bootstrap响应式网页案例
时间: 2023-12-09 07:04:11 浏览: 35
以下是一个使用 Bootstrap 开发的响应式网页案例:
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Bootstrap Responsive Website</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css">
<link rel="stylesheet" href="style.css">
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">My Website</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNav">
<ul class="navbar-nav ml-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">About</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Services</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Contact</a>
</li>
</ul>
</div>
</nav>
<div class="jumbotron">
<h1 class="display-4">Welcome to My Website</h1>
<p class="lead">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla gravida diam et tellus luctus ullamcorper. Fusce id varius sapien.</p>
<hr class="my-4">
<p>Suspendisse potenti. Vestibulum at diam euismod, volutpat elit vel, malesuada nulla. Phasellus dictum, dui a iaculis eleifend, erat nibh aliquam neque, ac lacinia ante felis ac nulla.</p>
<a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a>
</div>
<div class="container">
<div class="row">
<div class="col-lg-4 col-md-6 col-sm-12">
<div class="card">
<img src="https://source.unsplash.com/600x400/?nature,water" class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">Nature</h5>
<p class="card-text">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla gravida diam et tellus luctus ullamcorper.</p>
<a href="#" class="btn btn-primary">Learn more</a>
</div>
</div>
</div>
<div class="col-lg-4 col-md-6 col-sm-12">
<div class="card">
<img src="https://source.unsplash.com/600x400/?technology,computer" class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">Technology</h5>
<p class="card-text">Nulla gravida diam et tellus luctus ullamcorper. Fusce id varius sapien.</p>
<a href="#" class="btn btn-primary">Learn more</a>
</div>
</div>
</div>
<div class="col-lg-4 col-md-6 col-sm-12">
<div class="card">
<img src="https://source.unsplash.com/600x400/?food,restaurant" class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">Food</h5>
<p class="card-text">Phasellus dictum, dui a iaculis eleifend, erat nibh aliquam neque, ac lacinia ante felis ac nulla.</p>
<a href="#" class="btn btn-primary">Learn more</a>
</div>
</div>
</div>
</div>
</div>
<footer class="text-center">
<p>© 2020 My Website</p>
</footer>
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"></script>
</body>
</html>
```
在上面的代码中,我们使用了 Bootstrap 的网格系统来实现响应式布局。其中,`col-lg-4` 表示在大屏幕设备上每行显示 3 个卡片,`col-md-6` 表示在中等屏幕设备上每行显示 2 个卡片,`col-sm-12` 表示在小屏幕设备上每行只显示 1 个卡片。
同时,我们还使用了 Bootstrap 的导航栏、Jumbotron、卡片等组件,以及其中的样式类来实现页面的布局和美化。最后,我们还引入了 jQuery 和 Popper.js 来支持 Bootstrap 的一些 JavaScript 功能。