Method save_to_file

tutorials/02_session_and_messages.py:244–247

保存到 JSON 文件（存档）

(self, path: str)

        }

    def save_to_file(self, path: str) -> None:
        """保存到 JSON 文件（存档）"""
        with open(path, "w", encoding="utf-8") as f:
            json.dump(self.to_dict(), f, ensure_ascii=False, indent=2)

    @classmethod
    def load_from_file(cls, path: str) -> "Session":