元素上使用 h-* 类 (.h-25, .h-50, .h-75, .h-100, .mh-100) 来设置高度:
实例：
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap4 实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.1.0/css/bootstrap.min.css" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" rel="external nofollow" target="_blank" >
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></script>
<script src="https://cdn.bootcss.com/popper.js/1.12.5/umd/popper.min.js" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></script>
<script src="https://cdn.bootcss.com/bootstrap/4.1.0/js/bootstrap.min.js" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" ></script>
</head>
<body>
<div class="container">
<h1>高度小工具</h1>
<p>元素上使用 h-* 类 (.h-25, .h-50, .h-75, .h-100, .mh-100) 来设置高度:</p>
<div style="height:200px;background-color:#ddd">
<div class="h-25 d-inline-block p-2 bg-warning">高度 25%</div>
<div class="h-50 d-inline-block p-2 bg-warning">高度 50%</div>
<div class="h-75 d-inline-block p-2 bg-warning">高度 75%</div>
<div class="h-100 d-inline-block p-2 bg-warning">高度 100%</div>
<div class="mh-100 d-inline-block p-2 bg-warning" style="height:500px">最大高度 100%</div>
</div>
</div>
</body>
</html> |
发表于 2025-3-3 10:26
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