在 Bootstrap 4 中对不同屏幕上的 Flex 项目进行拉伸
若要对 Bootstrap 4 中的不同屏幕上的 Flex 项目进行拉伸,请使用 .align-self-*-stretch 类。
若要在不同的屏幕上拉伸,你需要使用 align-self-sm-stretch、align-self-md-stretch、align-self-lg-stretch 等。以下是针对小型屏幕大小的一个示例:-
<div class="d-flex bg-secondary" style="height:200px"> <div class="p-2 border">A-one</div> <div class="p-2 border">B-one</div> <div class="p-2 border align-self-sm-stretch">C-one</div> <div class="p-2 border">D-one</div> </div>
你可以尝试运行以下代码,在不同的屏幕大小上拉伸 Flex 项目:-
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"> <h1>Align Specific Flex Item and Stretch</h1> <div class="d-flex bg-primary" style="height:200px"> <div class="p-2 border">A-one</div> <div class="p-2 border">B-one</div> <div class="p-2 border align-self-stretch">C-one</div> <div class="p-2 border">D-one</div> </div> <h2>Small Screen Size</h2> <div class="d-flex bg-primary" style="height:200px"> <div class="p-2 border">A-one</div> <div class="p-2 border">B-one</div> <div class="p-2 border align-self-sm-stretch">C-one</div> <div class="p-2 border">D-one</div> </div> <h2>Medium Screen Size</h2> <div class="d-flex bg-secondary" style="height:200px"> <div class="p-2 border">A-one</div> <div class="p-2 border">B-one</div> <div class="p-2 border align-self-md-stretch">C-one</div> <div class="p-2 border">D-one</div> </div> <h2>Large Screen Size</h2> <div class="d-flex bg-info" style="height:200px"> <div class="p-2 border">A-one</div> <div class="p-2 border">B-one</div> <div class="p-2 border align-self-lg-stretch">C-one</div> <div class="p-2 border">D-one</div> </div> </div> </body> </html>
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