1 '''
2 2018-5-2 18:43:54
3 设计4s店类
4 设计模式:
5 简单工厂模式(通过一个类的分离模式)
6
7 讨论耦合性的问题
8 类与类之间应该是低耦合性
9 通过有个 初始化 __init__ 来解耦
10
11 这样就是工厂模式
12 父类方法名就是接口,子类里面实现
13 (流程在基类里面定义好,然后在子类里面实现)
14 '''
15
16 class Store(object):
17 def select_car(self):
18 pass
19 def order(self,car_type):
20 return self.select_car(car_type)
21
22 class BMWCarStore(Store):
23 def select_car(self,car_type):
24 return BMWCarStore().select_car_by_type(car_type)
25
26
27 class CarStore(Store):
28 def select_car(self,car_type):
29 return Factory().select_car_by_type(car_type)
30
31 class BMWFactory(object):
32 def select_car_by_type(self,car_type):
33 pass
34
35
36 class CarStore(object):
37 def __init__(self):
38 self.factory = Factory()
39 def order(self,car_type):
40 return self.factory(car_type)
41
42 class Factory(object):
43 def select_car_by_type(car_type):
44 if car_type=="索纳塔":
45 return Suonata()
46 elif car_type=="名图":
47 return Mingtu()
48 elif car_type=="ix35":
49 return Ix35()
50
51 class Car(object):
52 def move(self):
53 print("车在移动")
54 def music(self):
55 print("车在播放音乐")
56 def stop(self):
57 print("车在停止,,,,,,")
58
59 class Suonata(Car):
60 def move(self):
61 print("车在移动")
62 def music(self):
63 print("车在播放音乐")
64 def stop(self):
65 print("车在停止,,,,,,")
66
67 class Mingtu(Car):
68 pass
69 class Ix35(Car):
70 pass
71
72 car_store =CarStore()
73 car =car_store.order("索纳塔")
74 car.move()
75 car.music()
76 car.stop()
77 bmw_store =BMWCarStore()
78 bmw =bmw_store.order("720li")
