abstract：<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>后台管理系统</title> <link rel="stylesheet" href="static/layui
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>后台管理系统</title>
<link rel="stylesheet" href="static/layui/css/layui.css">
<script type="text/javascript" src="static/layui/layui.js"></script>
<style type="text/css">
.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:0;}
</style>
</head>
<body>
<!-- header -->
<div>
<span>狗东商城----后台管理系统</span>
<span>admin [系统管理员] <span><a href=""> 退出 </a></span></span>
</div>
<!-- 菜单 -->
<div id="menu">
<div>
<div>
<h2>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 layui-nav-itemed">
<a href="javascript:;">默认展开</a>
</li>
<li>
<a href="javascript:;">解决方案</a>
</li>
<li><a href="">产品</a></li>
<li><a href="">大数据</a></li>
</ul>
</div>
</div>
<div>
<h2>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 layui-nav-itemed">
<a href="javascript:;">默认展开</a>
</li>
<li>
<a href="javascript:;">解决方案</a>
</li>
<li><a href="">产品</a></li>
<li><a href="">大数据</a></li>
</ul>
</div>
</div>
<div>
<h2>系统管理</h2>
<div class="layui-colla-content layui-show">
<ul class="layui-nav layui-nav-tree" lay-filter="test">
<li class="layui-nav-item layui-nav-itemed">
<a href="javascript:;">默认展开</a>
</li>
<li>
<a href="javascript:;">解决方案</a>
</li>
<li><a href="">产品</a></li>
<li><a href="">大数据</a></li>
</ul>
</div>
</div>
</div>
<div>
<h2>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 layui-nav-itemed">
<a href="javascript:;">默认展开</a>
</li>
<li>
<a href="javascript:;">解决方案</a>
</li>
<li><a href="">产品</a></li>
<li><a href="">大数据</a></li>
</ul>
</div>
</div>
<div>
<h2>系统管理</h2>
<div class="layui-colla-content layui-show">
<ul class="layui-nav layui-nav-tree" lay-filter="test">
<li class="layui-nav-item layui-nav-itemed">
<a href="javascript:;">默认展开</a>
</li>
<li>
<a href="javascript:;">解决方案</a>
</li>
<li><a href="">产品</a></li>
<li><a href="">大数据</a></li>
</ul>
</div>
</div>
</div>
</div>
<!-- 主操作页面 -->
<div>
<iframe src="welcome.html" style="width:100%;height:100%;" frameborder="0" scrolling="0"></iframe>
</div>
</body>
</html>
Correcting teacher：韦小宝Correction time：2018-11-07 14:02:22
Teacher's summary：不错啊！写的很完整！下次记得写点总结来归纳一下！以后还可以当做笔记来阅读呢！
