Bootstrap3 _ 导航条

导航条

Bootstrap中所有导航组件都是依靠.nav这个类；改变用来修饰的辅助类，即可改变样式。由于网页环境原因，本页中的示例效果未必准确，以专否沙盒中的运行效果为准。

标签页

<ul class="nav nav-tabs">
  <li role="presentation" class="active"><a href="#">首页</a></li>
  <li role="presentation"><a href="#">电影</a></li>
  <li role="presentation"><a href="#">电视剧</a></li>
</ul>

运行一下

胶囊式标签页 nav-pills

<ul class="nav nav-pills">
  <li role="presentation" class="active"><a href="#">首页</a></li>
  <li role="presentation"><a href="#">电影</a></li>
  <li role="presentation"><a href="#">电视剧</a></li>
</ul>

运行一下

垂直堆叠的胶囊式标签页

<ul class="nav nav-pills nav-stacked">
  ...
</ul>

运行一下

添加下拉菜单

<ul class="nav nav-tabs">
  ...
  <li role="presentation" class="dropdown">
    <a class="dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false">
      Dropdown <span class="caret"></span>
    </a>
    <ul class="dropdown-menu">
      ...
    </ul>
  </li>
  ...
</ul>

运行一下

添加下拉菜单的胶囊式标签页

<ul class="nav nav-pills">
  ...
  <li role="presentation" class="dropdown">
    <a class="dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false">
      Dropdown <span class="caret"></span>
    </a>
    <ul class="dropdown-menu">
      ...
    </ul>
  </li>
  ...
</ul>

运行一下

导航条模板（拖拽外边框的右下角来试试）

<nav class="navbar navbar-default">
  <div class="container-fluid">
    <!-- Brand and toggle get grouped for better mobile display -->
    <div class="navbar-header">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
        <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
      <a class="navbar-brand" href="#">Brand</a>
    </div>

    <!-- Collect the nav links, forms, and other content for toggling -->
    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
      <ul class="nav navbar-nav">
        <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>
        <li><a href="#">Link</a></li>
        <li class="dropdown">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
          <ul class="dropdown-menu">
            <li><a href="#">Action</a></li>
            <li><a href="#">Another action</a></li>
            <li><a href="#">Something else here</a></li>
            <li role="separator" class="divider"></li>
            <li><a href="#">Separated link</a></li>
            <li role="separator" class="divider"></li>
            <li><a href="#">One more separated link</a></li>
          </ul>
        </li>
      </ul>
      <form class="navbar-form navbar-left">
        <div class="form-group">
          <input type="text" class="form-control" placeholder="Search">
        </div>
        <button type="submit" class="btn btn-default">Submit</button>
      </form>
      <ul class="nav navbar-nav navbar-right">
        <li><a href="#">Link</a></li>
        <li class="dropdown">
          <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
          <ul class="dropdown-menu">
            <li><a href="#">Action</a></li>
            <li><a href="#">Another action</a></li>
            <li><a href="#">Something else here</a></li>
            <li role="separator" class="divider"></li>
            <li><a href="#">Separated link</a></li>
          </ul>
        </li>
      </ul>
    </div><!-- /.navbar-collapse -->
  </div><!-- /.container-fluid -->
</nav>

运行一下

带表单的导航条

<nav class="navbar navbar-default">
  <div class="container-fluid">
    <div class="navbar-header">
      <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-2" aria-expanded="false">
        <span class="sr-only">Toggle navigation</span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
        <span class="icon-bar"></span>
      </button>
      <a class="navbar-brand" href="#">Brand</a>
    </div>
    <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-2">
      <form class="navbar-form navbar-left">
        <div class="form-group">
          <input type="text" class="form-control" placeholder="Search">
        </div>
        <button type="submit" class="btn btn-default">Submit</button>
      </form>
    </div>
  </div>
</nav>

运行一下

固定在顶部的导航条

<nav class="navbar navbar-default navbar-fixed-top">
    ...
</nav>

运行一下

固定在底部的导航条

<nav class="navbar navbar-default navbar-fixed-bottom">
    ...
</nav>

运行一下

静止在顶部的导航条

<nav class="navbar navbar-default navbar-static-top">
    ...
</nav>

运行一下

反色导航条

<nav class="navbar navbar-inverse">
  ...
</nav>

运行一下

面包屑导航（递进的层次关系）

<ol class="breadcrumb">
  <li><a href="#">首页</a></li>
  <li><a href="#">天地会</a></li>
  <li class="active">青木堂</li>
</ol>

运行一下

导航条

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