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| <html lang="zh-CN"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no"> | |
| <title>停车优惠二维码</title> | |
| <script src="https://cdn.jsdelivr.net/npm/qrcodejs@1.0.0/qrcode.min.js"></script> | |
| <style> | |
| /* 样式与之前相同，这里省略以保持简洁... */ | |
| * { margin: 0; padding: 0; box-sizing: border-box; } | |
| html, body { height: 100%; width: 100%; overflow: hidden; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background-color: #f0f2f5; } | |
| .container { display: flex; flex-direction: column; height: 100vh; width: 100vw; } | |
| .section { flex: 1; display: flex; flex-direction: column; justify-content: center; align-items: center; position: relative; overflow: hidden; } | |
| #qr-section { background-color: #ffffff; padding: 20px; } | |
| h1 { font-size: 2.5em; color: #333; margin-bottom: 25px; font-weight: 500; } | |
| #qrcode-container { padding: 20px; background-color: white; border-radius: 16px; box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1); width: 80vw; max-width: 400px; aspect-ratio: 1 / 1; display: flex; justify-content: center; align-items: center; } | |
| #qrcode { display: flex; justify-content: center; align-items: center; } | |
| #status { margin-top: 20px; font-size: 1.5em; color: #666; min-height: 1.5em; text-align: center; } | |
| .status-error { color: #d9534f; } | |
| #video-section { background-color: #000; } | |
| #tutorial-video { width: 100%; height: 100%; object-fit: cover; } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <div id="qr-section" class="section"> | |
| <h1>请扫描二维码优惠停车</h1> | |
| <div id="qrcode-container"> | |
| <div id="qrcode"></div> | |
| </div> | |
| <p id="status">正在初始化...</p> | |
| </div> | |
| <div id="video-section" class="section"> | |
| <!-- !重要! 视频路径已修改，它将从/static/目录加载 --> | |
| <video id="tutorial-video" autoplay muted loop playsinline> | |
| <source src="/static/YOUR_VIDEO_FILE.mp4" type="video/mp4"> | |
| 您的浏览器不支持播放视频。 | |
| </video> | |
| </div> | |
| </div> | |
| <script> | |
| // --- 配置区域 --- | |
| const config = { | |
| // !重要! 这是请求体中的 qrCodeId | |
| qrCodeId: 'PQRCODE_fd2b2cf9673b4ca187f2f20b2abded40', | |
| // 最终生成的二维码 URL 的固定部分 | |
| qrCodeUrlBase: 'https://parking.youboyun.com.cn/h5/parkpages/preferential/freeQrcodeResult', | |
| // 刷新间隔（毫秒），60000 = 1分钟 | |
| refreshInterval: 60000 | |
| }; | |
| // --- 配置区域结束 --- | |
| const qrcodeElement = document.getElementById('qrcode'); | |
| const statusElement = document.getElementById('status'); | |
| let qrcodeInstance = null; | |
| let countdownInterval = null; | |
| function generateQrCode(url) { | |
| qrcodeElement.innerHTML = ''; | |
| qrcodeInstance = new QRCode(qrcodeElement, { | |
| text: url, | |
| width: Math.min(380, window.innerWidth * 0.7), | |
| height: Math.min(380, window.innerWidth * 0.7), | |
| colorDark: "#000000", | |
| colorLight: "#ffffff", | |
| correctLevel: QRCode.CorrectLevel.H | |
| }); | |
| } | |
| function startCountdown() { | |
| if (countdownInterval) clearInterval(countdownInterval); | |
| let seconds = config.refreshInterval / 1000; | |
| const updateTimer = () => { | |
| statusElement.classList.remove('status-error'); | |
| statusElement.textContent = `刷新成功 | 下次刷新倒计时: ${seconds} 秒`; | |
| seconds--; | |
| if (seconds < 0) clearInterval(countdownInterval); | |
| }; | |
| updateTimer(); | |
| countdownInterval = setInterval(updateTimer, 1000); | |
| } | |
| async function fetchAndUpdateQrCode() { | |
| statusElement.classList.remove('status-error'); | |
| statusElement.textContent = '正在刷新二维码...'; | |
| // *** 重大修改 *** | |
| // 请求我们自己的后端API，而不是外部API | |
| const requestUrl = '/api/get_qrcode'; | |
| try { | |
| const response = await fetch(requestUrl, { | |
| method: 'POST', | |
| headers: { | |
| 'Content-Type': 'application/json' | |
| }, | |
| // 将 qrCodeId 发送给我们的后端 | |
| body: JSON.stringify({ | |
| qrCodeId: config.qrCodeId | |
| }) | |
| }); | |
| const result = await response.json(); | |
| if (!response.ok) { | |
| // 如果后端返回错误 (如 502), result.detail 会有错误信息 | |
| throw new Error(result.detail || `HTTP 错误! 状态码: ${response.status}`); | |
| } | |
| if (result.code === 0 && result.data) { | |
| const tempId = result.data; | |
| const finalQrCodeUrl = `${config.qrCodeUrlBase}?qrCodeId=${config.qrCodeId}&tempId=${tempId}`; | |
| generateQrCode(finalQrCodeUrl); | |
| startCountdown(); | |
| } else { | |
| throw new Error(result.msg || '后端返回数据格式不正确'); | |
| } | |
| } catch (error) { | |
| console.error('请求失败:', error); | |
| statusElement.classList.add('status-error'); | |
| statusElement.textContent = `错误: ${error.message}`; | |
| qrcodeElement.innerHTML = '<p style="color: red; text-align: center; font-size: 1.2em;">二维码生成失败<br>请检查后端日志</p>'; | |
| } | |
| } | |
| document.addEventListener('DOMContentLoaded', () => { | |
| fetchAndUpdateQrCode(); | |
| setInterval(fetchAndUpdateQrCode, config.refreshInterval); | |
| }); | |
| </script> | |
| </body> | |
| </html> |