本文介绍了一种使用jQuery实现自动轮播幻灯片的方法。通过设置图片淡入淡出效果和定时器，使得图片能够自动切换展示。适用于网页设计中需要加入动态图片展示的场景。
<!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=utf-8" />
<title>幻灯片原理</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function(){
$(".lingbox img:last-child").css({"display":"block"});
var index=-1;
setInterval(function(){
index=index+1
$(".lingbox img").eq(index).css({"position":"absolute","top":"0px","left":"0px","width":"400px","height":"200px"}).fadeIn(2000);
$(".lingbox img").not(":eq("+index+")").fadeOut(2000);
if(index==14){
index=0;
}
},6000)
})
</script>
<style type="text/css">
.lingbox{
width:400px;
height:250px;
margin:10px auto;
position:relative;
}
.lingbox img{
width:400px;
height:200px;
display:none;}
</style>
</head>
<body>
<h1>jquery幻灯片</h1>
<div class="lingbox">
<img src="image1_1.jpg" alt="images" />
<img src="image1_2.jpg" alt="images" />
<img src="image1_3.jpg" alt="images" />
<img src="image1_4.jpg" alt="images" />
<img src="image1_5.jpg" alt="images" />
<img src="image1_6.jpg" alt="images" />
<img src="image1_7.jpg" alt="images" />
<img src="image1_8.jpg" alt="images" />
<img src="image1_9.jpg" alt="images" />
<img src="image1_10.jpg" alt="images" />
<img src="image1_11.jpg" alt="images" />
<img src="image1_12.jpg" alt="images" />
<img src="image1_13.jpg" alt="images" />
<img src="image1_14.jpg" alt="images" />
<img src="image1_15.jpg" alt="images" />
</div>
<div><h4>这里是其他显示内容</h4></div>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>幻灯片原理</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function(){
$(".lingbox img:last-child").css({"display":"block"});
var index=-1;
setInterval(function(){
index=index+1
$(".lingbox img").eq(index).css({"position":"absolute","top":"0px","left":"0px","width":"400px","height":"200px"}).fadeIn(2000);
$(".lingbox img").not(":eq("+index+")").fadeOut(2000);
if(index==14){
index=0;
}
},6000)
})
</script>
<style type="text/css">
.lingbox{
width:400px;
height:250px;
margin:10px auto;
position:relative;
}
.lingbox img{
width:400px;
height:200px;
display:none;}
</style>
</head>
<body>
<h1>jquery幻灯片</h1>
<div class="lingbox">
<img src="image1_1.jpg" alt="images" />
<img src="image1_2.jpg" alt="images" />
<img src="image1_3.jpg" alt="images" />
<img src="image1_4.jpg" alt="images" />
<img src="image1_5.jpg" alt="images" />
<img src="image1_6.jpg" alt="images" />
<img src="image1_7.jpg" alt="images" />
<img src="image1_8.jpg" alt="images" />
<img src="image1_9.jpg" alt="images" />
<img src="image1_10.jpg" alt="images" />
<img src="image1_11.jpg" alt="images" />
<img src="image1_12.jpg" alt="images" />
<img src="image1_13.jpg" alt="images" />
<img src="image1_14.jpg" alt="images" />
<img src="image1_15.jpg" alt="images" />
</div>
<div><h4>这里是其他显示内容</h4></div>
</body>
</html>
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