如何在 Bootstrap 中设置一列控制高度？
使用 Bootstrap 创建一个 HTML 文档，并创建多个列。任务是使用 Bootstrap 将控件设置为超过高度的列。这样做的方法是利用左列中的另一个 div 内部。向内的划分应该是位置:绝对的。
示例:
超文本标记语言
<!DOCTYPE html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content=
"width=device-width, initial-scale=1,
shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href=
"https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css"
integrity=
"sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk"
crossorigin="anonymous">
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js,
then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"
integrity=
"sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj"
crossorigin="anonymous">
</script>
<script src=
"https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js"
integrity=
"sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo"
crossorigin="anonymous">
</script>
<script src=
"https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"
integrity=
"sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI"
crossorigin="anonymous">
</script>
<title>
How to set one column control
over height in Bootstrap ?
</title>
<style type="text/css">
.bg-1 {
background-color: yellow;
}
.bg-2 {
background-color: lightgreen;
}
</style>
</head>
<body>
<center>
<h1 style="color: green">
GeeksforGeeks
</h1>
</center>
<div class='container'>
<div class='row'>
<div class='col-3 bg-1 overflow-auto'>
<div class="position-absolute">
A Computer Science portal for geeks.
It contains well written, well thought
and well explained computer science
and programming articles, quizzes and
many other contents.
A Computer Science portal for geeks.
It contains well written, well thought
and well explained computer science
and programming articles, quizzes and
many other contents.
</div>
</div>
<div class='col-9 bg-2'>
A Computer Science portal for geeks.
It contains well written, well thought
and well explained computer science
and programming articles, quizzes and
many other contents.
A Computer Science portal for geeks.
It contains well written, well thought
and well explained computer science
and programming articles, quizzes and
many other contents.
A Computer Science portal for geeks.
It contains well written, well thought
and well explained computer science
and programming articles, quizzes and
many other contents.
</div>
</div>
</div>
</body>
</html>
输出:
在上面的示例中， 位置属性用于相对于其父级的位置放置组件，并更改其周围的布局。 溢出属性指示在内容溢出元素框的情况下应该发生什么。此属性指示当元素的内容足够大以适合指定区域时，是剪切内容还是包含滚动条。
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