jquery控制左右箭头滚动图片列表的实例
代码如下:
<!doctype html public "-//w3c//dtd xhtml 1.0 transitional//en" "https://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.dtd">
<html xmlns="https://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="content-type" content="text/html; charset=gb2312" />
<script type="text/javascript" src="js/jquery-1.7.min.js"></script>
<title>jq控制左右箭头滚动图片列表</title>
<style type="text/css">
*{ margin:0; padding:0;font-size: 12px;}
ul{ list-style:none;}
.slider{ width:760px;border: 1px #708090 solid; padding:10px 20px;height: 130px;margin: 100px auto;position: relative;cursor: pointer;}
#slider_pic{ width: 630px;margin:0 auto;overflow: hidden;height: 130px;position: relative;}
.prev,.next{position: absolute;width: 20px;height: 20px;cursor: pointer;top:60px;background-color: #daa520; text-align: center;line-height: 20px;font-weight: bold;color: #fff;}
.next{right: 20px;}
.no_click{background-color: #808080;}
#slider_pic li{float: left;margin-right: 10px;}
#slider_pic ul{position: absolute;left: 0;}
</style>
<script type="text/javascript">
$(function(){
var opic=$('#slider_pic').find('ul');
var oimg=opic.find('li');
var olen=oimg.length;
var oli=oimg.width();
var prev=$("#prev");
var next=$("#next");
opic.width(olen*210);//计算总长度
var inow=0;
var itimer=null;
prev.click(function(){
if(inow>0){
inow--;
}
clickscroll();
})
next.click(function(){
if(inow<olen-3){
inow++
}
clickscroll();
})
function clickscroll(){
inow==0? prev.addclass('no_click'): prev.removeclass('no_click');
inow==olen-3?next.addclass("no_click"):next.removeclass("no_click");
opic.animate({left:-inow*210})
}
})
</script>
</head>
<body>
<p class="slider">
<span class="prev no_click" id="prev"><<</span>
<span class="next " id="next">>></span>
<p id="slider_pic">
<ul>
<li><img src=https://www.2cto.com/uploadfile/2018/0427/20180427044214300.jpg" width="200" height="130" /></li>
<li><img src=https://www.2cto.com/uploadfile/2018/0427/20180427044214942.jpg" width="200" height="130" /></li>
<li><img src=https://www.2cto.com/uploadfile/2018/0427/20180427044214683.jpg" width="200" height="130" /></li>
<li><img src=https://www.2cto.com/uploadfile/2018/0427/20180427044215847.jpg" width="200" height="130" /></li>
<li><img src=https://www.2cto.com/uploadfile/2018/0427/20180427044215630.jpg" width="200" height="130" /></li>
</ul>
</p>
</p>
</body>
</html>
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