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bootstrap-导航条

<body style="padding-top:50px">
<!--
    navbar              导航条的基础样式
    nav navbar-nav        导航条里菜单的固定样式组合class
    navbar-default        导航条的默认样式
    navbar-static-top    导航条为直角
    navbar-fixed-top    导航条固定在上面,一般这时候要给body设置padding值或margin
    navbar-fixed-bottom    导航条固定在下面
 -->
<div class="container">
    <!-- 默认样式的导航条 -->
    <nav class="navbar navbar-default">
        <ul class="nav navbar-nav">
            <li class="active"><a href="#">W3School</a></li>
            <li><a href="#">雪碧</a></li>
            <li><a href="#">果汁</a></li>
        </ul>
    </nav>

    <!-- 黑色的导航条 -->
    <nav class="navbar navbar-inverse">
        <ul class="nav navbar-nav">
            <li class="active"><a href="#">W3School</a></li>
            <li><a href="#">雪碧</a></li>
            <li><a href="#">果汁</a></li>
        </ul>
    </nav>

    <!-- 直角的导航条 -->
    <nav class="navbar navbar-inverse navbar-static-top">
        <ul class="nav navbar-nav">
            <li class="active"><a href="#">W3School</a></li>
            <li><a href="#">雪碧</a></li>
            <li><a href="#">果汁</a></li>
        </ul>
    </nav>

    <!-- 固定在下面/上面的导航条 -->
    <nav class="navbar navbar-inverse navbar-fixed-top">
        <ul class="nav navbar-nav">
            <li class="active"><a href="#">W3School</a></li>
            <li><a href="#">雪碧</a></li>
            <li><a href="#">果汁</a></li>
        </ul>
    </nav>
</div>
<script type="text/javascript" src="jquery/jquery.min.js"></script>
<script type="text/javascript" src="bootstrap/bootstrap.min.js"></script>
</body>

效果:

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导航条的其他样式:

<!--
    navbar-header            导航的头部,一般情况下放logo
    navbar-brand            用来放logo的,需要配合navbar-header
 -->

<!-- 一般情况下都会把nav包在container外面 -->
<nav class="navbar navbar-default">
    <div class="container">
        <div class="navbar-header">
            <a href="#" class="navbar-brand">
                <img src="user_photo.png" height="20"/>
            </a>
        </div>
        
        <ul class="nav navbar-nav">
            <li class="active"><a href="#">W3School</a></li>
            <li><a href="#">雪碧</a></li>
            <li><a href="#">果汁</a></li>
        </ul>
    </div>
</nav>

<!-- 对齐方式的导航条 -->
<nav class="navbar navbar-default">
    <div class="container">
        <div class="navbar-header">
            <a href="#" class="navbar-brand">logo</a>
        </div>
        
        <!-- navbar-left表示内容以左边对齐 -->
        <ul class="nav navbar-nav navbar-left">
            <li class="active"><a href="#">W3School</a></li>
            <li><a href="#">雪碧</a></li>
            <li><a href="#">果汁</a></li>
        </ul>

        <!-- navbar-right表示内容以右边对齐 -->
        <ul class="nav navbar-nav navbar-right">
            <li><a href="#">登陆</a></li>
            <li><a href="#">注册</a></li>
        </ul>
    </div>
</nav>

<!-- 有链接与文字的导航条 -->
<nav class="navbar navbar-default">
    <div class="container">
        <div class="navbar-header">
            <a href="#" class="navbar-brand">logo</a>
        </div>
        
        <!-- navbar-left表示内容以左边对齐 -->
        <ul class="nav navbar-nav navbar-left">
            <li class="active"><a href="#">W3School</a></li>
            <li><a href="#">雪碧</a></li>
            <li><a href="#">果汁</a></li>
        </ul>

        <a href="#" class="navbar-link navbar-text">链接</a>
        <p class="navbar-text">这里是一段文字</p>

        <!-- navbar-right表示内容以右边对齐 -->
        <ul class="nav navbar-nav navbar-right">
            <li><a href="#">登陆</a></li>
            <li><a href="#">注册</a></li>
        </ul>
    </div>
</nav>

<!-- 有表单的导航条 -->
<nav class="navbar navbar-default">
    <div class="container">
        <div class="navbar-header">
            <a href="#" class="navbar-brand">logo</a>
        </div>
        
        <!-- navbar-left表示内容以左边对齐 -->
        <ul class="nav navbar-nav navbar-left">
            <li class="active"><a href="#">W3School</a></li>
            <li><a href="#">雪碧</a></li>
            <li><a href="#">果汁</a></li>
        </ul>

        <button class="btn btn-success navbar-btn">搜索</button>        

        <!-- 如果导航里有form,需要给form添加navbar-form,如果让他们在一行显示添加navbar-left -->
        <form action="aaa.html" class="navbar-form navbar-left">
            <input type="text" class="form-control"/>
            <button class="btn btn-default">搜索</button>
        </form>
        <!-- navbar-right表示内容以右边对齐 -->
        <ul class="nav navbar-nav navbar-right">
            <li><a href="#">登陆</a></li>
            <li><a href="#">注册</a></li>
        </ul>
    </div>
</nav>

效果:

技术分享

bootstrap-导航条