浏览器运行效果：
盒子案例视频
JQuery下载：
http://链接：https://pan.baidu.com/s/1_-gBgHl3MrK-JtWg3444Cw?pwd=4332 提取码：4332
运行代码展示：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>盒子案例</title>
<style type="text/css">
* {
margin: 0 auto;
padding: 0;
}
.clear {
clear: both;
}
a {
padding: 0 73px;
text-decoration: none;
color: #000;
background-color: #CCC;
font-size: 26px;
}
#nav {
position: relative;
}
li {
float: left;
width: 198px;
border: 1px solid #333;
text-align: center;
list-style-type: none;
}
.box {
border: 1px solid #333;
width: 800px;
height: 380x;
margin: 0 auto;
margin-top: 50px;
text-align: center;
}
.one {
position: absolute;
left: 0;
top: 2em;
width: 800px;
height: 360px;
}
#red {
background-color: red;
display: none;
}
#blue {
background-color: blue;
display: none;
}
#green {
background-color: green;
display: none;
}
#orange {
background-color: orange;
display: none;
}
</style>
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<script type="text/javascript">
$(document).ready(function () {
$('#nav').find('a').mouseover(function () {
var ys = $(this).attr('yanse');
$('#nav a').css({ 'background': '#CCC' });
$(this).css({ 'background': ys });
$('#nav .one').css({ 'display': 'none' });
$(this).next().css({ 'display': 'block' });
});
});
</script>
</head>
<body>
<div class="box">
<ul id="nav">
<li>
<a id="btn-red" href="#" yanse="red">红色</a>
<div class="one" id="red">红色模块区域1</div>
</li>
<li>
<a id="btn-blue" href="#" yanse="blue">蓝色</a>
<div class="one" id="blue">蓝色模块区域2</div>
</li>
<li>
<a id="btn-green" href="#" yanse="green">绿色</a>
<div class="one" id="green">绿色模块区域3</div>
</li>
<li>
<a id="btn-orange" href="#" yanse="orange">橙色</a>
<div class="one" id="orange">橙色模块区域4</div>
</li>
</ul>
</div>
</body>
</html>
