html文件：
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style type="text/css">
body {
font-family: "Helvetica", "Arial", serif;
color: #333;
background-color: #ccc;
margin: 1em 10%;
}
h1 {
color: #333;
background-color: transparent;
}
a {
color: #c60;
background-color: transparent;
font-weight: bold;
text-decoration: none;
}
ul {
padding: 0;
}
li {
float: left;
padding: 1em;
list-style: none;
}
#imagegallery {
list-style: none;
}
#imagegallery li {
margin: 0px 20px 20px 0px;
padding: 0px;
display: inline;
}
#imagegallery li a img {
border: 0;
}
</style>
<script src="../jquery-1.12.4.js"></script>
<script>
$(function () {
//1. 给所有的a注册点击事件
$("#imagegallery a").click(function () {
var href = $(this).attr("href");
$("#image").attr("src", href);
var title = $(this).attr("title");
$("#des").text(title);
return false;
});
});
</script>
</head>
<body>
<h2>
美女画廊
</h2>
<ul id="imagegallery">
<li><a href="images/1.jpg" title="美女A">
<img src="images/1-small.jpg" width="100" alt="美女1"/>
</a></li>
<li><a href="images/2.jpg" title="美女B">
<img src="images/2-small.jpg" width="100" alt="美女2"/>
</a></li>
<li><a href="images/3.jpg" title="美女C">
<img src="images/3-small.jpg" width="100" alt="美女3"/>
</a></li>
<li><a href="images/4.jpg" title="美女D">
<img src="images/4-small.jpg" width="100" alt="美女4"/>
</a></li>
</ul>
<div style="clear:both"></div>
<img id="image" src="images/placeholder.png" alt="" width="450px"/>
<p id="des">选择一个图片</p>
</body>
</html>