导航条bootstrap
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Bootstrap 101 Template</title>
<!-- Bootstrap -->
<link href="css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
<nav class="navbar navbar-default navbar-fixed-top navbar-inverse" role="navigation">
<div class="container-fluid">
<!-- 缩放流式布局 -->
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<!-- 导航头部图片 -->
<a href="#"class="navbar-brand">
<img src="img/brand.png">
</a>
</div>
<!-- 导航条 -->
<div class="collapse navbar-collapse" id="bs">
<ul class="nav navbar-nav">
<li class="active"><a href="#">home</a></li>
<li><a href="">link</a></li>
<!-- 导航条中的下拉菜单选项 -->
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">dropdown
<span class="caret"></span>
</a>
<ul class="dropdown-menu" role="menu">
<li><a href="">link1</a></li>
<li><a href="">link2</a></li>
<li><a href="">link3</a></li>
<li class="divider"></li>
<li><a href="">link4</a></li>
<li class="disabled"><a href="">link5</a></li>
</ul>
</li>
</ul>
<!-- form框中的输入框和按钮 向左 -->
<form action="" class="navbar-form navbar-left" role="search">
<div class="form-group">
<input type="text" class="form-control" placeholder="search">
</div>
<button type="button" class="btn btn-default">submit</button>
</form>
<!-- 导航条和导航中的下拉菜单向右 -->
<ul class="nav navbar-nav navbar-right">
<li><a href="#">link</a></li>
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown">dropdown
<span class="caret"></span>
</a>
<ul class="dropdown-menu" role="menu">
<li><a href="">link1</a></li>
<li><a href="">link2</a></li>
<li><a href="">link3</a></li>
<li class="divider"></li>
<li><a href="">link4</a></li>
<li class="disabled"><a href="">link5</a></li>
</ul>
</li>
</ul>
</div><!-- collapse navbar-collapse -->
</div><!-- container-fluid -->
</nav><!-- nvabar navbar-default -->
<!-- 巨幕 -->
<div class="jumbotron">
<div class="container">
<h1>hello,world!</h1>
<p>This is a simple hero unit, a simple jumbotron-style component for calling extra attention to featured content or information.</p>
<p><a href="#" class="btn btn-success btn-lg" role="button">leam more</a></p>
</div>
</div>
<br>
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="http://cdn.bootcss.com/jquery/1.11.1/jquery.min.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src="js/bootstrap.min.js"></script>
</body>
</html>