效果

html

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

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="style.css">
</head>

<body>
    <div class="container">
        <div class="header">MeowRain's Images</div>
        <div class="content">
        </div>
        <div class="footer">CopyRight MeowRain 2024</div>
    </div>
    <script>
        document.addEventListener('DOMContentLoaded', () => {
            const content = document.querySelector('.content');

            let page = 1; // 当前页面
            const perPage = 9; // 每页加载的图片数量

            function loadImages() {
                for (let i = 0; i < perPage; i++) {
                    const img = document.createElement('img');
                    img.src = `https://www.dmoe.cc/random.php?t=${Date.now()}-${i + page * perPage}`;
                    img.alt = 'Image';
                    content.appendChild(img);
                }
            }

            function onScroll() {
                const { scrollTop, clientHeight, scrollHeight } = document.documentElement;
                if (scrollTop + clientHeight >= scrollHeight - 5) {
                    page++;
                    loadImages();
                }
            }

            // 初始化加载图片
            loadImages();

            // 监听滚动事件
            content.addEventListener('scroll', onScroll);
        });
    </script>
</body>

</html>

css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
    overflow: hidden;
}

.container {
    width: 100%;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.header {
    width: 100%;
    text-align: center;
    padding: 20px;
    font-size: 24px;
    background-color: #333;
    color: white;
    flex-shrink: 0;
}

.content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-flow: row dense;
    /* column-count: 4; */
    grid-gap: 10px;
    padding: 20px;
    overflow-y: auto;
}

.content img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

.footer {
    text-align: center;
    padding: 20px;
    background-color: #333;
    color: white;
    flex-shrink: 0;
}