⚡ 初始提交 - FutureOSS v1.0 插件化运行时框架

一切皆为插件的开发者工具运行时框架

🧩 核心特性:
  - 插件热插拔 (importlib 动态加载)
  - 依赖自动解析 (拓扑排序 + 循环检测)
  - 企业级稳定 (熔断/降级/重试/隔离)
  - 事件驱动 (发布/订阅事件总线)
  - 完整配置 (YAML 配置 + 热重载)

website/community/includes/Database.php

@@ -0,0 +1,47 @@
+<?php
+class Database {
+    private static $instance = null;
+    private $pdo;
+
+    private function __construct() {
+        $config = require __DIR__ . '/../config.php';
+        
+        // 如果配置了 socket，使用 socket 连接
+        if (isset($config['socket'])) {
+            $dsn = "mysql:unix_socket={$config['socket']};dbname={$config['dbname']};charset={$config['charset']}";
+        } else {
+            $dsn = "mysql:host={$config['host']};port={$config['port']};dbname={$config['dbname']};charset={$config['charset']}";
+        }
+        
+        $this->pdo = new PDO($dsn, $config['username'], $config['password'], [
+            PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+            PDO::ATTR_EMULATE_PREPARES => false,
+        ]);
+    }
+
+    public static function getInstance() {
+        if (self::$instance === null) {
+            self::$instance = new self();
+        }
+        return self::$instance;
+    }
+
+    public function query($sql, $params = []) {
+        $stmt = $this->pdo->prepare($sql);
+        $stmt->execute($params);
+        return $stmt;
+    }
+
+    public function fetchAll($sql, $params = []) {
+        return $this->query($sql, $params)->fetchAll();
+    }
+
+    public function fetchOne($sql, $params = []) {
+        return $this->query($sql, $params)->fetch();
+    }
+
+    public function lastInsertId() {
+        return $this->pdo->lastInsertId();
+    }
+}