JQ複数枚の図のシームレスなスクロール
3088 ワード
slider.css
slider.html
slider.js
効果図:
*{
padding: 0;
margin: 0;
}
li{
list-style-type: none;
}
body{
margin: 50px;
}
.wrap{
border: 3px solid #f00;
width: 600px;
height: 200px;
position: relative;
overflow: hidden;
}
.wrap ul{
overflow: hidden;
position:absolute;
width: 1600px;
left: 0;
top: 0;
_height:1px;
}
.wrap ul li{
float: left;
width: 200px;
}slider.html
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>slider</title>
<link rel="stylesheet" href="slider.css">
</head>
<body>
<a href="javascript:;" class="goLeft"> </a>
<a href="javascript:;" class="goRight"> </a>
<div class="wrap">
<ul>
<li><img src="1.jpg" alt=""></li>
<li><img src="2.jpg" alt=""></li>
<li><img src="3.jpg" alt=""></li>
<li><img src="4.jpg" alt=""></li>
<li><img src="5.jpg" alt=""></li>
</ul>
</div>
<script src="jquery.js"></script>
<script src="slider.js"></script>
</body>
</html>slider.js
// ， position absolute/relative
$(function(){
var oul = $('.wrap ul');
var oulHtml = oul.html();
oul.html(oulHtml+oulHtml)
var timeId = null;
var ali = $('.wrap ul li');
var aliWidth = ali.eq(0).width();
var aliSize = ali.size();
var ulWidth = aliWidth*aliSize;
oul.width(ulWidth); //1600px
var speed = 2;
function slider(){
if(speed<0){
if(oul.css('left')==-ulWidth/2+'px'){
oul.css('left',0);
}
oul.css('left','+=-2px');
}
if(speed>0){
if(oul.css('left')=='0px'){
oul.css('left',-ulWidth/2+'px');
}
oul.css('left','+='+speed+'px');
}
}
// setInterval() ： ，
timeId = setInterval(slider,30);
$('.wrap').mouseover(function(){
// clearInterval()
clearInterval(timeId);
});
$('.wrap').mouseout(function(){
timeId = setInterval(slider,30);
});
$('.goLeft').click(function(){
speed=-2;
});
$('.goRight').click(function(){
speed=2;
});
});
効果図: