#! /usr/bin/env python
# -*- coding:utf-8 -*-
# -*- Author:Leon -*-
"""
功能要求:
要求用戶輸入總資產,例如:2000
顯示商品列表,讓用戶根據序號選擇商品,加入購物車
購買,如果商品總額大於總資產,提示賬戶餘額不足,否則,購買成功。
附加:可充值、某商品移除購物車
"""
# 代碼實現如下:
goods = [
{"name": "電腦", "price": 1999},
{"name": "鼠標", "price": 10},
{"name": "遊艇", "price": 20},
{"name": "美女", "price": 998},
]
cart = []
while True:
try:
assets_input = input("請輸入總資產金額:")
assets = int(assets_input)
print("總資產爲:",assets)
break
except:
print("輸入錯誤... ...請重新輸入 !")
while True:
for k,v in enumerate(goods,1):
print(k,v['name'],v['price'])
try:
inp = input("請輸入所需要購買商品的序號:")
inp_num = int(inp)
pass
# 判斷輸入正確性
if inp_num< len(goods)+1:
pass
else:
print("輸入序號錯誤... ...請重新輸入 !")
continue
inp_key = goods[inp_num-1]
print("************************購物車信息*************************")
print(inp_key['name'],inp_key['price'],"已加入購物車!")
print("購物車的商品如下列表:")
cart.append(inp_key)
expense = 0
for inp_key,inp_value in enumerate(cart,1):
print(inp_key,"[",inp_value['name'],inp_value['price'],"]")
p = inp_value['price']
expense = int(expense + p)
if assets > expense:
shengyu = assets - expense
print("還剩餘:",shengyu)
print("提交購買請輸入:y\n繼續購買請輸入:g\n清空購物車輸入:c\n退出購物請輸入:b\n更新購物車輸入:w")
print("********************************************************")
userchoose = input("請提交選擇:")
if userchoose == "y":
count = len(cart)
print("購買商品數量:",count)
print("總金額:",shengyu)
break
elif userchoose == "g":
continue
elif userchoose == "c":
del cart[:]
print("已清空購物車,商品列表顯示:",cart)
elif userchoose == "w":
print("********************************************************")
print("購物車清單如下:")
for inp_key,inp_value in enumerate(cart,1):
print(inp_key,"[",inp_value['name'],inp_value['price'],"]")
shopupdate= input("請選擇要去掉的商品序號:")
update_num = int(shopupdate)
update_numkey =update_num -1
cart.remove(cart[update_numkey])
print("購物車更新清單如下:")
for inp_key,inp_value in enumerate(cart,1):
print(inp_key,"[",inp_value['name'],inp_value['price'],"]")
count = len(cart)
print("購買商品數量:",count)
p = inp_value['price']
shengyu = assets - int(p)
print("還剩餘:",shengyu)
print("********************************************************")
elif userchoose==None or userchoose!='y' or userchoose!='c'or userchoose!='g' or userchoose!='w':
print("輸入非法數值,請重新輸入... ...")
continue
else:
userchoose == "b"
break
else:
print("錢不夠,請充值:")
assets_chongzhi = input("請輸入充值金額:")
assets = assets + int(assets_chongzhi)
print("充值成功,總資產爲:",assets)
print("********************************************************")
except:
print("輸入序號錯誤... ...請重新輸入 !")
ps: 好久沒寫了,練練手,水平太太太 ... ... 不說了,哈哈