帮我写一个bootstrap4响应式网页,要求布局合理
时间: 2023-07-04 16:17:33 浏览: 62
好的,以下是一个简单的Bootstrap 4响应式网页示例,希望能够满足您的需求:
```
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Bootstrap 4响应式网页示例</title>
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>
<script src="https://cdn.bootcss.com/popper.js/1.15.0/umd/popper.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>
<body>
<nav class="navbar navbar-expand-md navbar-dark bg-dark">
<a class="navbar-brand" href="#">Brand</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 justify-content-end" id="navbarNav">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Features</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Pricing</a>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#">Disabled</a>
</li>
</ul>
</div>
</nav>
<div class="container mt-5">
<div class="row">
<div class="col-lg-8 col-md-8 col-sm-12">
<h1>这是一个响应式网页示例</h1>
<p>这是一个简单的Bootstrap 4响应式网页示例,适用于PC和移动设备。在不同的屏幕尺寸下,网页会自动调整布局,保持良好的展示效果。</p>
<h2>网页布局</h2>
<p>网页布局使用Bootstrap提供的Grid系统,可以方便地进行响应式布局。在大屏幕下,网页采用两栏布局,左侧为主要内容,右侧为辅助内容;在小屏幕下,网页采用单栏布局,主要内容和辅助内容依次排列。</p>
</div>
<div class="col-lg-4 col-md-4 col-sm-12">
<h2>联系我们</h2>
<p>如果您有任何问题或建议,欢迎随时联系我们。</p>
<form>
<div class="form-group">
<label for="exampleInputEmail1">邮箱地址</label>
<input type="email" class="form-control" id="exampleInputEmail1" aria-describedby="emailHelp" placeholder="请输入您的邮箱地址">
</div>
<div class="form-group">
<label for="exampleInputPassword1">密码</label>
<input type="password" class="form-control" id="exampleInputPassword1" placeholder="请输入您的密码">
</div>
<div class="form-group">
<label for="exampleFormControlTextarea1">留言内容</label>
<textarea class="form-control" id="exampleFormControlTextarea1" rows="3"></textarea>
</div>
<button type="submit" class="btn btn-primary">提交</button>
</form>
</div>
</div>
</div>
</body>
</html>
```
以上代码实现了一个响应式网页,包含导航栏、网页标题、网页主体内容和联系我们表单。在大屏幕下,网页采用两栏布局;在小屏幕下,网页采用单栏布局。希望能够对您有所帮助!