

</body>
</html>

1 楼 上官车月 2011-06-23  
隐藏层实现的,实际应用价值不大
2 楼 kaobian 2011-06-23  
你说的对 ,确实是隐藏层,我这里展示的只是一个原理,你可以用iframe去实现,每个iframe的src 都是一个action,你也可以用 一个div ,用js 或者jQuery去实现,方式可以很多种,但是基本原理都是一样