引入 Bootstrap.css，jquery.js，Bootstrap.js三個文件
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<link rel="stylesheet" type="text/css" href="CSS/bootstrap.css"/>
<script src="js/jquery.js"></script>
<script src="js/bootstrap.js"></script>
<style type="text/css">
body {
margin: 50px;
}
hr {
border: 1px solid #761C19;
}
</style>
</head>
<!-- bootstrap中的導航組件都依賴於nav類， -->
<!-- 標籤頁 -->
<body>
<ul class="nav nav-tabs">
<li > <a href="">Home</a></li>
<li><a href="">Profile</a></li>
<li><a href="">Messages</a></li>
<li><a href="">Login</a></li>
</ul>
<hr >
<!-- 膠囊式標籤頁 -->
<!-- 使用nav-pills -->
<ul class="nav nav-pills">
<li><a href="">Home</a></li>
<li><a href="">Profile</a></li>
<li><a href="">Messages</a></li>
</ul>
<hr >
<!-- 膠囊式標籤頁也可以垂直方向排列 -->
<ul class="nav nav-pills nav-stacked">
<li><a href="">Home</a></li>
<li><a href="">Profile</a></li>
<li><a href="">Messages</a></li>
</ul>
<hr >
<!-- 兩端對齊的標籤頁 -->
<ul class="nav nav-pills nav-justified">
<li><a href="">Home</a></li>
<li><a href="">Profile</a></li>
<li><a href="">Messages</a></li>
</ul>
<hr >
<!-- 禁用連接 -->
<ul class="nav nav-tabs ">
<li><a href="">Home</a></li>
<li><a href="">Profile</a></li>
<li class="disabled"><a href="">Messages</a></li> <!--禁用-->
</ul>
<hr >
<!-- 帶下拉菜單的標籤頁 -->
<ul class="nav nav-tabs">
<li><a href="">Home</a></li>
<li><a href="">Profile</a></li>
<li class="dropdown">
<a href="" class="dropdown-toggle" data-toggle="dropdown" >More<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="">One</a></li>
<li><a href="">Two</a></li>
<li><a href="">Three</a></li>
</ul>
</li>
</ul>
<hr >
<!-- 帶下拉菜單的膠囊式標籤頁 -->
<ul class="nav nav-pills">
<li><a href="">Home</a></li>
<li><a href="">Profile</a></li>
<li class="dropdown">
<a href="" class="dropdown-toggle" data-toggle="dropdown">More <span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="">One</a></li>
<li><a href="">Two</a></li>
<li><a href="">Three</a></li>
</ul>
</li>
</ul>
<hr >
<!-- 導航條 -->
<nav class="navbar navbar-default">
<div class="container-fluid">
<div class="navbar-header"> <!--導航條（navbar）的頭部-->
<!-- <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button> -->
<a href="" class="navbar-brand">
<img src="image/photo5.png" style="width: 20px;">
</a>
</div>
<ul class="nav navbar-nav">
<li><a href="">論壇首頁</a></li>
<li><a href="">技術論壇</a></li>
<li><a href="">前端論壇</a></li>
<li><a href="">後端論壇</a></li>
</ul>
</div>
</nav>
<!-- 表單 -->
<!-- 將表單放置於navbar-form中 -->
<nav class="navbar navbar-default">
<div class="container-fluid">
<!-- 導航欄頭部 ，navbar-header，navbar-brand-->
<div class="navbar-header">
<div class="navbar-brand">
<img src="image/photo5.png" style="width: 20px;" >
</div>
</div>
<!-- 導航欄選項 -->
<ul class="nav navbar-nav">
<li><a href="">首頁</a></li>
<li><a href="">最新博文</a></li>
<li><a href="">個人中心</a></li>
</ul>
<!-- 導航欄中的文本，navbar-text -->
<p class="navbar-text">Welcome to My <a href="" class="navbar-link">Blog</a> </p>
<!-- 導航欄中的按鈕 -->
<button type="button" class="btn btn-default navbar-btn navbar-right">註冊</button>
<button type="button" class="btn btn-default navbar-btn navbar-right" style="margin-right: 5px;">登錄</button>
<!-- 導航欄搜索框 navbar-form-->
<form class="navbar-form navbar-right" action="" method="">
<div class="form-group">
<input type="text" class="form-control" name="" id="" value="" placeholder="請輸入內容...." />
<button type="button" class="btn btn-default
">Search</button>
</div>
</form>
</div>
</nav>
<!-- 將導航欄置頂 navbar-fixed-top，navbar-fixed-bottom-->
<!-- navbar-inverse 導航條反色 -->
<nav class="navbar navbar-default navbar-fixed-top navbar-inverse">
<div class="container">
<div class="navbar-header">
<div class="navbar-brand">
<img src="image/photo5.png" style="width: 20px;" >
</div>
</div>
<ul class="nav navbar-nav">
<li><a href="">首頁</a></li>
<li><a href="">機器學習</a></li>
<li><a href="">大數據</a></li>
<li><a href="">人工智能</a></li>
</ul>
<button type="button" class="btn btn-default navbar-btn navbar-right">註冊</button>
<button type="button" class="btn btn-default navbar-btn navbar-right" style="margin-right: 5px;">登錄</button>
<form class="navbar-form" action="" method="">
<div class="input-group">
<input type="text" class="form-control" name="" id="" value="" placeholder="請輸入搜索內容" />
<span class="input-group-btn">
<button type="button" class="btn btn-default ">Search</button>
</span>
</div>
</form>
</div>
</nav>
</body>
</html>
