#作业名称：购物车
#作者：Marvin
#博客地址：
#作业需求：
1. 商品信息- 数量、单价、名称
2. 用户信息- 帐号、密码、余额
3. 用户可充值
4. 购物历史信息
5. 允许用户多次购买，每次可购买多件
6. 余额不足时进行提醒
7. 用户退出时 ，输出档次购物信息
8. 用户下次登陆时可查看购物历史
9. 商品列表分级显示
#本次作业需求：
1. 商品信息- 数量、单价、名称
2. 用户信息- 帐号、密码、余额
3. 用户可充值
4. 购物历史信息
5. 允许用户进行多次购买，每次可购买多件
6. 余额不足时进行提醒
7. 用户退出时 ，输出档次购物信息
8. 用户下次登陆时可查看购物历史
9. 商品列表分级显示
import os
#展示商品列表
def goodsList_show():
print('''Choice the goods you want，here are the list:
%s'''%(goodsList))
#读取被锁定用户信息
def getLockedList():
f=open('locked','r')
lockedList=f.read()
# print(lockedList)
locked_list=lockedList.split('#')
# print(locked_list)
f.close()
return locked_list
#添加被锁定用户名
def addLockedUsername(name):
f1=open("locked",'a+')
f1.write('#'+name)
f1.close()
#登录
def login(username):
lockedList=getLockedList()
# print(lockedList)
while True:
if username in userList:
#判断是否被锁定
if username in lockedList:
print("your account has been locked")
os._exit(0)
else:
password=input('please input your password>>')
if userList[username][0]==password:
print("welcome!")
break
else:
count[username] +=1
if count[username]>=3:
print("Input wrong password three times,your account is locked!")
addLockedUsername(username)
os._exit(0)
else:
username=input("worry username!please try again>>")
if username not in count:
count[username]=0
login(username)
count[username] +=1
#显示用户信息
def user_information_show(username):
print("用户名为%s,余额为%s" %(username,userList[username][-1]))
#获取用户购物历史信息
def shopping_History_show(username):
if username in shoppingHistroy:
print("Your shoppingHistory:%s"%(shoppingHistroy[username]))
else:
print("您暂时还没有购物记录，快去购物吧！")
#添加到购物车
def add_to_shoppingCar(item):
if item in shopping_Car:
shopping_Car[item][-1] += 1
else:
shopping_Car[item]=[goodsList[item],1]
#获取购物车
def shoppingCar_show(username):
print("Your shoppingCar %S"%(shopping_Car[username]))
#删除购物车内商品
def del_from_shoppingCar(goodname):
if goodname in shopping_Car:
del shopping_Car[goodname]
else:
print("购物车内不存在该商品")
#充值
def recharge(s):
if str.isdigit(s):
userList[username][-1] +=int(s)
print("充值成功！")
#展示购物记录
def shoppingRecord_show():
print("Your shoppingRecord:%s"%(shoppingRecord))
#结算
def checkOut():
amountShouldPay=0
if len(shopping_Car)==0:
print("Nothing to checkOut")
else:
for item in shopping_Car:
amountShouldPay+= shopping_Car[item][0]*shopping_Car[item][-1]
if amountShouldPay <= userList[username][-1]:
userList[username][-1] -=amountShouldPay
print("CheckOut success!")
for item in shopping_Car:
for item1 in shoppingHistroy[username]:
if item1==item:
shoppingHistroy[username][item1][-1] +=shopping_Car[item][-1]
else:
shoppingHistroy[username][item[0]]=shopping_Car[item]
else:
print('Balance is not enough,recharge fist!')
choice=input("input 'R' to recharge>>")
if choice=="R":
monkey=input("how much do you want to recharge>>")
recharge(monkey)
user_information_show(username)
checkOut()
#print("1")
else:
print("worry input")
os._exit(0)
#用户信息：用户名/密码/余额
userList={
"Marvin":["q123",1000],
"chenqifeng":["w1234",1500],
"chenfan":["224466",2000]
}
#历史购物记录
shoppingHistroy={
"Marvin": {"iphone":[5600,2],
"bike":[1000,1]
},
"chenqifeng": {"T-shirt":[199,1]},
"chenfan": {"chair":[1200,1]}
}
#商品列表
goodsList={
"iphone":5600,
"bike":1000,
"T-shirt":199,
"chair":1200,
"cup":600
}
shoppingRecord={}
shopping_Car={}
myUsername=""
count={}
username=input("please input your username>>")
count[username]=0
login(username)
user_information_show(username)
shopping_History_show(username)
goodsList_show()
while(True):
choice1=input('''
Which goods do you want to buy?please input the goodsname
if you want to checkout,please input "C"
if you want to quit,please input "Q"
''')
if choice1 in goodsList:
add_to_shoppingCar(choice1)
elif choice1 =="C":
print("your shoppingCar:%s"%(shopping_Car))
checkOut()
continue
elif choice1=="Q":
shoppingRecord_show()
print("goodbye!")
os._exit(0)
else:
print("worry input")
