<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Bootstrap 字体图标</title>
<link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<p>
<button class="btn btn-default">
<span class="glyphicon glyphicon-sort-by-attributes"></span>
</button>
<button class="btn btn-default">
<span class="glyphicon glyphicon-sort-by-attributes-alt"></span>
</button>
<button class="btn btn-default">
<span class="glyphicon glyphicon-sort-by-order"></span>
</button>
<button class="btn btn-default">
<span class="glyphicon glyphicon-sort-by-order-alt"></span>
</button>
</p>
<button class="btn btn-default btn-lg">
<span class="glyphicon glyphicon-user"></span>User
</button>
<button class="btn btn-default btn-sm">
<span class="glyphicon glyphicon-user"></span>User
</button>
<button class="btn btn-default btn-xs">
<span class="glyphicon glyphicon-user"></span>User
</button>
</div>
<script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</body>
</html>
