設計模式 建造者模式
阿新 • • 發佈:2018-11-15
class Bulider: def __init__(self): pass def wheel(self): pass def engine(self): pass def frame(self): pass def getCar(self): pass class Car: def wheel(self): return ('這是輪子') def engine(self): return ('這是發動機') def frame(self): return ('這是車架') class BMWBuilder(Bulider): car = Car() str = '' def wheel(self): self.str += self.car.wheel() + "\r\n" def engine(self): self.str += self.car.engine() + "\r\n" def frame(self): self.str += self.car.frame() + "\r\n" def show(self): print(self.str) """ 指揮者排程 """ class Director: def __init__(self, BuildObj): BuildObj.wheel() BuildObj.wheel() BuildObj.wheel() BuildObj.wheel() BuildObj.engine() BuildObj.frame() class Client: car = Car() builder = BMWBuilder() director = Director(builder) builder.show()