index.html

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>NAS文件管理器</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
            line-height: 1.6;
        }
        h1 {
            text-align: center;
            color: #333;
            margin-bottom: 20px;
        }
        .file-list {
            border: 1px solid #ddd;
            border-radius: 5px;
            padding: 15px;
            margin-bottom: 20px;
            max-height: 400px;
            overflow-y: auto;
            background: #f9f9f9;
        }
        .file-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px;
            border-bottom: 1px solid #eee;
        }
        .file-item:last-child {
            border-bottom: none;
        }
        .file-name {
            flex-grow: 1;
        }
        .btn-download {
            background: #4CAF50;
            color: white;
            padding: 5px 10px;
            border-radius: 3px;
            text-decoration: none;
            font-size: 14px;
        }
        .upload-form {
            background: #f5f5f5;
            padding: 15px;
            border-radius: 5px;
            margin-bottom: 20px;
        }
        #fileInput {
            margin-bottom: 10px;
            width: 100%;
        }
        .btn-upload {
            background: #2196F3;
            color: white;
            padding: 8px 15px;
            width: 100%;
            border: none;
            border-radius: 3px;
            cursor: pointer;
        }
        .status {
            margin-top: 15px;
            padding: 10px;
            border-radius: 4px;
            text-align: center;
        }
        .success {
            background: #e8f5e9;
            color: #2e7d32;
        }
        .error {
            background: #ffebee;
            color: #c62828;
        }
    </style>
</head>
<body>
    <h1>NAS 文件管理器</h1>
    
    <div class="file-list" id="file-container">
        <p>正在加载文件列表...</p>
    </div>
    
    <form id="uploadForm" class="upload-form" enctype="multipart/form-data">
        <input type="file" name="file" id="fileInput" required>
        <button type="submit" class="btn-upload">上传文件</button>
    </form>
    
    <div id="statusMessage" class="status"></div>

    <script>
        // 加载文件列表
        async function loadFileList() {
            try {
                const response = await fetch('/api/list');
                if (!response.ok) throw new Error('获取文件列表失败');
                
                const files = await response.json();
                let html = '';
                
                if (files.length === 0) {
                    html = '<p>当前目录为空</p>';
                } else {
                    files.forEach(file => {
                        html += `
                            <div class="file-item">
                                <div class="file-name">${file.name}</div>
                                <a href="${file.path}" download class="btn-download">下载</a>
                            </div>
                        `;
                    });
                }
                
                document.getElementById('file-container').innerHTML = html;
            } catch (error) {
                document.getElementById('file-container').innerHTML = `
                    <div style="color:red;">
                        <p>加载失败: ${error.message}</p>
                        <button onclick="loadFileList()">重试</button>
                    </div>
                `;
            }
        }

        // 处理文件上传
        document.getElementById('uploadForm').addEventListener('submit', async (e) => {
            e.preventDefault();
            const fileInput = document.getElementById('fileInput');
            
            if (!fileInput.files.length) {
                showStatus('请选择文件', 'error');
                return;
            }
            
            try {
                showStatus('上传中...');
                
                const formData = new FormData();
                formData.append('file', fileInput.files[0]);
                
                const response = await fetch('/upload', {
                    method: 'POST',
                    body: formData
                });
                
                const result = await response.json();
                if (result.error) throw new Error(result.error);
                
                showStatus(`上传成功: ${result.filename}`, 'success');
                fileInput.value = '';
                loadFileList();
            } catch (error) {
                showStatus(`上传失败: ${error.message}`, 'error');
            }
        });

        // 显示状态信息
        function showStatus(message, type) {
            const el = document.getElementById('statusMessage');
            el.textContent = message;
            el.className = `status ${type || ''}`;
            setTimeout(() => el.textContent = '', 5000);
        }

        // 页面加载时初始化
        window.addEventListener('load', loadFileList);
    </script>
</body>
</html>