分类： Python/Ruby
2021-06-16 17:13:50
class FruitClass:
# 品种工厂
def get_name(self, name_index):
if name_index == 0:
name_object = OrangeClass()
elif name_index == 1:
name_object = Hami_MelonClass()
elif name_index == 2:
name_object = GrapeClass()
else:
name_object = None
return name_object
class OrangeClass:
# 橘子类
def __init__(self):
self.name = "橘子"
def print_name(self):
print("您购买的水果为：%s" % self.name)
class Hami_MelonClass:
# 哈密瓜类
def __init__(self):
self.name = "哈密瓜"
def print_name(self):
print("您购买的水果为：%s" % self.name)
class GrapeClass:
# 葡萄类
def __init__(self):
self.name = "葡萄"
def print_name(self):
print("您购买的水果为：%s" % self.name)
class FruitWeight:
# 称重工厂
def __init__(self, weight):
self.weight = float(weight)
def print_weight(self):
print("该水果的重量为：%.2f千克" % self.weight)
class FruitPrice:
# 价格工厂
def get_price(self, name_index, variety):
if name_index == 0:
price_object = OrangePrice(variety)
elif name_index == 1:
price_object = Hami_MelonPrice()
elif name_index == 2:
price_object = GrapePrice()
else:
price_object = None
return price_object
class OrangePrice:
# 橘子价格类
def __init__(self, variety):
self.variety = variety
if self.variety == 1:
self.price = 8.5
else:
self.price = 11.0
def print_price(self):
print("该水果的单价为:%.2f元/千克" % self.price)
class Hami_MelonPrice:
# 哈密瓜价格类
def __init__(self):
self.price = 24.3
def print_price(self):
print("该水果的价格为:%.2f元/千克" % self.price)
class GrapePrice:
# 葡萄价格类
def __init__(self):
self.price = 16.2
def print_price(self):
print("该水果的价格为:%.2f元/千克" % self.price)
return self.price
class FruitPack:
# 包装工厂
def __init__(self, pack):
if pack == 1:
self.pack = "散称"
else:
self.pack = "盒装"
def print_pack(self):
print("该水果的打包方式为：%s" % self.pack)
class FruitFactory:
def __init__(self, name_index, weight, variety, pack):
# 任务的分配，品种、重量、价格、包装方式
self.name_object = FruitClass().get_name(name_index)
self.weight_object = FruitWeight(weight)
self.price_object = FruitPrice().get_price(name_index, variety)
self.pack_object = FruitPack(pack)
def print_purchase(self):
# 计算购买的金额
money = self.price_object.price * self.weight_object.weight
print("需要支付的金额共计为：%.2f元" % money)
def show_info(self):
# 展示最终的购买信息
self.name_object.print_name()
self.weight_object.print_weight()
self.price_object.print_price()
self.pack_object.print_pack()
self.print_purchase()
print("-*-" * 20)
class Consumer:
# 消费者类
def __init__(self):
print("-*-" * 20)
# 输入原始的“购买需求”信息
self.name = input("请输入你要购买的水果名称：0.橘子 1.哈密瓜 2.葡萄\n")
self.weight = input("请输入你要购买水果的重量(kg)：\n")
self.variety = input("如果您购买橘子，我们有2种橘子：0.不买橘子 1.甘橘 2.砂糖橘\n")
self.pack = input("请您选择该水果的包装方式：1.散称 2.盒装\n")
print("-*-" * 20)
def request(self):
# 返回相关的购买信息
return self.name, self.weight, self.variety, self.pack
if __name__ == '__main__':
# 创建顾客
buyer = Consumer()
# 拿到顾客的购买信息
buy_info = buyer.request()
# 使用水果工厂，传达指令至旗下的子工厂并执行购买操作
buy_res = FruitFactory(int(buy_info[0]), int(buy_info[1]), int(buy_info[2]), int(buy_info[3]))
# 购买信息的展示
buy_res.show_info()
