<!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>
<style>
body { position: relative;
}
.affix { top: 20px;
z-index: 9999 !important;
}
div.col-sm-9 div { height: 250px;
font-size: 28px;
}
#section1 {color: #fff; background-color: #1E88E5;} #section2 {color: #fff; background-color: #673ab7;} #section3 {color: #fff; background-color: #ff9800;} #section41 {color: #fff; background-color: #00bcd4;} #section42 {color: #fff; background-color: #009688;}
@media screen and (max-width: 810px) { #section1, #section2, #section3, #section41, #section42 { margin-left: 150px;
}
}
</style>
</head>
<body data-spy="scroll" data-target="#myScrollspy" data-offset="15">
<div class="container-fluid" style="background-color:#2196F3;color:#fff;height:220px;">
<h1>Scrollspy & Affix实例</h1>
<h3>附加垂直导航条</h3>
<p>滚动页面以查看使用 data-spy="affix" 与 data-spy="scrollspy" 后的导航条行为</p>
<p>在滚动指定数量的像素后，左侧菜单会附加页面，菜单中的链接会根据滚动位置自动更新。</p>
</div>