timmy revised this gist 10 months ago. Go to revision
1 file changed, 1 insertion, 1 deletion
logging_and_timestamp_mixin_example.py
| @@ -28,7 +28,7 @@ class User(LoggingMixin, TimestampMixin): | |||
| 28 | 28 | def __init__(self, name): | |
| 29 | 29 | super().__init__() # 確保 Mixin 初始化 | |
| 30 | 30 | self.name = name | |
| 31 | - | self.log(f"User '{self.name}' 已建立，創建時間: {self.created_at}") | |
| 31 | + | self.log(f"User '{self.name}' 已建立，建立時間: {self.created_at}") | |
| 32 | 32 | ||
| 33 | 33 | def update_name(self, new_name): | |
| 34 | 34 | self.log(f"名稱從 '{self.name}' 變更為 '{new_name}'") | |
timmy revised this gist 10 months ago. Go to revision
1 file changed, 41 insertions
logging_and_timestamp_mixin_example.py(file created)
| @@ -0,0 +1,41 @@ | |||
| 1 | + | import datetime | |
| 2 | + | ||
| 3 | + | class LoggingMixin: | |
| 4 | + | """ 提供日誌功能的 Mixin 類別 """ | |
| 5 | + | ||
| 6 | + | def log(self, message): | |
| 7 | + | """ 簡單的日誌紀錄方法 """ | |
| 8 | + | timestamp = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") | |
| 9 | + | print(f"[{timestamp}] {self.__class__.__name__}: {message}") | |
| 10 | + | ||
| 11 | + | class TimestampMixin: | |
| 12 | + | """ 提供時間標記功能的 Mixin 類別 """ | |
| 13 | + | ||
| 14 | + | def __init__(self, *args, **kwargs): | |
| 15 | + | """ 設定物件的建立與更新時間 """ | |
| 16 | + | self.created_at = datetime.datetime.now() | |
| 17 | + | self.updated_at = self.created_at | |
| 18 | + | super().__init__(*args, **kwargs) | |
| 19 | + | ||
| 20 | + | def update_timestamp(self): | |
| 21 | + | """ 更新 updated_at 時間 """ | |
| 22 | + | self.updated_at = datetime.datetime.now() | |
| 23 | + | self.log(f"更新時間標記: {self.updated_at}") | |
| 24 | + | ||
| 25 | + | class User(LoggingMixin, TimestampMixin): | |
| 26 | + | """ 使用 LoggingMixin 和 TimestampMixin 的 User 類別 """ | |
| 27 | + | ||
| 28 | + | def __init__(self, name): | |
| 29 | + | super().__init__() # 確保 Mixin 初始化 | |
| 30 | + | self.name = name | |
| 31 | + | self.log(f"User '{self.name}' 已建立，創建時間: {self.created_at}") | |
| 32 | + | ||
| 33 | + | def update_name(self, new_name): | |
| 34 | + | self.log(f"名稱從 '{self.name}' 變更為 '{new_name}'") | |
| 35 | + | self.name = new_name | |
| 36 | + | self.update_timestamp() | |
| 37 | + | ||
| 38 | + | # 測試範例 | |
| 39 | + | if __name__ == "__main__": | |
| 40 | + | user = User("Alice") # 會自動記錄 "User 'Alice' 已建立" | |
| 41 | + | user.update_name("Bob") # 會記錄名稱變更並更新時間標記 | |
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