class DatabaseConfig: """数据库配置管理类""" _configs = {} def __getitem__(self, key): return self._configs.get(key, {}) def get(self, key, default=None): return self._configs.get(key, default) def update_config(self, configs): """更新数据库配置 Args: configs: 数据库配置字典 """ self._configs = configs
