<!DOCTYPE html>
<html>
<head>
<title>Bootstrap实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css">
<script src="https://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script>
<script src="https://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h3>Tooltip实例</h3>
<p>data-placement 属性指定 tooltip 的位置</p>
<ul class="list-inline">
<li><a href="#" data-toggle="tooltip" data-placement="top" title="Hooray!">上</a></li>
<li><a href="#" data-toggle="tooltip" data-placement="bottom" title="Hooray!">下</a></li>
<li><a href="#" data-toggle="tooltip" data-placement="left" title="Hooray!">左</a></li>
<li><a href="#" data-toggle="tooltip" data-placement="right" title="Hooray!">右</a></li>
</ul>
</div>
<script>
$(document).ready(function(){ $('[data-toggle="tooltip"]').tooltip(); });
</script>
</body>
</html>