<!DOCTYPE html>
<html>
<head>
<title>选项卡示例</title>
<style>
.tabs {
overflow: hidden;
border: 1px solid #ccc;
background-color: #f1f1f1;
}
.tab-links {
margin: 0;
padding: 0;
list-style: none;
}
.tablink {
background-color: inherit;
float: left;
border: none;
outline: none;
cursor: pointer;
padding: 14px 16px;
transition: background-color 0.3s;
width: 50%;
text-align: center;
}
.tablink:hover {
background-color: #ddd;
}
.tablink.active {
background-color: #4CAF50;
color: white;
}
.tabcontent {
display: none;
padding: 20px;
border: 1px solid #ccc;
border-top: none;
}
.tabcontent.active {
display: block;
}
</style>
</head>
<body>
<div class="tabs">
<ul class="tab-links">
<li><button class="tablink active" onclick="openTab(event, 'Tab1')">Tab 1</button></li>
<li><button class="tablink" onclick="openTab(event, 'Tab2')">Tab 2</button></li>
</ul>
<div id="Tab1" class="tabcontent active">
<h3>Tab 1 内容</h3>
<p>这是Tab 1的文本内容。</p>
</div>
<div id="Tab2" class="tabcontent">
<h3>Tab 2 内容</h3>
<p>这是Tab 2的文本内容。</p>
</div>
</div>
<script>
function openTab(evt, tabName) {
var i, tabcontent, tablinks;
tabcontent = document.getElementsByClassName("tabcontent");
for (i = 0; i < tabcontent.length; i++) {
tabcontent[i].style.display = "none";
}
tablinks = document.getElementsByClassName("tablink");
for (i = 0; i < tablinks.length; i++) {
tablinks[i].className = tablinks[i].className.replace(" active", "");
}
document.getElementById(tabName).style.display = "block";
evt.currentTarget.className += " active";
}
</script>
</body>
</html>
