作业：实现购物车可以添加手机、电脑等功能
手机类：
# -*- coding: utf-8 -*-class IphoneInfo:def __init__(self):self._title = ''self._price = 0self._color = ''self._version = ''self._weight = ''def set_title(self, title):self._title = titledef get_title(self):return self._titledef set_price(self, price):self._price = pricedef get_price(self):return self._pricedef set_color(self, color):self._color = colordef get_color(self):return self._colordef set_version(self, version):self._version = versiondef get_version(self):return self._versiondef set_weight(self, weight):self._weight = weightdef get_weight(self):return self._weight
电脑类：
# -*- coding: utf-8 -*-class ComputerInfo:def __init__(self):self._title = ''self._price = 0self._color = ''self._version = ''self._weight = ''self._cpu = ''self._rom = ''self._ssd = ''self._hhd = ''def set_title(self, title):self._title = titledef get_title(self):return self._titledef set_price(self, price):self._price = pricedef get_price(self):return self._pricedef set_color(self, color):self._color = colordef get_color(self):return self._colordef set_version(self, version):self._version = versiondef get_version(self):return self._versiondef set_weight(self, weight):self._weight = weightdef get_weight(self):return self._weightdef set_cpu(self, cpu):self._cpu = cpudef get_cpu(self):return self._cpudef set_rom(self, rom):self._rom = romdef get_rom(self):return self._romdef set_ssd(self, ssd):self._ssd = ssddef get_ssd(self):return self._ssddef set_hhd(self, hhd):self._hhd = hhddef get_hhd(self):return self._hhdif __name__ == '__main__':mac1 = ComputerInfo()mac1.set_title('big mac 13\'')mac1.set_price(3999)mac1.set_color('white')print(mac1.get_title())print(mac1.get_price())print(mac1.get_color())
购物车类：
# -*- coding: utf-8 -*-from IphoneInfo import IphoneInfofrom ComputerInfo import ComputerInfoclass Cart:def __init__(self):self._deal_list = []self._deal_num = {}# add deal to cartdef add_deal(self, deal_list):self._deal_list.append(deal_list)def get_add_deal(self):return self._deal_list# delete deal from cartdef del_deal(self, del_name):self._deal_list.remove(del_name)def get_del_deal(self):return self._deal_list# 设置所有商品的默认个数def set_default_deal_num(self, deal_num=1):for i in range(len(self.get_add_deal())):# 把list的商品作为字典的keyif self.get_add_deal()[i] in self._deal_num:self._deal_num[self.get_add_deal()[i].get_version()] += deal_numelse:self._deal_num[self.get_add_deal()[i].get_version()] = deal_num# 设置单个商品个数def change_onedeal_num(self, version='iphone6', deal_num=1):# version = input('input the version which you want to change numbers:')# deal_num = input('input the numbers(eg:1/-1)')if self._deal_num.get(version) + deal_num > 0:self._deal_num[version] += deal_numelse:print('\033[1;31;0m change faild!\033[0m')# 返回商品+商品数据def get_alldeal_num(self):for key,value in self._deal_num.items():print(key, ':', value)return self._deal_num#展示购物车的商品def show_cart(self):print('the deals which in the cart :')sum_price = 0sum_dealnum = 0for deal_x in self.get_add_deal():# print(type(deal))# print(type(deal_x))print('the title :', deal_x.get_title())print('the price :', deal_x.get_price())print('the color :', deal_x.get_color())print('the version :', deal_x.get_version())#获取deal对应商品数量numbers = self._deal_num.get(deal_x.get_version())print('numbers:',numbers)print('-----------------')sum_price += deal_x.get_price() * numberssum_dealnum += 1print('your cart totle deal:', sum_dealnum, ', ', sum_price, 'yuan')print('-----------------------------')print('--------next cart------------')def del_deal_from_cart(self):not_like = input('delete the deal version which you do not like:')flag=0for deal_x in self.get_add_deal():if deal_x.get_version() == not_like:self.del_deal(deal_x)print('\033[1;32;0m delete success!\033[0m')print('\033[1;32;0m',deal_x.get_version(), 'is deleted\033[0m')print('--------------')flag = 1if flag == 0:print('\033[1;31;0m delete failed!\033[0m')print('\033[1;31;0m',not_like, 'is not in cart!\033[0m')def commit_order():flag = input('Do you want to settle your deals (Y/N):')if flag == 'Y' or flag == 'y':print('deal commit,it is ready going to cashier!')else:print('deal not commit!')#mock 购物车的数据def mock_deal():iphone6 = IphoneInfo()iphone6.set_title('iphone6\'s title')iphone6.set_price(3999)iphone6.set_version('iphone6')iphone6.set_color('white')iphone6.set_weight('168g')iphone7 = IphoneInfo()iphone7.set_title('iphone7\'s title')iphone7.set_price(4999)iphone7.set_version('iphone7')iphone7.set_color('red')iphone7.set_weight('200g')iphone8 = IphoneInfo()iphone8.set_title('iphone8\'s title')iphone8.set_price(7999)iphone8.set_version('iphone8')iphone8.set_color('silvery')iphone8.set_weight('268g')mac13 = ComputerInfo()mac13.set_title('mac 13\'s title')mac13.set_price(6888)mac13.set_version('mac13')mac13.set_color('green')mac13.set_weight('1.3kg')mac13.set_cpu('i5')mac13.set_rom('4G')mac13.set_ssd('128G')mac13.set_hhd('1T')mac14 = ComputerInfo()mac14.set_title('mac 14\'s title')mac14.set_price(8888)mac14.set_version('mac14')mac14.set_color('red')mac14.set_weight('1.4kg')mac14.set_cpu('i5')mac14.set_rom('8G')mac14.set_ssd('256G')mac14.set_hhd('1T')mac15 = ComputerInfo()mac15.set_title('mac 15\'s title')mac15.set_price(10888)mac15.set_version('mac15')mac15.set_color('red')mac15.set_weight('1.5kg')mac15.set_cpu('i7')mac15.set_rom('16G')mac15.set_ssd('512G')mac15.set_hhd('2T')new_cart = Cart()new_cart.add_deal(iphone6)new_cart.add_deal(iphone7)new_cart.add_deal(iphone8)new_cart.add_deal(mac13)new_cart.add_deal(mac14)new_cart.add_deal(mac15)return new_cartif __name__ == '__main__':deals = mock_deal()#设置购物车内所有商品的默认数量，default=1deals.set_default_deal_num(2)#展示购物车 deals.show_cart()#设置商品个数/可拓展成用户输入version numbersdeals.change_onedeal_num('mac13',-1)deals.show_cart()#用户从购物车中删除商品 deals.del_deal_from_cart()#展示购物车 deals.show_cart()#确认提交订单 commit_order()print('------over-----')
实现结果：可以实现购物车增加商品、删除某个商品、修改某个商品的个数等功能
