bootstrap完整导航栏

时间：2022-05-09 23:29:07

效果图：

bootstrap完整导航栏

代码：

<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<title>Title</title>

<script src="bootstrap-3.3.6-dist/js/jquery-1.11.2.min.js"></script>

<link href="bootstrap-3.3.6-dist/css/bootstrap.css" rel="stylesheet">

<script src="bootstrap-3.3.6-dist/js/bootstrap.js"></script>

<style>

body

{

    padding-top: 70px;

}

</style>

</head>

<body>

//添加navbar-fixed-top可以让导航条一直固定在顶部，不会因为滚动条改变而改变，navbar-inverse让导航条黑底展示
<nav class="navbar navbar-default navbar-fixed-top navbar-inverse" role="navigation">
　　<div class="container">　　//container让导航条居中container-fluid让导航条自适应
　　
　　　　<div class="navbar-header">
　　　　　　//粉色字体代表响应式布局：当浏览器宽度小于某个值时导航栏折叠变成三道杠

            <button class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" type="button">

                <span class="sr-only">看看这是什么</span>

                <span class="icon-bar"></span>

                <span class="icon-bar"></span>

                <span class="icon-bar"></span>

            </button>

       //绿色代表导航栏左侧logo或者图标    
　　　　 　　<a class="navbar-brand" href="www.baidu.com">浏览器博物馆</a>

        </div>
　　　　//棕色包裹项目是导航条内容，为了响应式布局，点击三道杠弹出导航栏

        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">

　　　　　　　　//紫色代表导航栏中的项目
　　　　　　 <ul class="nav navbar-nav">

                <li><a href="www.baidu.com">综述</a></li>

                <li>//蓝色为下拉菜单

                    <a class="dropdown-toggle" data-toggle="dropdown" href="www.baidu.com">简述<span class="caret"></span></a>

                    <ul class="dropdown-menu" role="menu">

                        <li><a href="#">谷歌浏览器</a></li>

                        <li><a href="#">IE浏览器</a></li>

                        <li><a href="#">360浏览器</a></li>

                        <li><a href="#">谷歌火狐浏览器</a></li>

                    </ul>
　　　　　　　　　　</li>

                <li><a href="www.baidu.com">特点</a></li>

                <li><a href="www.baidu.com">关于</a></li>

            </ul>

        </div>

    </div>

</nav>

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</body>

</html>

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