Add k3s cluster expansion documentation and scripts
- Complete expansion guide for 2/4/6 node scenarios - Quick join scripts for worker and master nodes - Health check and diagnostic scripts - Quick reference card for common operations
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K3s Admin
210
php-test/index.php
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210
php-test/index.php
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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>PHP MySQL 测试表单</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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min-height: 100vh;
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display: flex;
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justify-content: center;
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align-items: center;
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padding: 20px;
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}
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.container {
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background: white;
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padding: 40px;
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border-radius: 10px;
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box-shadow: 0 10px 40px rgba(0,0,0,0.2);
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max-width: 500px;
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width: 100%;
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}
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h1 {
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color: #333;
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margin-bottom: 30px;
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text-align: center;
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}
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.form-group {
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margin-bottom: 20px;
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}
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label {
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display: block;
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margin-bottom: 8px;
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color: #555;
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font-weight: 500;
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}
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input, textarea {
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width: 100%;
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padding: 12px;
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border: 2px solid #e0e0e0;
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border-radius: 5px;
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font-size: 14px;
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transition: border-color 0.3s;
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}
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input:focus, textarea:focus {
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outline: none;
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border-color: #667eea;
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}
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textarea {
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resize: vertical;
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min-height: 100px;
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}
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button {
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width: 100%;
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padding: 14px;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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border: none;
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border-radius: 5px;
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font-size: 16px;
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font-weight: 600;
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cursor: pointer;
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transition: transform 0.2s;
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}
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button:hover {
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transform: translateY(-2px);
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}
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.message {
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padding: 15px;
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border-radius: 5px;
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margin-bottom: 20px;
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display: none;
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}
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.message.success {
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background: #d4edda;
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color: #155724;
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border: 1px solid #c3e6cb;
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display: block;
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}
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.message.error {
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background: #f8d7da;
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color: #721c24;
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border: 1px solid #f5c6cb;
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display: block;
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}
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.records {
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margin-top: 30px;
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padding-top: 30px;
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border-top: 2px solid #e0e0e0;
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}
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.records h2 {
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color: #333;
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margin-bottom: 15px;
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font-size: 20px;
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}
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.record-item {
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background: #f8f9fa;
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padding: 15px;
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border-radius: 5px;
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margin-bottom: 10px;
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border-left: 4px solid #667eea;
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}
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.record-item strong {
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color: #667eea;
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}
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.record-item p {
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margin: 5px 0;
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color: #555;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<h1>📝 数据库测试表单</h1>
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<?php
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require_once 'Database.php';
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// 显示提交结果消息
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if (isset($_GET['status'])) {
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if ($_GET['status'] === 'success') {
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echo '<div class="message success">✅ 数据提交成功！</div>';
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} elseif ($_GET['status'] === 'error') {
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$error = htmlspecialchars($_GET['msg'] ?? '未知错误');
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echo '<div class="message error">❌ 提交失败: ' . $error . '</div>';
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}
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}
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?>
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<form action="submit.php" method="POST">
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<div class="form-group">
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<label for="name">姓名 *</label>
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<input type="text" id="name" name="name" required placeholder="请输入您的姓名">
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</div>
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<div class="form-group">
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<label for="email">邮箱 *</label>
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<input type="email" id="email" name="email" required placeholder="example@email.com">
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</div>
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<div class="form-group">
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<label for="message">留言</label>
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<textarea id="message" name="message" placeholder="请输入您的留言..."></textarea>
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</div>
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<button type="submit">提交数据</button>
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</form>
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<div class="records">
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<h2>📊 最近提交的数据</h2>
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<?php
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try {
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$db = Database::getConnection();
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$stmt = $db->query("SELECT * FROM test_data ORDER BY created_at DESC LIMIT 5");
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$records = $stmt->fetchAll();
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if (count($records) > 0) {
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foreach ($records as $record) {
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echo '<div class="record-item">';
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echo '<p><strong>姓名:</strong> ' . htmlspecialchars($record['name']) . '</p>';
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echo '<p><strong>邮箱:</strong> ' . htmlspecialchars($record['email']) . '</p>';
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if (!empty($record['message'])) {
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echo '<p><strong>留言:</strong> ' . htmlspecialchars($record['message']) . '</p>';
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}
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echo '<p><strong>提交时间:</strong> ' . $record['created_at'] . '</p>';
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echo '</div>';
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}
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} else {
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echo '<p style="color: #999; text-align: center;">暂无数据</p>';
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}
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} catch (Exception $e) {
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echo '<p style="color: #dc3545;">数据库查询失败: ' . htmlspecialchars($e->getMessage()) . '</p>';
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}
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?>
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</div>
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</div>
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<!-- 热更新脚本 -->
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<script>
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let lastModified = null;
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function checkForUpdates() {
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fetch(window.location.href, {
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method: 'HEAD',
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cache: 'no-cache'
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})
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.then(response => {
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const modified = response.headers.get('Last-Modified');
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if (lastModified && modified && lastModified !== modified) {
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console.log('检测到文件更新，正在刷新页面...');
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window.location.reload();
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}
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lastModified = modified;
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})
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.catch(err => console.error('检查更新失败:', err));
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}
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// 每2秒检查一次更新
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setInterval(checkForUpdates, 2000);
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checkForUpdates();
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</script>
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</body>
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</html>
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