abstract：<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>home</title><link rel="stylesheet" href="static/layui/css/la
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>home</title>
<link rel="stylesheet" href="static/layui/css/layui.css">
<script src="static/layui/layui.js"></script>
<style>
.header {
width: 100%;
height: 50px;
line-height: 50px;
background: #2e6da4;
color: #fff;
}
.title {
margin-left: 20px;
font-size: 20px;
}
.userinfo {
float: right;
margin-right: 10px;
}
.userinfo a {
color: #fff;
}
.menu {
width: 200px;
background: #333744;
position: absolute;
}
.main {
position: absolute;
left: 200px;
right: 0px;
}
.layui-collapse {
border: none;
}
.layui-colla-item {
border-top: none;
}
.layui-colla-title {
background: #42485b;
color: #fff;
}
.layui-colla-content {
border-top: none;
padding: 0px;
}
</style>
</head>
<body>
<!-- header -->
<div class="header">
<span class="title">现代软件工作室--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">
<li class="layui-nav-item">
<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">
<li class="layui-nav-item">
<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">
<li class="layui-nav-item">
<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">
<li class="layui-nav-item">
<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">
<li class="layui-nav-item">
<a href="javascript:;">默认展开</a>
</li>
</ul>
</div>
</div>
</div>
</div>
<!-- 主操作页面 -->
<div class="main">
<iframe src="welcome.html" frameborder="0" scrolling="0" style="width: 100%; height: 100%;"></iframe>
</div>
</body>
</html>
Correcting teacher：查无此人Correction time：2019-04-04 16:19:47
Teacher's summary：完成的不错，好像又看不到你的作业了。在点击菜单时，可以改变iframe框的src，继续加油。