效果
教学
html
代码语言：javascript复制<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no">
<title>纯CSS实现轮播图效果</title>
<link rel="stylesheet" href="./lunbo.css">
</head>
<body>
<div class="swipe">
<!-- 指示器 -->
<input type="radio" name="indicator" id="indicator1" checked hidden>
<label for="indicator1"></label>
<input type="radio" name="indicator" id="indicator2" hidden>
<label for="indicator2"></label>
<input type="radio" name="indicator" id="indicator3" hidden>
<label for="indicator3"></label>
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
</ul>
</div>
</body>
</html>css
代码语言：javascript复制*{
/* 初始化 */
margin: 0;
padding: 0;
}
body{
/* 100%窗口高度 */
height: 100vh;
/* 弹性布局 居中 */
display: flex;
justify-content: center;
align-items: center;
/* 渐变背景 */
background: linear-gradient(200deg,#eef1f5,#e6e9f0);
}
.swipe{
/* 相对定位 */
position: relative;
width: 800px;
height: 500px;
text-align: center;
color: #fff;
/* 溢出隐藏 */
overflow: hidden;
}
.swipe ul{
padding: 0;
width: calc(800px * 3);
transition: 0.5s;
}
.swipe li{
float: left;
width: 800px;
height: 500px;
list-style: none;
line-height: 500px;
font-size: 50px;
}
.swipe li:nth-child(1){
background-color: lightcoral;
}
.swipe li:nth-child(2){
background-color: lightseagreen;
}
.swipe li:nth-child(3){
background-color: lightsalmon;
}
/* for属性值以“indicator”开头的所有label元素（指示器） */
.swipe label[for^="indicator"]{
/* 绝对定位 */
position: absolute;
top: 450px;
width: 20px;
height: 20px;
background-color: rgba(255,255,255,0.3);
border-radius: 50%;
cursor: pointer;
transition: 0.3s;
}
/* for属性值为“indicator1”的label元素 */
.swipe label[for="indicator1"]{
left: 44%;
}
/* for属性值为“indicator2”的label元素 */
.swipe label[for="indicator2"]{
left: 49%;
}
/* for属性值为“indicator3”的label元素 */
.swipe label[for="indicator3"]{
left: 54%;
}
/* 选中指示器设置ul的margin-left */
#indicator1:checked ~ ul{
margin-left: 0;
}
#indicator2:checked ~ ul{
margin-left: -800px;
}
#indicator3:checked ~ ul{
margin-left: -1600px;
}
/* 选中指示器改变指示器颜色 */
#indicator1:checked ~ label[for="indicator1"]{
background-color: #fff;
}
#indicator2:checked ~ label[for="indicator2"]{
background-color: #fff;
}
#indicator3:checked ~ label[for="indicator3"]{
background-color: #fff;
}
