{
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>网站后台</title>
</head>
<body>
<header>
<h1>后台管理系统
<small>v1.0</small>
</h1>
<section>
<em>admin</em>
<button onclick=" location.href=' logout.php' ">退出</button>
</section>
</header>
<nav><a href="/1019/demo1.html" target="content">视频</a><a href="/列表表单\demo1.html" target="content">表格</a><a href="/淘宝页面\demo.html" target="content">淘宝</a></nav><iframe src="" name="content"></iframe>
</body>
</html>
}
