Ste*_*ter 0 twitter-bootstrap bootstrap-4
使用引导程序标签控件。它在引导程序3.3.7中正确显示 https://jsfiddle.net/steve_richter/evn2ncbo/7/
<!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/3.3.7/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/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h3>Tabs</h3>
<ul class="nav nav-tabs">
<li class="active"><a href="#">Home</a></li>
<li><a href="#">Menu 1</a></li>
<li><a href="#">Menu 2</a></li>
<li><a href="#">Menu 3</a></li>
</ul>
<br>
<p><strong>Note:</strong> This example shows how to create a basic navigation tab. It is not toggleable/dynamic yet (you can't click on the links to display different content)- see the last example in the Bootstrap Tabs and Pills Tutorial to find out how this can be done.</p>
</div>
</body>
</html>但在Bootstrap 4.0.0中不正确 https://jsfiddle.net/steve_richter/evn2ncbo/1/
<!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/4.0.0/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/4.0.0/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h3>Tabs</h3>
<ul class="nav nav-tabs">
<li class="active"><a href="#">Home</a></li>
<li><a href="#">Menu 1</a></li>
<li><a href="#">Menu 2</a></li>
<li><a href="#">Menu 3</a></li>
</ul>
<br>
<p><strong>Note:</strong> This example shows how to create a basic navigation tab. It is not toggleable/dynamic yet (you can't click on the links to display different content)- see the last example in the Bootstrap Tabs and Pills Tutorial to find out how this can be done.</p>
</div>
</body>
</html>为什么较旧的版本会起作用，而不是当前的版本？
谢谢，
在Bootstrap 4中，您的<a>元素需要nav-link类才能使选项卡正确显示。理想情况下，<li>还应该为您的元素分配nav-item类。最后，您的active课程应该放在<a>标签上，而不是<li>标签上。
这是一个工作示例：
<!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/4.0.0/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/4.0.0/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h3>Tabs</h3>
<ul class="nav nav-tabs">
<li class="nav-item"><a class="nav-link active" href="#">Home</a></li>
<li class="nav-item"><a class="nav-link" href="#">Menu 1</a></li>
<li class="nav-item"><a class="nav-link" href="#">Menu 2</a></li>
<li class="nav-item"><a class="nav-link" href="#">Menu 3</a></li>
</ul>
<br>
<p><strong>Note:</strong> This example shows how to create a basic navigation tab. It is not toggleable/dynamic yet (you can't click on the links to display different content)- see the last example in the Bootstrap Tabs and Pills Tutorial to find out how this can be done.</p>
</div>
</body>
</html>更多示例可以在官方文档中找到。