摘要:
执行结果 验证1 验证2 函数打印了 验证3 阅读全文
posted @ 2020-02-15 13:58
梦乡尘子
阅读(119)
评论(0)
推荐(0)
摘要:
```python class CarFactory: '''python实现单例工厂模式''' __obj = None __flg_init = True def __new__(cls, *args, **kwargs): if cls.__obj is None: cls.__obj = object.__new__(CarFactory) return cls.__obj def __i 阅读全文
posted @ 2020-02-15 13:39
梦乡尘子
阅读(180)
评论(0)
推荐(0)
摘要:
```python class CarFactory: '''用Python实现工厂模式''' def creatCar(self, car_name): if car_name == 'Benz': car = Benz() elif car_name == 'BMW': car = BMW() else: car = BYD() return car class Benz: def __ini 阅读全文
posted @ 2020-02-15 13:38
梦乡尘子
阅读(131)
评论(0)
推荐(0)
摘要:
```python class MySingleton: '''这是一种简单的单例设计模式的实现方式''' __obj = None __flag_init = True def __new__(cls, *args, **kwargs): if cls.__obj is None: cls.__obj = object.__new__(cls) return cls.__obj def __in 阅读全文
posted @ 2020-02-15 13:17
梦乡尘子
阅读(112)
评论(0)
推荐(0)

浙公网安备 33010602011771号