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BootStrap 导航条实例代码
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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：

BootStrap 导航条实例代码

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：

BootStrap 导航条实例代码

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：

BootStrap 导航条实例代码

咳咳，一般导航都有个大标题，如图下：

BootStrap 导航条实例代码

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：

BootStrap 导航条实例代码

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：

BootStrap 导航条实例代码

BootStrap 导航条实例代码

<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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