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1 file changed, 25 insertions
logging_mixin_example.py(arquivo criado)
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| 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 User(LoggingMixin): | |
| 12 | + | """ 使用 LoggingMixin 的 User 類別 """ | |
| 13 | + | ||
| 14 | + | def __init__(self, name): | |
| 15 | + | self.name = name | |
| 16 | + | self.log(f"User '{self.name}' 已建立") | |
| 17 | + | ||
| 18 | + | def update_name(self, new_name): | |
| 19 | + | self.log(f"名稱從 '{self.name}' 變更為 '{new_name}'") | |
| 20 | + | self.name = new_name | |
| 21 | + | ||
| 22 | + | # 測試範例 | |
| 23 | + | if __name__ == "__main__": | |
| 24 | + | user = User("Alice") # 會自動記錄 "User 'Alice' 已建立" | |
| 25 | + | user.update_name("Bob") # 會記錄名稱變更的訊息 | |
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