!DOCTYPE htmlhtml lang="zh-CN"head meta charset="UTF-8" titleTitle/title style * { margin: 0; padding: 0; } .menu-items{ text-align: center; border-bottom: 1px solid #23282e; background-color: #181c20; } ul { margin: 0; padding: 0; list-sty
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
* {
margin: 0;
padding: 0;
}
.menu-items{
text-align: center;
border-bottom: 1px solid #23282e;
background-color: #181c20;
}
ul {
margin: 0;
padding: 0;
list-style-type: none;
}
.right{
width: 80%;
height: 100%;
}
.left {
position: fixed;
background-color: #23282e;
width: 20%;
height: 100%;
}
.menu-title{
text-align: center;
border-bottom: 1px solid #23282e;
}
.hide{
display: none;
}
.menu{
color: white;
}
a{
color: white;
text-decoration: none;
}
li{
margin: 0;
padding: 0;
border-bottom: 1px solid #23282e;
}
</style>
</head>
<body>
<div class="left">
<div class="menu">
<div class="menu-title">menu1</div>
<div class="menu-items hide">
<ul>
<li><a href="https://www.baidu.com">111</a></li>
<li><a href="https://www.baidu.com">222</a></li>
<li><a href="https://www.baidu.com">333</a></li>
</ul>
</div>
<div class="menu-title">menu2</div>
<div class="menu-items hide">
<ul>
<li><a href="https://www.baidu.com">111</a></li>
<li><a href="https://www.baidu.com">222</a></li>
<li><a href="https://www.baidu.com">333</a></li>
</ul>
</div>
<div class="menu-title">menu3</div>
<div class="menu-items hide">
<ul>
<li><a href="https://www.baidu.com">111</a></li>
<li><a href="https://www.baidu.com">222</a></li>
<li><a href="https://www.baidu.com">333</a></li>
</ul>
</div>
</div>
</div>
<div class="right"></div>
<script src="jquery-3.4.1.js"></script>
<script>
$(‘.menu-title‘).click(
function () {
var $currentMenuitem = $(this).next();
$(".menu-items").not($currentMenuitem).addClass(‘hide‘);
$(this).next().toggleClass(‘hide‘);
}
);
</script>
</body>
</html>