<title>Bootstrap 实例 - 可取消的警告(Dismissal Alerts)</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="alert alert-success alert-dismissable">
<button type="button" class="close" data-dismiss="alert"
<div class="alert alert-info alert-dismissable">
<button type="button" class="close" data-dismiss="alert"