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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>ttings</title>
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<style>
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body {
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font-family: Arial, sans-serif;
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margin: 0;
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padding: 0;
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display: flex;
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justify-content: center;
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align-items: center;
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flex-direction: column;
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overflow-x: hidden;
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}
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.gallery {
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display: grid;
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grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
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gap: 10px;
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width: 100%;
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max-width: 100vw;
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margin: 20px 0;
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padding: 0 10px;
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}
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.media {
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position: relative;
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overflow: hidden;
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border-radius: 10px;
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background-color: #f0f0f0;
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aspect-ratio: 1 / 1;
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}
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.media img, .media video {
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width: 100%;
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height: 100%;
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object-fit: cover;
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border-radius: 10px;
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cursor: pointer;
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opacity: 0;
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transition: opacity 0.3s, transform 0.3s;
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}
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.media img.loaded, .media video.loaded {
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opacity: 1;
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}
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.media img:hover, .media video:hover {
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transform: scale(1.05);
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}
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.filename {
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position: absolute;
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bottom: 5px;
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left: 5px;
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right: 5px;
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background: rgba(0, 0, 0, 0.6);
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color: white;
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font-size: 12px;
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text-align: center;
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padding: 2px 5px;
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border-radius: 5px;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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.modal {
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display: none;
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position: fixed;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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background-color: rgba(0, 0, 0, 0.8);
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justify-content: center;
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align-items: center;
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z-index: 1000;
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}
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.modal.active {
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display: flex;
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}
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.modal-content img, .modal-content video {
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max-width: 90vw;
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max-height: 90vh;
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border-radius: 10px;
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}
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body.modal-open {
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overflow: hidden;
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}
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</style>
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</head>
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<body>
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<div class="gallery">
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<!-- 假设这是动态渲染的静态目录文件，支持懒加载 -->
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{% for file in files %}
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<div class="media">
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{% if file.endswith(('.jpg', '.jpeg', '.png', '.gif', '.JPG', '.JPEG', '.PNG', '.GIF')) %}
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<img data-src="/media/{{ file }}" alt="{{ file }}" onclick="openModal('/media/{{ file }}', 'image')">
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{% elif file.endswith(('.mp4', '.avi', '.mov', '.wmv', '.m4v', '.mpg')) %}
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<video data-src="/media/{{ file }}" controls onclick="openModal('/media/{{ file }}', 'video')">
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Your browser does not support the video tag.
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</video>
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{% endif %}
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<!-- <div class="filename">{{ file }}</div> -->
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</div>
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{% endfor %}
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</div>
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<!-- 模态框 -->
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<div id="modal" class="modal">
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<div class="modal-content">
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<img id="modal-image" src="" alt="Full view">
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<video id="modal-video" controls>
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Your browser does not support the video tag.
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</video>
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</div>
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</div>
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<script>
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// 使用 IntersectionObserver 进行懒加载和渐显效果
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const mediaElements = document.querySelectorAll('.media img, .media video');
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const lazyLoadObserver = new IntersectionObserver((entries, observer) => {
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entries.forEach(entry => {
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if (entry.isIntersecting) {
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const mediaElement = entry.target;
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if (mediaElement.tagName.toLowerCase() === 'img') {
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mediaElement.src = mediaElement.dataset.src; // 加载图片
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mediaElement.classList.add('loaded'); // 添加渐显效果
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} else if (mediaElement.tagName.toLowerCase() === 'video') {
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mediaElement.src = mediaElement.dataset.src; // 加载视频
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mediaElement.classList.add('loaded'); // 添加渐显效果
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}
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observer.unobserve(mediaElement); // 停止观察该元素
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}
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});
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}, {
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rootMargin: '0px 0px 200px 0px' // 提前200px加载，防止延迟
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});
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// 开始观察所有的图片和视频
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mediaElements.forEach(element => {
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lazyLoadObserver.observe(element);
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});
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// 点击图片或视频，显示完整内容
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const modal = document.getElementById('modal');
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const modalImage = document.getElementById('modal-image');
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const modalVideo = document.getElementById('modal-video');
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const body = document.body;
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function openModal(src, type) {
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modal.classList.add('active');
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body.classList.add('modal-open');
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if (type === 'image') {
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modalImage.src = src;
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modalImage.style.display = 'block';
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modalVideo.style.display = 'none';
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} else if (type === 'video') {
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modalVideo.src = src;
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modalVideo.style.display = 'block';
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modalImage.style.display = 'none';
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}
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}
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// 点击空白区域关闭模态框
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modal.addEventListener('click', () => {
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modal.classList.remove('active');
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body.classList.remove('modal-open');
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modalImage.style.display = 'none';
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modalVideo.style.display = 'none';
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});
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</script>
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</body>
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</html>
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