<!DOCTYPE html>
<html>
<head>
<title>Bootstrap实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css">
<script src="https://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script>
<script src="https://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>
</head>
<body>
<nav class="navbar navbar-inverse">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="#">WebSiteName</a>
</div>
<ul class="nav navbar-nav">
<li class="active"><a href="#">Home</a></li>
<li><a href="#">Page 1</a></li>
<li><a href="#">Page 2</a></li>
</ul>
<form class="navbar-form navbar-left" action="//example/html/action_page.aspx">
<div class="form-group">
<input type="text" class="form-control" placeholder="Search" name="search">
</div>
<button type="submit" class="btn btn-default">Submit</button>
</form>
</div>
</nav>
<div class="container">
<h3>Navbar Forms</h3>
<p>Use the .navbar-form class to vertically align form elements (same padding as links) inside the navbar.</p>
</div>
</body>
</html>