chao
/
Challenge_Contest


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>AWS S3 文件夹批量下载工具</title>
    <script src="https://sdk.amazonaws.com/js/aws-sdk-2.938.0.min.js"></script>
    <style>
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: #333;
            line-height: 1.6;
            padding: 20px;
            min-height: 100vh;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background-color: rgba(255, 255, 255, 0.95);
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            padding: 30px;
        }
        
        h1 {
            text-align: center;
            margin-bottom: 25px;
            color: #2c3e50;
            font-weight: 600;
        }
        
        .description {
            text-align: center;
            margin-bottom: 30px;
            color: #555;
            font-size: 16px;
        }
        
        .stats {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
            padding: 15px;
            background-color: #f8f9fa;
            border-radius: 8px;
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-value {
            font-size: 24px;
            font-weight: bold;
            color: #3498db;
        }
        
        .stat-label {
            font-size: 14px;
            color: #7f8c8d;
        }
        
        .action-buttons {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin-bottom: 20px;
        }
        
        button {
            padding: 12px 20px;
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            transition: background-color 0.3s, transform 0.2s;
        }
        
        button:hover {
            transform: translateY(-2px);
        }
        
        button:active {
            transform: translateY(0);
        }
        
        button:disabled {
            background-color: #95a5a6;
            cursor: not-allowed;
            transform: none;
        }
        
        .load-btn {
            background-color: #3498db;
        }
        
        .load-btn:hover {
            background-color: #2980b9;
        }
        
        .download-all {
            background-color: #2ecc71;
        }
        
        .download-all:hover {
            background-color: #27ae60;
        }
        
        .clear {
            background-color: #e74c3c;
        }
        
        .clear:hover {
            background-color: #c0392b;
        }
        
        .folders-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 15px;
            margin-top: 25px;
        }
        
        .folder-card {
            background-color: #f8f9fa;
            border-radius: 8px;
            padding: 15px;
            border-left: 4px solid #3498db;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: transform 0.2s;
        }
        
        .folder-card:hover {
            transform: translateY(-5px);
        }
        
        .folder-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
        }
        
        .folder-name {
            font-weight: 600;
            font-size: 16px;
            color: #2c3e50;
            word-break: break-all;
        }
        
        .folder-status {
            font-size: 12px;
            padding: 3px 8px;
            border-radius: 10px;
            background-color: #ecf0f1;
        }
        
        .status-pending {
            background-color: #f39c12;
            color: white;
        }
        
        .status-loading {
            background-color: #3498db;
            color: white;
        }
        
        .status-ready {
            background-color: #2ecc71;
            color: white;
        }
        
        .status-downloading {
            background-color: #9b59b6;
            color: white;
        }
        
        .status-completed {
            background-color: #27ae60;
            color: white;
        }
        
        .status-error {
            background-color: #e74c3c;
            color: white;
        }
        
        .file-count {
            font-size: 14px;
            color: #7f8c8d;
            margin-bottom: 10px;
        }
        
        .progress-bar {
            height: 6px;
            background-color: #ecf0f1;
            border-radius: 3px;
            margin-top: 8px;
            overflow: hidden;
        }
        
        .progress {
            height: 100%;
            background-color: #2ecc71;
            width: 0%;
            transition: width 0.3s;
        }
        
        .file-list {
            margin-top: 10px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        
        .file-list.expanded {
            max-height: 200px;
            overflow-y: auto;
        }
        
        .file-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid #eee;
            font-size: 14px;
        }
        
        .file-item:last-child {
            border-bottom: none;
        }
        
        .file-name {
            flex: 1;
            word-break: break-all;
        }
        
        .file-size {
            color: #7f8c8d;
            font-size: 12px;
            margin-right: 10px;
        }
        
        .expand-btn {
            background: none;
            border: none;
            color: #3498db;
            cursor: pointer;
            font-size: 12px;
            padding: 5px 10px;
            margin-top: 5px;
        }
        
        .summary {
            margin-top: 20px;
            padding: 15px;
            background-color: #f8f9fa;
            border-radius: 8px;
            text-align: center;
        }
        
        .overall-progress {
            margin-top: 10px;
        }
        
        @media (max-width: 768px) {
            .folders-container {
                grid-template-columns: 1fr;
            }
            
            .stats {
                flex-direction: column;
                gap: 10px;
            }
            
            .action-buttons {
                flex-direction: column;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>AWS S3 文件夹批量下载工具</h1>
        <p class="description">批量下载指定目录中的文件</p>
        
