代码

引入bootstrap.js 和bootstrap.css两个文件

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Bootstrap 实例</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css">
    <script src="https://cdn.bootcss.com/jquery/2.1.1/jquery.min.js"></script>
    <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
    <style>
        body {
            position: relative;
        }
        ul.nav-pills {
            top: 20px;
            position: fixed;
        }
        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="20">

<div class="container">
    <div class="row">
        <nav class="col-sm-3" id="myScrollspy">
            <div class="container-fluid"> 
            <div class="container-fluid"> 
            <ul class="nav nav-pills nav-stacked">
                <li class="active"><a href="#section1">Section 1</a></li>
                <li><a href="#section2">Section 2</a></li>
                <li><a href="#section3">Section 3</a></li>
                <li class="dropdown">
                    <a class="dropdown-toggle" data-toggle="dropdown" href="#">Section 4 <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="#section41">Section 4-1</a></li>
                        <li><a href="#section42">Section 4-2</a></li>                     
                    </ul>
                </li>
            </ul>
            </div>    
            </div>        
        </nav>
        <div class="col-sm-9">
            <div id="section1">    
                <h1>Section 1</h1>
                <p>Try to scroll this section and look at the navigation list while scrolling!</p>
            </div>
            <div id="section2"> 
                <h1>Section 2</h1>
                <p>Try to scroll this section and look at the navigation list while scrolling!</p>
            </div>        
            <div id="section3">         
                <h1>Section 3</h1>
                <p>Try to scroll this section and look at the navigation list while scrolling!</p>
            </div>
            <div id="section41">         
                <h1>Section 4-1</h1>
                <p>Try to scroll this section and look at the navigation list while scrolling!</p>
            </div>      
            <div id="section42">         
                <h1>Section 4-2</h1>
                <p>Try to scroll this section and look at the navigation list while scrolling!</p>
            </div>
        </div>
    </div>
</div>

</body>
</html>

 

posted on 2018-07-07 15:15  丁昆  阅读(227)  评论(0编辑  收藏  举报