css animation实现图片切换效果

最新推荐文章于 2025-11-28 19:02:39 发布

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#animation #css3 #图片切换

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本文介绍了一种使用CSS动画和Sass循环语句创建动态图片轮播的方法，通过不同动画时长实现图片无限切换效果，同时提出了解决图片数量自适应的方案。

<!DOCTYPE html>
<html>

<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
    <style type="text/css">
        body,
        html {
            width: 100%;
            height: 100%;
            margin: 0;
            font-family: "微软雅黑";
        }
        
        #center {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .iamge2,
        .iamge3,
        .iamge4 {
            opacity: 0;
            position: absolute;
            top: 0px;
            left: 0px;
            height: 100%;
            width: 100%;
        }
        
        @keyframes cf4FadeInOut {
            0% {
                opacity: 1;
            }
            100% {
                opacity: 0;
            }
        }
        
        #cf4a {
            position: relative;
            height: 280px;
            width: 450px;
            margin: 0 auto;
            overflow-x: hidden;
            border: 1px solid #ccc;
            background: #ccc
        }
        
        .iamge1 {
            animation-name: cf4FadeInOut;
            animation-timing-function: ease-in-out;
            animation-iteration-count: infinite;
            animation-duration: 1s;
            animation-direction: alternate;
        }
        
        .iamge2 {
            animation-name: cf4FadeInOut;
            animation-timing-function: ease-in-out;
            animation-iteration-count: infinite;
            animation-duration: 2.5s;
            animation-direction: alternate;
        }
        
        .iamge3 {
            animation-name: cf4FadeInOut;
            animation-timing-function: ease-in-out;
            animation-iteration-count: infinite;
            animation-duration: 4.5s;
            animation-direction: alternate;
        }
        
        .iamge4 {
            animation-name: cf4FadeInOut;
            animation-timing-function: ease-in-out;
            animation-iteration-count: infinite;
            animation-duration: 6s;
            animation-direction: alternate;
        }
    </style>
    <script type="text/javascript" src="./jquery-3.3.1.min.js"></script>
    <title>animate demo</title>
</head>

<body id="center">
    <div id="cf4a">
        <img class="iamge1" src="./images/1.jpg" />
        <img class="iamge2" src="./images/2.jpg" />
        <img class="iamge3" src="./images/3.jpg" />
        <img class="iamge4" src="./images/4.jpg" />
    </div>
</body>

</html>