2026-05-30 13:04:03 +08:00
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<!DOCTYPE html>
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<html lang="zh-CN">
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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>丑橘文化传媒GEO内容优化平台</title>
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<style>
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* { margin: 0; padding: 0; box-sizing: border-box; }
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body {
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background: #f7fafc;
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display: flex;
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align-items: center;
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justify-content: center;
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height: 100vh;
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font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
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}
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.loader {
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text-align: center;
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}
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.spinner {
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width: 40px; height: 40px;
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border: 4px solid #e2e8f0;
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border-top-color: #2563eb;
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border-radius: 50%;
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animation: spin 0.8s linear infinite;
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margin: 0 auto 16px;
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}
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@keyframes spin { to { transform: rotate(360deg); } }
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p { color: #4a5568; font-size: 14px; }
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2026-05-30 15:39:42 +08:00
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.status { color: #718096; font-size: 13px; margin-top: 12px; }
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.retry-btn {
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display: none;
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margin-top: 16px;
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padding: 8px 24px;
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background: #2563eb;
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color: #fff;
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border: none;
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border-radius: 6px;
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font-size: 14px;
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cursor: pointer;
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}
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.retry-btn:hover { background: #1d4ed8; }
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.retry-btn.show { display: inline-block; }
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2026-05-30 13:04:03 +08:00
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</style>
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<script>
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(function() {
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2026-05-30 15:39:42 +08:00
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var STREAMLIT_URL = 'http://localhost:8501';
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2026-05-30 13:04:03 +08:00
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var retries = 0;
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2026-05-30 15:39:42 +08:00
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var maxRetries = 120; // 最多等待 120 次（约 60 秒）
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var interval = 500; // 每 500ms 检查一次
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var statusEl = null;
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var retryBtn = null;
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function showStatus(msg, isError) {
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if (!statusEl) {
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statusEl = document.createElement('p');
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statusEl.className = 'status';
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document.querySelector('.loader').appendChild(statusEl);
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}
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statusEl.textContent = msg;
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if (isError) {
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statusEl.style.color = '#dc2626';
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} else {
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statusEl.style.color = '#718096';
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}
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if (!retryBtn) {
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retryBtn = document.createElement('button');
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retryBtn.className = 'retry-btn';
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retryBtn.textContent = '手动重试';
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retryBtn.onclick = function() {
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retries = 0;
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retryBtn.classList.remove('show');
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showStatus('正在重新连接...', false);
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2026-05-30 13:04:03 +08:00
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setTimeout(check, 500);
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2026-05-30 15:39:42 +08:00
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};
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document.querySelector('.loader').appendChild(retryBtn);
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}
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}
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function check() {
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// 使用 fetch no-cors 模式检测端口是否可达
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// no-cors: 请求成功则 resolve，连接失败则 reject
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var controller = new AbortController();
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var timeoutId = setTimeout(function() { controller.abort(); }, 3000);
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fetch(STREAMLIT_URL, { mode: 'no-cors', signal: controller.signal })
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.then(function() {
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clearTimeout(timeoutId);
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// 服务可达 → 跳转
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showStatus('服务已就绪，正在进入...');
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window.location.replace(STREAMLIT_URL);
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})
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.catch(function(err) {
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clearTimeout(timeoutId);
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retries++;
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if (retries < maxRetries) {
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showStatus('正在启动服务... (' + retries + '/' + maxRetries + ')');
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setTimeout(check, interval);
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} else {
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showStatus('服务启动超时。请确认 Streamlit 已在 :8501 端口运行，或点击下方按钮重试。', true);
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if (retryBtn) retryBtn.classList.add('show');
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}
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});
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}
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// 等待 DOM 就绪后再开始检测
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function start() {
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showStatus('正在启动服务...');
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// 首次延迟 1.5 秒，给服务一点启动时间
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setTimeout(check, 1500);
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}
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if (document.readyState === 'loading') {
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document.addEventListener('DOMContentLoaded', start);
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} else {
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start();
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2026-05-30 13:04:03 +08:00
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}
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})();
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</script>
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</head>
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<body>
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<div class="loader">
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<div class="spinner"></div>
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<p>正在加载...</p>
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</div>
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</body>
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</html>
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