abstract：<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, in
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>后台首页</title>
<link rel="stylesheet" href="layui-v2.5.4/layui/css/layui.css">
<script src="layui-v2.5.4/layui/layui.js"></script>
<style>
*{
margin: 0;
padding: 0;
}
.header{
width: 100%;height: 50px;background: #2e6da4;color: white;line-height: 50px;
}
.header a{
color: white;
}
.menu{
position: absolute;
}
.header-left{
margin-left: 20px;font-size: 20px;
}
.header-right{
float: right;font-size: 14px;margin-right: 10px;
}
.layui-collapse,.layui-colla-item{
border: none;
}
.layui-colla-title{
background:#42485b;color: white;
}
.layui-colla-content {
border-top: none;padding: 0;
}
.main{
position: absolute;left:200px;right: 0;}
</style>
</head>
<body>
<!-- 头部 -->
<div class="header">
<span class="header-left">JD商城--后台管理系统</span>
<span class="header-right">admin【系统管理员】<a href="">退出</a></span>
</div>
<!-- 左侧菜单 -->
<div class="menu" style="width: 200px;background: #333744">
<div class="layui-collapse" lay-accordion>
<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:;">管理员列表</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:;">菜单管理</a>
</li>
<li class="layui-nav-item layui-nav-itemed">
<a href="javascript:;">角色管理</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:;">网站设置</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:;">分类列表</a>
</li>
</ul>
</div>
</div>
<div class="layui-colla-item">
<h2 class="layui-colla-title">商品管理</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:;">产品列表</a>
</li>
</ul>
</div>
</div>
<div class="layui-colla-item">
<h2 class="layui-colla-title">幻灯片管理</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:;">首页首屏</a>
</li>
</ul>
</div>
</div>
</div>
</div>
<!-- 主操作页 -->
<div class="main">
<iframe src="welcome.html" frameborder="0" scrolling="0" style="width:100%;height:100%;"></iframe>
</div>
<script>
//注意：折叠面板 依赖 element 模块，否则无法进行功能性操作
layui.use('element', function(){
var element = layui.element;
//…
});
</script>
</body>
</html>
Correcting teacher：天蓬老师Correction time：2019-08-30 16:17:17
Teacher's summary：后台首页的内容, 是通过 iframe加载的, 除了这个方式, 其实还可以用ajax