CSS—无限轮播滚动

最新推荐文章于 2024-09-08 14:30:06 发布

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最新推荐文章于 2024-09-08 14:30:06 发布

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文章标签： css 前端 javascript

本文链接：https://blog.youkuaiyun.com/xiaobai_qxjn/article/details/131123847

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CSS—无限滚动

实现效果

在这里插入图片描述

思路：利用无缝轮播法

代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>屏幕滚动</title>
    <style lang="scss">
        * {
            padding: 0;
            margin: 0;
            box-sizing: border-box;
        }
        
        body {
            width: 100%;
            height: 100vh;
            background-color: pink;
            display: flex;
            align-items: center;
        }
        
        .body {
            width: 100%;
            height: 200px;
            background-color: skyblue;
            overflow: hidden;
        }
        
        .carousel {
            width: 304.6%;
            height: 100%;
            margin: 0 auto;
            display: flex;
            animation: move 10s infinite linear;
        }
        
        .carousel:hover {
            animation-play-state: paused;
        }
        
        .img {
            /* display: inline-block;*/
            margin: 0 20px;
            width: 600px;
            height: 200px;
            background-color: red;
        }
        
        img {
            max-width: 100%;
            /* height: 130%; */
            object-fit: cover;
        }
        /* 唯一缺点，不能动态更改移动终点的位置 */
        
        @keyframes move {
            0% {
                transform: translateX(-0.5%);
            }
            100% {
                transform: translateX(-64%);
            }
        }
    </style>
</head>

<body>
    <div class="body">
        <div class="carousel">
            <div class="img" id="img-true">
                <img alt="1" src="./images/1.jpg">
            </div>
            <div class="img" id="img-true">
                <img alt="1" src="./images/2.jpg">
            </div>
            <div class="img" id="img-true">
                <img alt="1" src="./images/3.jpg">
            </div>
            <div class="img" id="img-true">
                <img alt="1" src="./images/4.jpg">
            </div>
            <div class="img" id="img-true">
                <img alt="5" src="./images/pic1.jpeg">
            </div>
            <div class="img" id="img-true">
                <img alt="5" src="./images/pic2.jpeg">
            </div>
            <div class="img" id="img-true">
                <img alt="5" src="./images/pic3.jpeg">
            </div>
            <!-- 重复出现 -->
            <div class="img">
                <img alt="1" src="./images/1.jpg">
            </div>
            <div class="img">
                <img alt="1" src="./images/2.jpg">
            </div>
            <div class="img">
                <img alt="1" src="./images/3.jpg">
            </div>
            <div class="img">
                <img alt="1" src="./images/4.jpg">
            </div>
        </div>
    </div>
    <script>
        // console.log(document.styleSheets[0]);
        // 思路：通过计算好 7张图片，可视化区域为4张图片,因此平均每张宽度为 28.6%
        let imgs = document.querySelectorAll(".img");
        let carousel = document.querySelector(".carousel");
        carousel.style.width = `${imgs.length * 28.6}%`;
    </script>
</body>

</html>