<title>Bootstrap 实例 - 面板标题</title>
<link rel="stylesheet" href="/css/bootstrap/bootstrap3.3.7.min.css">
<script src="/js/bootstrap/jquery.min.js"></script>
<script src="/js/bootstrap/bootstrap3.3.7.min.js"></script>
<div class="panel panel-default">
<div class="panel-heading">
<div class="panel panel-default">
<div class="panel-heading">