python 工厂模式vs简单工厂（示例）

#!/usr/bin/python # -*- coding:UTF-8 -*- __author__ = "神仙别闹" class LeiFeng(): def buy_rice(self): pass def sweep(self): pass class Student(LeiFeng): def buy_rice(self): print ('大学生帮你买米') def sweep(self): print ('大学生帮你扫地') class Volunteer(LeiFeng): def buy_rice(self): print ('社区志愿者帮你买米') def sweep(self): print ('社区志愿者帮你扫地') class LeiFengFactory(): def create_lei_feng(self): pass class StudentFactory(LeiFengFactory): def create_lei_feng(self): return Student() class VolunteerFactory(LeiFengFactory): def create_lei_feng(self): return Volunteer() if __name__ == '__main__': myFactory = StudentFactory() leifeng1 = myFactory.create_lei_feng() leifeng2 = myFactory.create_lei_feng() leifeng3 = myFactory.create_lei_feng() leifeng1.buy_rice() leifeng1.sweep()