<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap 实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.1.2/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.1.2/js/bootstrap.bundle.js"></script>
</head>
<body>
<nav class="navbar navbar-expand-sm navbar-dark bg-dark">
<div class="container-fluid">
<a class="navbar-brand" href="javascript:void(0)">Logo</a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#mynavbar">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="mynavbar">
<ul class="navbar-nav me-auto">
<li class="nav-item">
<a class="nav-link" href="javascript:void(0)">链接</a>
</li>
<li class="nav-item">
<a class="nav-link" href="javascript:void(0)">链接</a>
</li>
<li class="nav-item">
<a class="nav-link" href="javascript:void(0)">链接</a>
</li>
</ul>
<form class="d-flex">
<input class="form-control me-2" type="text" placeholder="Search">
<button class="btn btn-primary" type="button">Search</button>
</form>
</div>
</div>
</nav>
<div class="container-fluid mt-3">
<h3>导航栏表单</h3>
<p>您还可以在导航栏中包含表单。</p>
</div>
</body>
</html>
