javascript入门（4）
<!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>preview big images</title>
<link rel="stylesheet" type="text/css" href="../css/index.css" />
<script type="text/javascript" src="../jquery-1.4.1-vsdoc.js"></script>
<script type="text/javascript" src="../jquery.1.4.2.sdocml"></script>
</head>
<body>
<div class="preview">
<ul>
<li>
<a> <img src="../img/blue_one_small.jpg" width=100" height="100" alt="浅蓝色衬衫" title="浅蓝色衬衫"></img>
免烫高质棉衬衣
<br />$120.000
</a>
</li>
<li>
<a> <img src="../img/green_one_small.jpg" width=100" height="100" alt="浅蓝色衬衫" title="浅蓝色衬衫"></img>
免烫高质棉衬衣
<br />$120.000
</a>
</li>
<li>
<a> <img src="../img/yellow_one_small.jpg" width=100" height="100" alt="浅蓝色衬衫" title="浅蓝色衬衫"></img>
免烫高质棉衬衣
<br />$120.000
</a>
</li>
</ul>
</div>
<div class="overlay" style="display: none;">
<a></a>
</div>
<script type="text/javascript" src="../js/jquery-1.7.2.js"></script>
<script type="text/javascript">
$(function(){
$("ul>li").hover(function() {
$(this).append("<span> </span>")
}, function() {
$("span").remove();
});
$("ul>li").click(
function(){$(".overlay").show();});
var img= $($(this).find("img")).clone();
img.appendTo(".overlay");
});
$(".overlay a").click(function() {
$(".overlay").hide();
});
</script>
</body>
</html>
css:
ul{
list-style:none; //去掉li黑点
}
.preview{
margin:30px auto 0;
width:500px;
}
ul{
display:inline;
}
.preview ul li{
float:left;
position:relative;
margin:0 10px;
}
.preview ul li a{
width:119px;
text-align:center;
display:block;
cursor:pointer;
}
.preview ul li a img{
display:block;
}
.add{
background-image: url("../img/zoom.gif");
}
span{
background:url(../img/zoom.gif);
width:32px;
height: 32px;
position:absolute;
left:35px;
top:40px;
}
.overlay{
background:rgba(0,0,0,0.6);
background:#000;
opacity:0.6;
position:absolute;
top:0;
left:0;
width:100%;
height:100%;
}
.overlay img{
position:absolute;
top:180px;
left:40%;
width:310px;
height:310px;
}
.overlay a{
display:inline-block;
position:absolute;
top:190px;
left:41%;
width:32px;
height:32px;
background:url(../img/close.png) no-repeat 0 -42px;
z-index:4;
}
