init: 我的博客项目

2026-09-09 19:30:18 +08:00
commit 76c241f032
34 changed files with 3420 additions and 0 deletions
@@ -0,0 +1,19 @@
+<?php
+require_once __DIR__ . "/config.php";
+
+function db() {
+    static $pdo = null;
+    if ($pdo === null) {
+        $dsn = "mysql:host=" . DB_HOST . ";dbname=" . DB_NAME . ";charset=" . DB_CHARSET;
+        try {
+            $pdo = new PDO($dsn, DB_USER, DB_PASS, [
+                PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+                PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+                PDO::ATTR_EMULATE_PREPARES => false,
+            ]);
+        } catch (PDOException $e) {
+            die("数据库连接失败: " . htmlspecialchars($e->getMessage()));
+        }
+    }
+    return $pdo;
+}