timmy / 簡單實作資料庫依賴注入
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| 1 | from abc import ABC, abstractmethod |
| 2 | |
| 3 | # 定義一個資料庫介面，規定大家都要有 connect 方法 |
| 4 | class IDatabase(ABC): |
| 5 | @abstractmethod |
| 6 | def connect(self): |
| 7 | pass |
| 8 | |
| 9 | # 具體實作 MySQL 版資料庫 |
| 10 | class MySQLDatabase(IDatabase): |
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