58 lines
1.3 KiB
PHP
58 lines
1.3 KiB
PHP
<?php
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// 知识库网页系统 - 配置文件
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// 部署时请修改以下配置
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// 数据库配置
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define('DB_HOST', 'localhost');
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define('DB_NAME', 'kb_web');
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define('DB_USER', 'root');
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define('DB_PASS', 'your_secret');
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// Session 配置
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session_start();
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// 数据库连接
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function getDB() {
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static $pdo = null;
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if ($pdo === null) {
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try {
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$pdo = new PDO(
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"mysql:host=" . DB_HOST . ";dbname=" . DB_NAME . ";charset=utf8mb4",
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DB_USER,
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DB_PASS,
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[
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PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
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PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC
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]
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);
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} catch (PDOException $e) {
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die("数据库连接失败: " . $e->getMessage());
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}
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}
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return $pdo;
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}
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// 检查登录状态
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function checkLogin() {
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if (!isset($_SESSION['user_id'])) {
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header('Location: index.php');
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exit;
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}
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}
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// 获取当前用户信息
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function getCurrentUser() {
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if (!isset($_SESSION['user_id'])) {
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return null;
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}
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$db = getDB();
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$stmt = $db->prepare("SELECT * FROM users WHERE id = ?");
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$stmt->execute([$_SESSION['user_id']]);
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return $stmt->fetch();
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}
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// 获取用户文档目录
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function getUserDocDir($username) {
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return __DIR__ . '/' . $username;
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}
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