        <div class="stats">
            <div class="stat-item">
                <div class="stat-value" id="totalFolders">0</div>
                <div class="stat-label">总文件夹数</div>
            </div>
            <div class="stat-item">
                <div class="stat-value" id="loadedFolders">0</div>
                <div class="stat-label">已加载</div>
            </div>
            <div class="stat-item">
                <div class="stat-value" id="readyFolders">0</div>
                <div class="stat-label">准备下载</div>
            </div>
            <div class="stat-item">
                <div class="stat-value" id="completedFolders">0</div>
                <div class="stat-label">已完成</div>
            </div>
        </div>
        
        <div class="action-buttons">
            <button id="loadFolders" class="load-btn">加载所有文件夹</button>
            <button id="downloadAll" class="download-all" disabled>全部下载</button>
            <button id="clearAll" class="clear">清空列表</button>
        </div>
        
        <div class="folders-container" id="foldersContainer">
            <!-- 文件夹卡片将在这里动态生成 -->
        </div>
        
        <div class="summary" id="summary" style="display: none;">
            <div id="summaryText"></div>
            <div class="progress-bar overall-progress">
                <div class="progress" id="overallProgress"></div>
            </div>
        </div>
    </div>

    <script>
        // 您的文件夹数组
        const folders = 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       
        // AWS S3配置 - 请替换为您的实际配置
        const awsConfig = {
            region: 'us-east-1', // 替换为您的区域
            credentials: {
                accessKeyId: 'YOUR_ACCESS_KEY', // 替换为您的访问密钥
                secretAccessKey: 'YOUR_SECRET_KEY' // 替换为您的秘密密钥
            }
        };
        
        // 初始化S3客户端
        AWS.config.update(awsConfig);
        const s3 = new AWS.S3();
        const bucketName = 'ccrb'; // 您的存储桶名称
        
        // 存储文件夹数据
        let folderData = [];
        
        // DOM元素
        const loadFoldersBtn = document.getElementById('loadFolders');
        const downloadAllBtn = document.getElementById('downloadAll');
        const clearAllBtn = document.getElementById('clearAll');
        const foldersContainer = document.getElementById('foldersContainer');
        const summary = document.getElementById('summary');
        const summaryText = document.getElementById('summaryText');
        const overallProgress = document.getElementById('overallProgress');
        const totalFoldersEl = document.getElementById('totalFolders');
        const loadedFoldersEl = document.getElementById('loadedFolders');
        const readyFoldersEl = document.getElementById('readyFolders');
        const completedFoldersEl = document.getElementById('completedFolders');
        
        // 初始化文件夹数据
        function initializeFolderData() {
            folderData = folders.map(folder => ({
                id: folder,
                path: folder,
                files: [],
                status: 'pending', // pending, loading, ready, downloading, completed, error
                expanded: false,
                fileCount: 0,
                completedFiles: 0
            }));
            
            updateStats();
            renderFolders();
        }
        
        // 加载所有文件夹的文件列表
        async function loadAllFolders() {
            loadFoldersBtn.disabled = true;
            loadFoldersBtn.textContent = '加载中...';
            
            // 分批加载，避免同时发起太多请求
            const batchSize = 5;
            for (let i = 0; i < folderData.length; i += batchSize) {
                const batch = folderData.slice(i, i + batchSize);
                await Promise.allSettled(batch.map(folder => loadFolderFiles(folder)));
                
                // 更新统计信息
                updateStats();
                
                // 添加延迟以避免请求过于频繁
                await new Promise(resolve => setTimeout(resolve, 1000));
            }
            
            loadFoldersBtn.textContent = '加载完成';
            updateDownloadButtonState();
        }
        
        // 加载文件夹中的文件
        async function loadFolderFiles(folder) {
            folder.status = 'loading';
            updateFolderUI(folder);
            
            try {
                const params = {
                    Bucket: bucketName,
                    Prefix: folder.path
                };
                
                const data = await s3.listObjectsV2(params).promise();
                
                // 过滤掉文件夹本身（如果存在）
                folder.files = data.Contents.filter(item => 
                    item.Key !== folder.path
                ).map(item => ({
                    key: item.Key,
                    name: item.Key.replace(folder.path, ''),
                    size: formatFileSize(item.Size),
                    status: 'pending',
                    progress: 0,
                    url: null
                }));
                
                folder.fileCount = folder.files.length;
                folder.status = folder.files.length > 0 ? 'ready' : 'empty';
                updateFolderUI(folder);
                updateStats();
            } catch (error) {
                console.error(`加载文件夹 ${folder.path} 失败:`, error);
                folder.status = 'error';
                folder.error = error.message;
                updateFolderUI(folder);
                updateStats();
            }
        }
        
