1.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<link rel="stylesheet" href="css/bootstrap.css">
<script src="js/jquery.1.12.4.min.js"></script>
<script src="js/bootstrap.js"></script>
<script src="js/docs.min.js"></script>
<title>Bootstrap</title>
</head>
<style type="text/css">
*{
font-family: 微软雅黑;
}
</style>
<body>
<div class="container">
<div class="page-header"></div>
<a tabindex="0" class="btn btn-lg btn-danger bs-docs-popover" role="button" data-toggle="popover" data-trigger="focus" title="" data-content="And here's some amazing content. It's very engaging. Right?" data-original-title="Dismissible popover">可消失的弹出框</a>
</div>
</body>
</html>
2.
< button type="button" class="btn btn-lg btn-danger bs-docs-popover"
data-toggle="popover" title="" data-content=
"And here's some amazing content. It's very engaging. Right?"
data-original-title="Popover title">点我弹出/隐藏弹出框</button>
