<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>tab切换</title>
<link href="https://cdn.bootcss.com/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet">
<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script>
<script src="https://cdn.bootcss.com/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div>
<!-- 导航 -->
<ul class="nav nav-tabs" role="tablist">
<li role="presentation" class="active"><a href="#home" aria-controls="home" role="tab" data-toggle="tab">Home</a></li>
<li role="presentation"><a href="#profile" aria-controls="profile" role="tab" data-toggle="tab">Profile</a></li>
<li role="presentation"><a href="#messages" aria-controls="messages" role="tab" data-toggle="tab">Messages</a></li>
<li role="presentation"><a href="#settings" aria-controls="settings" role="tab" data-toggle="tab">Settings</a></li>
</ul>
<!-- 对应内容 -->
<!-- <div class="tab-content">
<div role="tabpanel" class="tab-pane active" id="home">...</div>
<div role="tabpanel" class="tab-pane" id="profile">...</div>
<div role="tabpanel" class="tab-pane" id="messages">...</div>
<div role="tabpanel" class="tab-pane" id="settings">...</div>
</div> -->
<!-- 带显示效果的内容 -->
<div class="tab-content">
<div role="tabpanel" class="tab-pane fade in active" id="home">1</div>
<div role="tabpanel" class="tab-pane fade" id="profile">2</div>
<div role="tabpanel" class="tab-pane fade" id="messages">3</div>
<div role="tabpanel" class="tab-pane fade" id="settings">4</div>
</div>
</div>
</body>
</html>
上方每个导航中的a标签的href属性值应该和内容的id想对应 (其它的照搬即可)