<html>
<head>
<title>Bootstrap 实例 - 基本的按钮组</title>
<link href="https://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<script src="https://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script src="https://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
</head>
<body>
<div class="btn-group">
<button type="button" class="btn btn-default">按钮 1</button>
<button type="button" class="btn btn-default">按钮 2</button>
<button type="button" class="btn btn-default">按钮 3</button>
</div>
</body>
</html>