两种风格：
1：点菜单项，每个子菜单项都可显示
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>30秦甜甜_实训13-2_2_180701802230_18计算机2班</title>
</head>
<style type="text/css">
* {
padding: 0;
margin: 0;
list-style: none;
}
.menu-list {
width: 300px;
margin: 60px auto;
border: 2px solid #bbffff;
}
.menu-head {
background-color: #aaaaff;
text-align: center;
height: 100px;
line-height: 100px;
}
.menu-body>li {
height: 60px;
line-height: 60px;
text-align: center;
}
</style>
<script src="/UploadFiles/2021-04-02/jquery.js">
运行结果图：
2：点菜单项，仅当前子菜单项可显示，其余子菜单隐藏
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>30秦甜甜_实训13-2_3_180701802230_18计算机2班</title>
</head>
<style type="text/css">
* {
padding: 0;
margin: 0;
list-style: none;
}
.menu-list {
width: 300px;
margin: 60px auto;
border: 2px solid #bbffff;
}
.menu-head {
background-color: #aaaaff;
text-align: center;
height: 100px;
line-height: 100px;
}
.menu-body>li {
height: 60px;
line-height: 60px;
text-align: center;
}
</style>
<script src="/UploadFiles/2021-04-02/jquery.js">
运行结果图：
总结