        // 下载单个文件
        async function downloadFile(file, folder) {
            file.status = 'downloading';
            updateFolderUI(folder);
            
            try {
                const params = {
                    Bucket: bucketName,
                    Key: file.key
                };
                
                // 获取预签名URL
                const url = await s3.getSignedUrlPromise('getObject', params);
                file.url = url;
                
                // 创建隐藏的下载链接并触发点击
                const a = document.createElement('a');
                a.href = url;
                a.download = file.name || file.key.split('/').pop();
                a.style.display = 'none';
                document.body.appendChild(a);
                a.click();
                document.body.removeChild(a);
                
                file.status = 'completed';
                file.progress = 100;
                folder.completedFiles++;
                updateFolderUI(folder);
                updateStats();
                
                // 检查文件夹是否全部完成
                checkFolderCompletion(folder);
            } catch (error) {
                console.error('下载文件失败:', error);
                file.status = 'error';
                file.error = error.message;
                updateFolderUI(folder);
                updateStats();
            }
        }
        
        // 下载文件夹中的所有文件
        async function downloadFolder(folder) {
            folder.status = 'downloading';
            updateFolderUI(folder);
            
            for (const file of folder.files) {
                if (file.status !== 'completed') {
                    await downloadFile(file, folder);
                    // 添加延迟以避免请求过于频繁
                    await new Promise(resolve => setTimeout(resolve, 500));
                }
            }
        }
        
        // 下载所有文件夹
        async function downloadAllFolders() {
            summary.style.display = 'block';
            const totalFiles = folderData.reduce((sum, folder) => sum + folder.files.length, 0);
            let completedFiles = 0;
            
            summaryText.textContent = `正在下载 ${totalFiles} 个文件...`;
            
            for (const folder of folderData) {
                if (folder.status === 'ready' || folder.status === 'partial') {
                    folder.status = 'downloading';
                    updateFolderUI(folder);
                    
                    for (const file of folder.files) {
                        if (file.status !== 'completed') {
                            await downloadFile(file, folder);
                            completedFiles++;
                            
                            // 更新总进度
                            const progress = (completedFiles / totalFiles) * 100;
                            overallProgress.style.width = `${progress}%`;
                            summaryText.textContent = `已下载 ${completedFiles}/${totalFiles} 个文件 (${Math.round(progress)}%)`;
                            
                            // 添加延迟以避免请求过于频繁
                            await new Promise(resolve => setTimeout(resolve, 500));
                        }
                    }
                }
            }
            
            summaryText.textContent = `下载完成！共下载 ${completedFiles} 个文件`;
            downloadAllBtn.disabled = true;
        }
        
        // 检查文件夹是否全部完成
        function checkFolderCompletion(folder) {
            if (folder.completedFiles === folder.fileCount) {
                folder.status = 'completed';
            } else if (folder.completedFiles > 0) {
                folder.status = 'partial';
            }
            
            updateFolderUI(folder);
            updateDownloadButtonState();
            updateStats();
        }
        
        // 更新文件夹UI
        function updateFolderUI(folder) {
            const folderElement = document.getElementById(`folder-${folder.id}`);
            if (!folderElement) return;
            
            const statusElement = folderElement.querySelector('.folder-status');
            const progressBar = folderElement.querySelector('.progress');
            const fileCountElement = folderElement.querySelector('.file-count');
            const downloadBtn = folderElement.querySelector('.download-btn');
            const fileList = folderElement.querySelector('.file-list');
            
            // 更新状态
            let statusText = '';
            let statusClass = '';
            
            switch (folder.status) {
                case 'pending':
                    statusText = '等待中';
                    statusClass = 'status-pending';
                    break;
                case 'loading':
                    statusText = '加载中';
                    statusClass = 'status-loading';
                    break;
                case 'ready':
                    statusText = '准备下载';
                    statusClass = 'status-ready';
                    downloadBtn.disabled = false;
                    break;
                case 'empty':
                    statusText = '空文件夹';
                    statusClass = 'status-pending';
                    break;
                case 'downloading':
                    statusText = '下载中';
                    statusClass = 'status-downloading';
                    downloadBtn.disabled = true;
                    break;
                case 'completed':
                    statusText = '已完成';
                    statusClass = 'status-completed';
                    downloadBtn.disabled = true;
                    break;
                case 'partial':
                    statusText = '部分完成';
                    statusClass = 'status-ready';
                    downloadBtn.disabled = false;
                    break;
                case 'error':
                    statusText = '错误';
                    statusClass = 'status-error';
                    break;
            }
            
            statusElement.textContent = statusText;
            statusElement.className = `folder-status ${statusClass}`;
            
