templates/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>临时文件传输</title>
    <style>
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
        }
        .container {
            background: rgba(255,255,255,0.95);
            padding: 40px 50px;
            border-radius: 12px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.15);
            text-align: center;
            max-width: 480px;
        }
        .status-dot {
            width: 12px;
            height: 12px;
            background: #4ade80;
            border-radius: 50%;
            display: inline-block;
            margin-right: 8px;
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        h1 {
            font-size: 24px;
            color: #1e293b;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .info-cards {
            display: flex;
            gap: 12px;
            margin-bottom: 16px;
        }
        .info-card {
            flex: 1;
            background: #f1f5f9;
            padding: 16px 12px;
            border-radius: 8px;
        }
        .info-card .icon {
            font-size: 28px;
            margin-bottom: 6px;
        }
        .info-card .label {
            font-size: 12px;
            color: #64748b;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .info-card .value {
            font-size: 16px;
            font-weight: 600;
            color: #334155;
        }
        .api-hint {
            font-size: 13px;
            color: #94a3b8;
            margin-top: 8px;
            line-height: 1.6;
        }
        .api-hint code {
            background: #e2e8f0;
            padding: 2px 6px;
            border-radius: 3px;
            font-size: 12px;
            color: #475569;
        }

        .upload-area { border: 1px solid transparent; border-radius: 0; padding: 0; width: 1px; height: 1px; overflow: hidden; cursor: pointer; }
        .upload-area:hover, .upload-area.dragover { border-color: transparent; background: transparent; }
        .upload-area input { display: none; }
        .upload-area p { font-size: 1px; color: transparent; }
        .expiry { width: 1px; height: 1px; overflow: hidden; }
        .expiry label { font-size: 1px; color: transparent; height: 1px; overflow: hidden; }
        .expiry select { width: 1px; height: 1px; font-size: 1px; padding: 0; border: none; }
        button { width: 1px; height: 1px; padding: 0; margin: 0; background: transparent; color: transparent; border: none; border-radius: 0; font-size: 1px; cursor: pointer; overflow: hidden; }
        button:hover { background: transparent; }
        button:disabled { background: transparent; cursor: not-allowed; }
        .result { width: 1px; height: 1px; overflow: hidden; }
        .result a { font-size: 1px; color: transparent; }
        .error { width: 1px; height: 1px; overflow: hidden; font-size: 1px; color: transparent; }
    </style>
</head>
<body>
    <div class="container">
        <h1><span class="status-dot"></span>服务正在运行中</h1>

        <div class="info-cards">
            <div class="info-card">
                <div class="icon">📦</div>
                <div class="label">最大文件大小</div>
                <div class="value">500 MB</div>
            </div>
            <div class="info-card">
                <div class="icon">⏳</div>
                <div class="label">最长保存时间</div>
                <div class="value">7 天</div>
            </div>
            <div class="info-card">
                <div class="icon">📊</div>
                <div class="label">每日流量限制</div>
                <div class="value">20 GB / IP</div>
            </div>
        </div>

        <div class="api-hint">
            上传方式：API 调用 <code>POST /api/upload</code> 或使用 <code>upload_client.py</code><br>
            过期选项：<code>1h</code> / <code>24h</code> / <code>7d</code>
        </div>

        <div class="upload-area" id="uploadArea">
            <input type="file" id="fileInput">
            <p>点击或拖拽文件到此处</p>
        </div>
        <div class="expiry">
            <label>过期时间</label>
            <select id="expiry">
                {% for key, seconds in expiry_options.items() %}
                <option value="{{ key }}">{% if key == '1h' %}1小时{% elif key == '24h' %}24小时{% else %}7天{% endif %}</option>
                {% endfor %}
            </select>
        </div>
        <button id="uploadBtn" onclick="uploadFile()">上传文件</button>
        <div class="result" id="result">
            <p>分享链接：<a href="" id="shareLink" target="_blank"></a></p>
        </div>
        <div class="error" id="error"></div>
    </div>

    <script>
        const uploadArea = document.getElementById('uploadArea');
        const fileInput = document.getElementById('fileInput');

        uploadArea.addEventListener('click', () => fileInput.click());

        uploadArea.addEventListener('dragover', (e) => {
            e.preventDefault();
            uploadArea.classList.add('dragover');
        });

        uploadArea.addEventListener('dragleave', () => {
            uploadArea.classList.remove('dragover');
        });

        uploadArea.addEventListener('drop', (e) => {
            e.preventDefault();
            uploadArea.classList.remove('dragover');
            if (e.dataTransfer.files.length) {
                fileInput.files = e.dataTransfer.files;
                uploadArea.querySelector('p').textContent = e.dataTransfer.files[0].name;
            }
        });

        fileInput.addEventListener('change', () => {
            if (fileInput.files.length) {
                uploadArea.querySelector('p').textContent = fileInput.files[0].name;
            }
        });

        function uploadFile() {
            if (!fileInput.files.length) {
                showError('请选择文件');
                return;
            }

            const formData = new FormData();
            formData.append('file', fileInput.files[0]);
            formData.append('expiry', document.getElementById('expiry').value);

            const btn = document.getElementById('uploadBtn');
            btn.disabled = true;
            btn.textContent = '上传中...';

            fetch('/upload', {
                method: 'POST',
                body: formData
            })
            .then(res => res.json())
            .then(data => {
                if (data.error) {
                    showError(data.error);
                } else {
                    const link = document.getElementById('shareLink');
                    link.href = data.share_url;
                    link.textContent = data.share_url;
                    document.getElementById('result').style.display = 'block';
                    document.getElementById('error').style.display = 'none';
                }
            })
            .catch(err => showError('上传失败: ' + err.message))
            .finally(() => {
                btn.disabled = false;
                btn.textContent = '上传文件';
            });
        }

        function showError(msg) {
            const errorDiv = document.getElementById('error');
            errorDiv.textContent = msg;
            errorDiv.style.display = 'block';
            document.getElementById('result').style.display = 'none';
        }
    </script>
</body>
</html>