银行的ATM系统
实现的功能如下:(8锁卡是密码输出三次后自动锁卡,每次开户退出后都会把信息保存在user.txt文件中,所以下次运行后信息依然还在)
**********************
* 1.登陆 2.开户 *
* 3.查询 4.取款 *
* 5.存款 0.退出 *
* 6.转账 7.改密 *
* 8.锁卡 9.解锁 *
atm.py文件(功能类)
from day12.atm.user import User
from day12.atm.card import Card
import random
import pickle
class ATM:
userDict={}
islogin = None
@staticmethod
def welcome():
print('''
**********************
* *
* welcome to bank *
* *
**********************
''')
@staticmethod
def select():
print('''
**********************
* 1.登陆 2.开户 *
* 3.查询 4.取款 *
* 5.存款 0.退出 *
* 6.转账 7.改密 *
* 8.锁卡 9.解锁 *
**********************
''')
num = input("请选择服务项目：")
return num
@classmethod
def getcardnum(cls):
cardnum = ""
for x in range(6):
cardnum += str(random.randrange(0,10))
try:
with open("user.txt", "rb") as f:
cls.userDict = pickle.load(f)
except:
pass
if cardnum not in cls.userDict:
return cardnum
@classmethod
def openUser(cls):
name = input("请输入您的姓名：")
idcard = input("请输入您的身份证号码：")
phonenum = input("请输入您的电话号码：")
psd = input("请设置您的密码：")
psd2 = input("请确认您的密码：")
if psd == psd2:
mon = int(input("请输入您的预存余额："))
if mon>0:
cardnum = cls.getcardnum()
card = Card(cardnum,psd,mon)
user = User(name,idcard,phonenum,card)
cls.userDict[cardnum] = user
print("开卡成功，您的卡号为%s,请牢记..."%cardnum)
else:
print("预存余额非法，开卡失败...")
else:
print("两次输入密码不一致，开卡失败...")
@classmethod
def login(cls):
if cls.islogin != "false":
cardnum = input("请输入您的卡号：")
user = cls.userDict.get(cardnum)
if user:
for i in range(3):
psd = input("请输入您的密码:")
if psd != user.card.password:
print("密码错误，登录失败。。。")
else:
print("恭喜你，登录成功！！！")
cls.islogin = cardnum
break
else:
cls.islogin = "false"
cls.num = cardnum
print("你的账号已锁定,请解锁")
else:
print("卡号不存在，请查证后登录。。。")
else:
print("你的账号已被锁定")
@classmethod
def search(cls):
if cls.islogin != "false" and cls.islogin:
print("您当前的余额为%d"%(cls.userDict.get(cls.islogin).card.money))
else:
print("请登录后查询")
@classmethod
def dmoney(cls):
if cls.islogin != "false" and cls.islogin:
print("您当前的余额为%d" % (cls.userDict.get(cls.islogin).card.money))
i = int(input("请输入取款金额:"))
if cls.userDict.get(cls.islogin).card.money - i < 0:
print("余额不足,无法操作")
else:
cls.userDict.get(cls.islogin).card.money -= i
print("您当前的余额为%d" % (cls.userDict.get(cls.islogin).card.money))
else:
print("请登录后取款")
@classmethod
def gmoney(cls):
if cls.islogin != "false" and cls.islogin:
print("您当前的余额为%d" % (cls.userDict.get(cls.islogin).card.money))
i = int(input("请输入存款金额:"))
cls.userDict.get(cls.islogin).card.money +=i
print("您当前的余额为%d" % (cls.userDict.get(cls.islogin).card.money))
else:
print("请登录后存款")
@classmethod
def zmoney(cls):
if cls.islogin != "false" and cls.islogin:
print("您当前的余额为%d" % (cls.userDict.get(cls.islogin).card.money))
i = input("请输入对方账号")
if i in list(cls.userDict.keys()):
j = int(input("请输入转账金额:"))
cls.userDict.get(cls.islogin).card.money -= j
print("您当前的余额为%d" % (cls.userDict.get(cls.islogin).card.money))
else:
print("你输入的账号不存在")
else:
print("请登录后转账")
@classmethod
def spassword(cls):
if cls.islogin != "false" and cls.islogin:
while True:
i = input("请输入你的旧密码")
if i == cls.userDict.get(cls.islogin).card.password:
s = input("请输入你的新密码")
cls.userDict.get(cls.islogin).card.password = s
print("密码修改成功")
break
else:
print("你输入的旧密码错误,请重新输入")
else:
print("请登录后改密")
@classmethod
def cleanlook(cls):
if cls.islogin == "false" and cls.islogin:
i = input("请输入身份证号码:")
if i == cls.userDict.get(cls.num).idcard:
cls.islogin = cls.num
s = input("请输入新密码:")
cls.userDict.get(cls.islogin).card.password = s
else:
print("当前状态,无法解锁")
card.py
(卡类)
class Card:
def __init__(self,cardnum,password,money):
self.cardnum = cardnum
self.password = password
self.money = money
user.py
(用户类)
class User():
def __init__(self,name,idcard,phonenum,card):
self.name = name
self.idcard = idcard
self.phonenum = phonenum
self.card = card
main.py
(主函数类)
from day12.atm.atm import ATM
import time
import pickle
if __name__ == '__main__':
ATM.welcome()
try:
with open("user.txt","rb") as f:
ATM.userDict = pickle.load(f)
except:
pass
while True:
time.sleep(1)
print(ATM.userDict)
num = ATM.select()
if num == "2":
print("开户")
ATM.openUser()
elif num == "0":
print("退出")
with open("user.txt","wb") as f2:
# print(type(ATM.userDict))
pickle.dump(ATM.userDict,f2)
break
elif num == "1":
print("登录")
ATM.login()
elif num == "3":
print("查询")
ATM.search()
elif num == "4":
print("取款")
ATM.dmoney()
elif num == "5":
print("存款")
ATM.gmoney()
elif num == "6":
print("转账")
ATM.zmoney()
elif num == "7":
print("改密")
ATM.spassword()
elif num == "9":
print("解锁")
ATM.cleanlook()
else:
print("选择有误请重新选择...")
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