            // 更新文件计数
            fileCountElement.textContent = `${folder.completedFiles}/${folder.fileCount} 个文件`;
            
            // 更新进度条
            if (folder.fileCount > 0) {
                const progress = (folder.completedFiles / folder.fileCount) * 100;
                progressBar.style.width = `${progress}%`;
            }
            
            // 更新文件列表
            if (folder.expanded) {
                fileList.classList.add('expanded');
                renderFileList(folder, fileList);
            }
        }
        
        // 渲染文件列表
        function renderFileList(folder, container) {
            container.innerHTML = '';
            
            folder.files.forEach(file => {
                const fileItem = document.createElement('div');
                fileItem.className = 'file-item';
                
                let fileStatus = '';
                let fileStatusClass = '';
                
                switch (file.status) {
                    case 'pending':
                        fileStatus = '等待下载';
                        break;
                    case 'downloading':
                        fileStatus = '下载中...';
                        break;
                    case 'completed':
                        fileStatus = '已完成';
                        fileStatusClass = 'status-completed';
                        break;
                    case 'error':
                        fileStatus = `错误: ${file.error}`;
                        fileStatusClass = 'status-error';
                        break;
                }
                
                fileItem.innerHTML = `
                    <div class="file-name">${file.name || file.key}</div>
                    <div class="file-size">${file.size}</div>
                    <div class="folder-status ${fileStatusClass}">${fileStatus}</div>
                `;
                
                container.appendChild(fileItem);
            });
        }
        
        // 渲染文件夹列表
        function renderFolders() {
            foldersContainer.innerHTML = '';
            
            folderData.forEach(folder => {
                const folderElement = document.createElement('div');
                folderElement.className = 'folder-card';
                folderElement.id = `folder-${folder.id}`;
                
                folderElement.innerHTML = `
                    <div class="folder-header">
                        <div class="folder-name">${folder.path}</div>
                        <div class="folder-status status-pending">等待中</div>
                    </div>
                    <div class="file-count">0/0 个文件</div>
                    <div class="progress-bar">
                        <div class="progress"></div>
                    </div>
                    <button class="expand-btn">显示文件</button>
                    <div class="file-list"></div>
                    <button class="download-btn" disabled style="margin-top: 10px; width: 100%;">下载文件夹</button>
                `;
                
                // 添加事件监听器
                const expandBtn = folderElement.querySelector('.expand-btn');
                const downloadBtn = folderElement.querySelector('.download-btn');
                const fileList = folderElement.querySelector('.file-list');
                
                expandBtn.addEventListener('click', () => {
                    folder.expanded = !folder.expanded;
                    if (folder.expanded) {
                        fileList.classList.add('expanded');
                        renderFileList(folder, fileList);
                        expandBtn.textContent = '隐藏文件';
                    } else {
                        fileList.classList.remove('expanded');
                        expandBtn.textContent = '显示文件';
                    }
                });
                
                downloadBtn.addEventListener('click', () => {
                    downloadFolder(folder);
                });
                
                foldersContainer.appendChild(folderElement);
                updateFolderUI(folder);
            });
        }
        
        // 更新统计信息
        function updateStats() {
            totalFoldersEl.textContent = folderData.length;
            loadedFoldersEl.textContent = folderData.filter(f => f.status !== 'pending').length;
            readyFoldersEl.textContent = folderData.filter(f => f.status === 'ready' || f.status === 'partial').length;
            completedFoldersEl.textContent = folderData.filter(f => f.status === 'completed').length;
        }
        
        // 更新下载按钮状态
        function updateDownloadButtonState() {
            const hasReadyFolders = folderData.some(f => 
                f.status === 'ready' || f.status === 'partial'
            );
            downloadAllBtn.disabled = !hasReadyFolders;
        }
        
        // 格式化文件大小
        function formatFileSize(bytes) {
            if (bytes === 0) return '0 B';
            
            const k = 1024;
            const sizes = ['B', 'KB', 'MB', 'GB'];
            const i = Math.floor(Math.log(bytes) / Math.log(k));
            
            return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
        }
        
        // 事件监听器
        loadFoldersBtn.addEventListener('click', loadAllFolders);
        downloadAllBtn.addEventListener('click', downloadAllFolders);
        
        clearAllBtn.addEventListener('click', () => {
            if (confirm('确定要清空所有文件夹吗？')) {
                initializeFolderData();
                summary.style.display = 'none';
                loadFoldersBtn.disabled = false;
                loadFoldersBtn.textContent = '加载所有文件夹';
                updateDownloadButtonState();
            }
        });
        
        // 初始化
        initializeFolderData();
    </script>
</body>
</html>