购物车小程序

 1 #!/usr/bin/python  
 2 # -*- coding:utf-8 -*-  
 3 # Author: kobe
 4 
 5 
 6 
 7 """基础要求：
 8 
 9 1、启动程序后，输入用户名密码后，让用户输入工资，然后打印商品列表
10 
11 2、允许用户根据商品编号购买商品
12 
13 3、用户选择商品后，检测余额是否够，够就直接扣款，不够就提醒
14 
15 4、可随时退出，退出时，打印已购买商品和余额
16 
17 5、在用户使用过程中， 关键输出，如余额，商品已加入购物车等消息，需高亮显示
18 
19 
20 扩展需求：
21 
22 1、用户下一次登录后，输入用户名密码，直接回到上次的状态，即上次消费的余额什么的还是那些，再次登录可继续购买
23 
24 2、允许查询之前的消费记录"""
25 
26 
27 
28 goods = [
29     {"name": "电脑", "price": 1999},
30     {"name": "鼠标", "price": 10},
31     {"name": "游艇", "price": 20},
32     {"name": "美女", "price": 998},
33     {"name": "跑车", "price": 99999}
34 ]
35 goods.append("退出")
36 name = input("what is your name:")
37 password = input("input your password:")
38 salary = int(input("how much your salary:"))
39 
40 for x in goods:
41     if isinstance(x,dict):
42         for k, v in x.items():
43             f =v.split('\n')
44         print(f)
45 
46 
47 
48 
49 for index, items in enumerate(goods):
50     print(index,items)
51 
52 cart = []
53 while True:
54     commodity = int(input("input goods what your want to buy:"))
55     if commodity >= len(goods):
56         print("your input number is over goods's price")
57         continue
58     elif commodity == len(goods) - 1:
59         # salary = salary - goods[commodity]["price"]
60         print("Your balance is \033[1;32m$% s\033[0m!" % salary)
61         print("your have buy some such as \033[1;32m% s\033[0m!" % cart)
62         break
63     else :
64         print(goods[commodity])
65         if goods[commodity]["price"] <= salary :
66             salary = salary - goods[commodity]["price"]
67             cart.append(goods[commodity])
68             print("\033[1;32mThe merchandise has been added to the shopping cart\033[0m!.Your balance is \033[1;32m$% s\033[0m!" % salary)
69         else:
70             print("You have \033[1;31m$% s\033[0m!, \033[1;31mYou don't have enough balance!!!\033[0m!" % salary)

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