结合Layui搭建JD商城后台管理系统
整合Layui折叠面板和导航模块，搭建网页侧边导航。
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>后台管理系统</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" type="text/css" media="screen" href="../static/plugins/layui/css/layui.css" />
<script type="text/javascript" src="../static/plugins/layui/layui.js"></script>
<style type="text/css">
.header {
width: 100%;
height: 50px;
line-height: 50px;
background: #2e6da4;
color: #ffffff;
}
.title {
margin-left: 20px;
font-size: 20px;
}
.userinfo {
float: right;
margin-right: 10px;
}
.userinfo a {
color: #ffffff;
}
.menu {
width: 200px;
background: #333744;
position: absolute;
}
.main{
position: absolute;
left: 200px;
right: 0;
}
.layui-collapse {
border: none;
}
.layui-colla-item {
border-top: none;
}
.layui-colla-title {
background: #42485b;
color: #ffffff;
}
.layui-colla-content {
border-top: none;
padding: 0;
}
</style>
</head>
<body>
<!-- 头部 -->
<div class="header">
<span class="title">JD商城--后台管理系统</span>
<span class="userinfo">admin [系统管理员] <span> <a href="#"> 退出 </a> </span> </span>
</div>
<!-- 菜单 -->
<div class="menu" id="menu">
<div class="layui-collapse">
<div class="layui-colla-item">
<h2 class="layui-colla-title">管理员管理</h2>
<div class="layui-colla-content layui-show">
<ul class="layui-nav layui-nav-tree" lay-filter="test">
<!-- 侧边导航: <ul class="layui-nav layui-nav-tree layui-nav-side"> -->
<li class="layui-nav-item layui-nav-itemed">
<a href="javascript:;">默认展开</a>
</li>
</ul>
</div>
</div>
<div class="layui-colla-item">
<h2 class="layui-colla-title">权限管理</h2>
<div class="layui-colla-content layui-show">
<ul class="layui-nav layui-nav-tree" lay-filter="test">
<!-- 侧边导航: <ul class="layui-nav layui-nav-tree layui-nav-side"> -->
<li class="layui-nav-item layui-nav-itemed">
<a href="javascript:;">默认展开</a>
</li>
</ul>
</div>
</div>
<div class="layui-colla-item">
<h2 class="layui-colla-title">系统设置</h2>
<div class="layui-colla-content layui-show">
<ul class="layui-nav layui-nav-tree" lay-filter="test">
<!-- 侧边导航: <ul class="layui-nav layui-nav-tree layui-nav-side"> -->
<li class="layui-nav-item layui-nav-itemed">
<a href="javascript:;">默认展开</a>
</li>
</ul>
</div>
</div>
<div class="layui-colla-item">
<h2 class="layui-colla-title">商品分类</h2>
<div class="layui-colla-content layui-show">
<ul class="layui-nav layui-nav-tree" lay-filter="test">
<!-- 侧边导航: <ul class="layui-nav layui-nav-tree layui-nav-side"> -->
<li class="layui-nav-item layui-nav-itemed">
<a href="javascript:;">默认展开</a>
</li>
</ul>
</div>
</div>
<div class="layui-colla-item">
<h2 class="layui-colla-title">产品管理</h2>
<div class="layui-colla-content layui-show">
<ul class="layui-nav layui-nav-tree" lay-filter="test">
<!-- 侧边导航: <ul class="layui-nav layui-nav-tree layui-nav-side"> -->
<li class="layui-nav-item layui-nav-itemed">
<a href="javascript:;">默认展开</a>
</li>
</ul>
</div>
</div>
</div>
</div>
<!-- 主操作界面 -->
<div class="main">
<iframe src="welcome.html" frameborder="0" style="width: 100%;height: 100%;" scrolling="0"></iframe>
</div>
</body>
</html>