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法律研究Bootstrap 4 .flex-*-row-reverse 类的实现
要将 flex 项目实现为反向、水平和右对齐，并且用于不同的屏幕尺寸，请使用 flex-*-row-reverse。
不同的屏幕尺寸适用于小屏、中屏、大屏和超大屏。让我们看看如何针对小屏幕设置反向 flex 项目 −
<div class="d-flex flex-sm-row-reverse bg-primary mb-3"> <div class="p-2 bg-primary">ONE</div> <div class="p-2 bg-secondary">TWO</div> <div class="p-2 bg-danger">THREE</div> </div>
你可以尝试运行以下代码来实现 flex-*-row-reverse 类 −
示例
<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap Example</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script> </head> <body> <div class="container mt-3"> <h2>Flex Row</h2> <div class="d-flex flex-row bg-primary mb-3"> <div class="p-2 bg-danger">ONE</div> <div class="p-2 bg-primary">TWO</div> <div class="p-2 bg-warning">THREE</div> </div> <h2>Flex Row Reverse</h2> <div class="d-flex flex-row-reverse bg-primary mb-3"> <div class="p-2 bg-primary">ONE</div> <div class="p-2 bg-secondary">TWO</div> <div class="p-2 bg-danger">THREE</div> </div> <h2>Flex Row Reverse (Small Width)</h2> <div class="d-flex flex-sm-row-reverse bg-primary mb-3"> <div class="p-2 bg-primary">ONE</div> <div class="p-2 bg-secondary">TWO</div> <div class="p-2 bg-danger">THREE</div> </div> <h2>Flex Row Reverse (Medium Width)</h2> <div class="d-flex flex-md-row-reverse bg-primary mb-3"> <div class="p-2 bg-primary">ONE</div> <div class="p-2 bg-secondary">TWO</div> <div class="p-2 bg-danger">THREE</div> </div> <h2>Flex Row Reverse (Large Width)</h2> <div class="d-flex flex-lg-row-reverse bg-primary mb-3"> <div class="p-2 bg-primary">ONE</div> <div class="p-2 bg-secondary">TWO</div> <div class="p-2 bg-danger">THREE</div> </div> </div> </body> </html>
更新于：2020 年 6 月 18 日
329 次浏览
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