首页 > 代码库 > 购物车练习程序（自己写的和老师讲的）自己的健壮性不好
购物车练习程序（自己写的和老师讲的）自己的健壮性不好
#Author:AXIN
#Date:2017/5/21 17:07
#输入工资
#打印出商品号和价格
#用户根据商品号来选择商品，够就直接扣钱，不够就提醒不够,退出购买
#用户随时可以退出（按q），退出时，打印已经购买的商品和余额
salary = int(input(‘Please input your salary : ‘))
# print(type(salary))
commodity_list = [‘1.iphone se ---- 3288 RMB‘,
‘2.ipad ---- 2688 RMB‘,
‘3.G-shock ---- 1095 RMB‘,
‘4.BlueTooth Headset ---- 59 RMB‘]
c_price = [3288,2688,1095,59]
for i in range (4):
print(commodity_list[i])
shopping_num = []#存放用户所选的商品号
# shopping_num.append(int(input(‘Please input your wanna commodity number : ‘)))
i = -1
#
# print(shopping_num[i])
# print(type(shopping_num[i]))
# shopping_num.append(int(input(‘Please input your wanna commodity number : ‘)))
# print(shopping_num)
# print(c_price[shopping_num[i]])
# print(type(c_price[shopping_num[i]]))
mod = ‘a‘
while mod !=‘q‘:
shopping_num.append(int(input(‘Please input your wanna commodity number : ‘)))
i= i+1
if salary >= c_price[shopping_num[i]-1]:
salary = salary - int(c_price[shopping_num[i]-1])
print("You have already purchased the item :", shopping_num)
mod = input(‘If you wanna exit ,input q .Press any key to continue‘)
else:
print(‘Your salary is not enough ...‘)
shopping_num.pop()
print("You have already purchased the item :", shopping_num)
break
print("Your balance :",salary)
#Author:AXIN
#Date:2017/5/21 19:35
#老师讲的
product_list = [
(‘Iphone‘,5288),
(‘Mac pro‘,12000),
(‘Bike‘,800),
(‘Watch‘,36000),
(‘Coffe‘,39),
(‘Python book‘,120),
]
shopping_list = []
salary = input(‘Input your salary : ‘)
if salary.isdigit():#判断输入的是否是数字，如果是数字，把它变成int类型的
salary = int(salary)
while True:
# for item in product_list:
# print(product_list.index(item),item)
for index,item in enumerate(product_list):#enumerate 能把下标取出来
print(index,item)
user_choice = input("Your wanna product ?>>>")
if user_choice.isdigit():
user_choice = int(user_choice)
if user_choice <len(product_list) and user_choice>=0:
p_item = product_list[user_choice]
if p_item[1]<=salary:
shopping_list.append(p_item)
salary-=p_item[1]
print("Added %s into shopping cart,your current balance is %s " %(p_item,salary))
else:
print(‘\033[41;1mYour balabce only [%s] !\033[0m‘%salary)
else:
print("Product code [%s] is not exist !"%user_choice)
elif user_choice ==‘q‘:
print(‘--------------shopping_list---------------‘)
for p in shopping_list:#python 中直接使用的变量初始化的 就是0，不用定义再使用
print(p)
print(‘Your balance :‘,salary)
print(‘exit....‘)
exit()
else:
print(‘Invalide choice ‘)
购物车练习程序（自己写的和老师讲的）自己的健壮性不好
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