1. 程式人生 > >左右運動輪播圖

左右運動輪播圖

htm auto star style 開關 seo gin font space

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>輪播圖-左右輪播運動</title>
<style>
body,ul,ol{margin:0;padding:0;}
li{ list-style:none;}
img{ border:none; vertical-align:top;display: block;width: 100% }
#box{width:470px;height
:150px; position:relative; margin:30px auto; overflow:hidden;}
ul{ width:470px; position:absolute;left:0; top:0; z-index:1;}
ul li{width:470px; position:absolute; top:0;}
ol{z-index:2; width:120px; position:absolute;right:10px; bottom:10px;}
ol li{ width:20px;height:20px; float:left;margin:0 2px; display:inline; background
:#fff; color:#f60; line-height:20px; text-align:center;}
ol .active{ background:#f60; color:#fff;}
</style>
<script src="js/move.js"></script>
</head>
<body>
<div id="box">
<ul>
<li style="display:block"><img src="images/1.jpg" alt=""/></li>
<
li><img src="images/2.jpg" alt=""/></li>
<li><img src="images/3.jpg" alt=""/></li>
<li><img src="images/4.jpg" alt=""/></li>
<li><img src="images/5.jpg" alt=""/></li>
</ul>
<ol>
<li class="active">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ol>
</div>
<script>
var oBox=document.getElementById("box");
var oUl = document.getElementsByTagName(‘ul‘)[0];
var aLiUl = oUl.getElementsByTagName(‘li‘);
var oOl = document.getElementsByTagName(‘ol‘)[0];
var aLiOl = oOl.getElementsByTagName(‘li‘);
var oneWidth=aLiUl[0].offsetWidth;
var iNow=0;
var aBtn=true;//定義一個開關,解決連續觸發運動
for(var i=1;i<aLiUl.length;i++){
aLiUl[i].style.left=oneWidth+‘px‘;
};
for(var i=0;i<aLiOl.length;i++){
aLiOl[i].index=i;
aLiOl[i].onmouseover=function(){
if(aBtn){
aBtn=false;
for(var i=0;i<aLiOl.length;i++){
aLiOl[i].className=‘‘;
};
if(iNow<this.index){
aLiUl[this.index].style.left=oneWidth+‘px‘;
startMove(aLiUl[iNow],{left:-oneWidth});
}else if(iNow>this.index){
aLiUl[this.index].style.left=-oneWidth+‘px‘;
startMove(aLiUl[iNow],{left:oneWidth});
}
this.className=‘active‘;
startMove(aLiUl[this.index],{left:0},function(){
aBtn=true
});
iNow=this.index;
}
}
}
</script>
</body>
</html>
move.js
// JavaScript Document
function startMove(obj,json,endFn){
clearInterval(obj.timer);
obj.timer = setInterval(function(){
var bBtn = true;
for(var attr in json){
var iCur = 0;
if(attr == ‘opacity‘){
if(Math.round(parseFloat(getStyle(obj,attr))*100)==0){
iCur = Math.round(parseFloat(getStyle(obj,attr))*100);
}
else{
iCur = Math.round(parseFloat(getStyle(obj,attr))*100) || 100;
}
}
else{
iCur = parseInt(getStyle(obj,attr)) || 0;
}
var iSpeed = (json[attr] - iCur)/8;
iSpeed = iSpeed >0 ? Math.ceil(iSpeed) : Math.floor(iSpeed);
if(iCur!=json[attr]){
bBtn = false;
}
if(attr == ‘opacity‘){
obj.style.filter = ‘alpha(opacity=‘ +(iCur + iSpeed)+ ‘)‘;
obj.style.opacity = (iCur + iSpeed)/100;
}
else{
obj.style[attr] = iCur + iSpeed + ‘px‘;
}
}
if(bBtn){
clearInterval(obj.timer);
if(endFn){
endFn.call(obj);
}
}
},30);
}
function getStyle(obj,attr){
if(obj.currentStyle){
return obj.currentStyle[attr];
}
else{
return getComputedStyle(obj,false)[attr];
}
}

左右運動輪播圖