封装js部分
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function autoTab(id,time){
var oDiv=document.getElementById(id);
var aBtn=oDiv.getElementsByTagName('input');
var aDiv=oDiv.getElementsByTagName('div');
var oBtnPrev=document.getElementById('btn_prev');
var oBtnNext=document.getElementById('btn_next');
var now=0;//随意定义个变量now初始值为0
function tab(){
for(var i=0; i<aBtn.length; i++){
aBtn[i].className='';
aDiv[i].className='';
}
aBtn[now].className='cur';
aDiv[now].className='active';
};
for(var i=0;i<aBtn.length;i++){
(function(index){
aBtn[i].οnclick=function(){
now=index;
tab();
}
})(i);
}
//下一个
oBtnNext.οnclick=next;
//上一个
oBtnPrev.οnclick=function prev(){
now--;
if(now==-1)
{
now=aBtn.length-1;
}
tab();
}
//自动播放
function next(){
now++;
if(now==aBtn.length)
{
now=0;
}
tab();
}
var timer=setInterval(next,time);
//鼠标移入移出
oDiv.οnmοuseenter=function(){
clearInterval(timer);
}
oDiv.οnmοuseleave=function(){
timer=setInterval(next,time);
}
}
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<style>
#table1 div{ width:200px; height:200px; background:#ccc; display: none; border:1px solid; overflow: hidden;}
#table1 input{ background: #ccc;}
#table1 .active{ display:block;}
#table1 .cur{ background:#f60;}
</style>
<script src="autoTab.js"></script>
<script>
window.οnlοad=function(){
autoTab('table1',1000);
}
</script>
<body>
<a href="javascript:;" id="btn_prev">上一个</a>
<a href="javascript:;" id="btn_next">下一个</a>
<div id="table1">
<input class="cur" type="button" value="aaaa" />
<input type="button" value="bbbb" />
<input type="button" value="cccc" />
<div class="active">1111111111111111</div>
<div>
2222222222222222222222222
</div>
<div>
333333333333333333333333333
</div>
</div>
</body>
</html>
