- jQuery鼠标悬浮放于图片上之后图片放大显示的效果，即鼠标移到图片上图片突出显示，鼠标移开后恢复原来的模样，你可以在图片滚动效果中加上本特效，相信会更炫一些。
<!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>
<title>jQuery鼠标悬浮图片放大特效</title>
<script src="/ajaxjs/jquery-1.9.1.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(function(){
var imgWid = 0 ;
var imgHei = 0 ; //变量初始化
var big = 1.2;//放大倍数
$(".banimg li").hover(function(){
$(this).find("img").stop(true,true);
var imgWid2 = 0;var imgHei2 = 0;//局部变量
imgWid = $(this).find("img").width();
imgHei = $(this).find("img").height();
imgWid2 = imgWid * big;
imgHei2 = imgHei * big;
$(this).find("img").css({"z-index":2});
$(this).find("img").animate({"width":imgWid2,"height":imgHei2,"margin-left":-imgWid2/2,"margin-top":-imgHei2/2});
},function(){$(this).find("img").stop().animate({"width":imgWid,"height":imgHei,"margin-left":-imgWid/2,"margin-top":-imgHei/2,"z-index":1});});
})
</script>
<style type="text/css">
*{margin: 0; padding: 0; list-style: none;}
.banimg{ 600px;height: 200px; margin: 20px auto;}
.banimg li{ 200px; height: 200px; float: left; position: relative;}
.banimg li img{ 200px; height: 200px; position: absolute; left: 50%;top: 50%;margin: -100px 0 0 -100px;z-index: 1;}
</style>
</head>
<body>
<ul class="banimg">
<li><a href="#"><img src="/jscss/demoimg/wall_s7.jpg" /></a></li>
<li><a href="#"><img src="/jscss/demoimg/wall_s8.jpg" /></a></li>
</ul>
</body>
</html>