一、默认的导航条
制作默认的导航条，可分以下几步：
1.在ul里加上（ul class="nav navbar-nav"）样式；
2.在ul外加一层div或nav(ps:HTML5新属性)，并且添加样式（div class="navbar nabar-default"）;
<nav class="navbar navbar-default"> <ul class="nav navbar-nav"> <li class="active"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >吃饭</a></li> <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >睡觉</a></li> <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >打勇士</a></li> </ul> </nav>
如图下：
So easy吧qaq
二、带有表单的导航条
1.在默认导航条的基础上，再一个form。
2.form中应用样式（form class="navbar-form"）
<nav class="navbar navbar-default"> <ul class="nav navbar-nav"> <li class="active"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >吃饭</a></li> <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >睡觉</a></li> <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >打勇士</a></li> </ul> <form class="navbar-form"> <input type="text" class="form-control" placeholder="猜猜是谁？"> <input type="submit" class="form-control" value="我瞧瞧~"> </form> </nav>
如图下：
擦，写错了，其实我想写打火箭的。。。
三、表单，下拉菜单等冗合的导航条
上一个综合例子，不然一个一个写，小编得coding到天亮，废话少说，直说上料。
<nav class="navbar navbar-default">
<ul class="nav navbar-nav">
<li class="active"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >吃饭</a></li>
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >睡觉</a></li>
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >打勇士</a></li>
<li class="dropdown">
<a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" data-toggle="dropdown" class="dropdown-toggle">西决几比几<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >4:0</a></li>
<li><a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >4:1</a></li>
<li class="disabled"><a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >4:2</a></li>
</ul>
</li>
</ul>
<form class="navbar-form">
<input type="text" class="form-control" placeholder="猜猜是谁？">
<input type="submit" class="form-control" value="我瞧瞧~">
</form>
</nav>
如图下：
咳咳，一般导航都有个大标题，如图下：
实现步骤：
1.在div里添加样式（div class="navbar-header"）；
2.在此div添加a标签(a class="navbar-brand")；
navbar-brand(品牌)也就是大标题啦！
<nav class="navbar navbar-default">
<div class="navbar-header">
<a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="navbar-brand">阿尔德里奇</a>
</div>
<ul class="nav navbar-nav">
<li class="active"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >吃饭</a></li>
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >睡觉</a></li>
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >打勇士</a></li>
<li class="dropdown">
<a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" data-toggle="dropdown" class="dropdown-toggle">西决几比几<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >4:0</a></li>
<li><a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >4:1</a></li>
<li class="disabled"><a href="##" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >4:2</a></li>
</ul>
</li>
</ul>
<form class="navbar-form">
<input type="text" class="form-control" placeholder="猜猜是谁？">
<input type="submit" class="form-control" value="我瞧瞧~">
</form>
</nav>
四、反色导航条
反色导航条其实是Bootstrap框架为大家提供的第二种风格的导航条，只是将"navbar-deafult"类名换成"navbar-inverse"。其他不变，见下图：
个人还是比较喜欢这个风格的，够装逼~
五、固定导航条
顾名思义，其实就是fixed样式,
Bootstrap框架提供了两种固定导航条的方式：
.navbar-fixed-top：导航条固定在浏览器窗口顶部
.navbar-fixed-bottom：导航条固定在浏览器窗口底部
使用方法很简单，只需要在制作导航条最外部容器navbar上追加对应的类名即可
<!--导航条固定在浏览器窗口顶部--> <div class="navbar navbar-default navbar-fixed-top"> … </div> <!--导航条固定在浏览器窗口底部--> <div class="navbar navbar-default navbar-fixed-bottom"> … </div>
六、响应式导航条
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<!-- .navbar-toggle样式用于toggle收缩的内容，即navbar-collapse collapse样式所在元素，-->
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
<span class="sr-only">Toggle Navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<!-- 确保无论是宽屏还是窄屏，navbar-brand都显示 -->
<a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="navbar-brand">我的主页</a>
</div>
<!-- 屏幕宽度小于768px时，div.navbar-collapse容器里的内容都会隐藏，显示icon-bar图标，当点击icon-bar图标时，再展开。屏幕大于768px时，默认显示。 -->
<div id="navbar" class=" collapse navbar-collapse">
<ul class="nav navbar-nav">
<li class="active"><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >吃饭</a></li>
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >睡觉</a></li>
<li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >打火箭</a></li>
</ul>
</div>
</div>
</div>
我这是套的反色导航条的，现在分别看下宽屏和窄屏的显示效果，如图下：
<button>里面是窄屏右上角的按钮，span标签是三道杠，
现在说一下上面代码中第5行，data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar"，这都什么跟什么啊，我这逐一介绍一下；
data-toggle="collapse" 代表 告诉js要什么事件来触发,此处的coolapse为“伸展折叠”；
data-target="#navbar" 代表 谁要以伸展折叠的方式来展示，绑定的是ID；
aria-expanded="false" 代表 是否展开，false。
谈到这aria-*，为无障碍网页应用。主要针对的是视觉缺陷，失聪，行动不便的残疾人以及假装残疾的测试人员。尤其像盲人，眼睛看不到，其浏览网页则需要借助辅助设备，如屏幕阅读器，屏幕阅读机可以大声朗读或者输出盲文。
以上所述是小编给大家介绍的BootStrap 导航条实例代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！
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