Python实现的银行系统模拟程序完整案例

from view import View
from atm import ATM
from person import Person
def func(view,atm,per):
  view.funcInterface()
  choice = input("请选择您要办理的业务：")
  if choice == '1':
    return per.checkMoney(atm)
  elif choice == '2':
    return per.saveMoney(atm)
  elif choice == '3':
    return per.getMoney(atm)
  elif choice == '4':
    return per.transferMoney(atm)
  elif choice == '5':
    return per.changePassword(atm)
  elif choice == '6':
    return per.unlockAccount(atm)
  elif choice == '7':
    return per.closeAccount(atm)
  elif choice == 'T':
    if per.exit(atm):
      return True
  else:
    print("输入有误！")
def main():
  # 管理员登录名为'admin',密码为'123'
  view = View("admin",'123')
  view.initface()
  atm = ATM()
  view.login()
  per = Person()
  while True:
    view.funcInit()
    choice = input("请选择您要办理的业务：")
    if choice == '1':
      per.newAccount(atm)
    elif choice == '2':
      if per.login(atm):
        while True:
          if func(view,atm,per) == None:
            continue
          else:
            break
    elif choice == '3':
      per.findBackPassword(atm)
    elif choice == '4':
      per.lockAccount(atm)
    elif choice == 'T':
      if per.exit(atm):
        # 管理员注销系统
        if view.logout():
           return True
    else:
      print("输入有误！")
if __name__ == '__main__':
  main()

'''
卡:
类名:Card
属性：卡号【6位随机】  密码  余额 绑定的身份证号 手机号
'''
class Card(object):
  def __init__(self, cardId, password, money,identityId,phoneNum,cardLock='False'):
    self.cardId = cardId
    self.password = password
    self.money = money
    self.identityId = identityId
    self.phoneNum = phoneNum
    self.cardLock = cardLock

'''
功能：读取文件cardInfo.txt的信息
方法：读、写、删
'''
from card import Card
import json
# 读
class ReadCard(Card):
  def __init__(self, cardId='', password='', money=0, identityId='', phoneNum='', cardLock=''):
    Card.__init__(self, cardId, password, money, identityId, phoneNum, cardLock)
  def dict2Card(self, d):
    return self.__class__(d["cardId"], d["password"], d["money"],d["identityId"],d["phoneNum"], d["cardLock"])
  def read(self):
    # card对象转为字典
    with open("cardinfo.txt","r",encoding="utf-8") as fr:
      cards = []
      for re in fr.readlines():
        cards.append(self.dict2Card(eval(re)))
    return cards
# 写
class AppendCard(Card):
  def __init__(self):
    Card.__init__(self, cardId = '', password = '', money = 0, identityId = '', phoneNum = '', cardLock='')
  def card2Dict(self,card):
    return {"cardId": card.cardId, "password": card.password,
        "money": card.money, "identityId": card.identityId,
        "phoneNum": card.phoneNum, "cardLock": card.cardLock
        }
  def append(self,card,w= 'a'):
    # 默认是追加，如果w='w'就清空文件
    if w == 'w':
      with open("cardinfo.txt", "w", encoding="utf-8") as fa:
        fa.write('')
    else:
      with open("cardinfo.txt", "a", encoding="utf-8") as fa:
        json.dump(card, fa, default=self.card2Dict)
        fa.write('\n')
# 删
class Del(object):
  def del_(self,cardId):
    readcard = ReadCard()
    cards = readcard.read()
    for card in cards:
      # 删除输入的卡号
      if cardId == card.cardId:
        cards.remove(card)
        break
    else:
      print("卡号不存在！")
      return False
    # 重新写入文件
    appendcard = AppendCard()
    appendcard.append('',w='w')
    for card in cards:
      appendcard.append(card)
    return True

'''
人
类名：Person
行为：开户、查询、取款、存储、转账、改密、销户、退出
'''
class Person(object):
  def __init__(self,name='',identity='',phoneNum='',card=None):
    self.name = name
    self.identity = identity
    self.phoneNum = phoneNum
    self.card = card
  # 登录
  def login(self,atm):
    card = atm.login()
    if card:
      self.card = card
      return True
    else:
      return False
  # 开户
  def newAccount(self,atm):
    return atm.newAccount()
  #找回密码
  def findBackPassword(self,atm):
    return atm.findBackPassword()
  # 查询余额
  def checkMoney(self, atm):
    return atm.checkMoney(self.card)
  # 存钱
  def saveMoney(self, atm):
    return atm.saveMoney(self.card)
  # 取钱
  def getMoney(self, atm):
    return atm.getMoney(self.card)
  # 转账
  def transferMoney(self, atm):
    return atm.transferMoney(self.card)
  # 销户
  def closeAccount(self, atm):
    return atm.closeAccount(self.card)
  # 挂失
  def lockAccount(self, atm):
    return atm.lockAccount()
  # 解锁
  def unlockAccount(self, atm):
    return atm.unlockAccount(self.card)
  # 改密
  def changePassword(self, atm):
    return atm.changePassword(self.card)
  # 退出系统
  def exit(self, atm):
    return atm.exit()

'''
管理员界面
类名：View
属性：账号，密码
行为：管理员初始化界面  管理员登陆  系统功能界面 管理员注销
系统功能：开户 查询 取款 存储 转账 改密 销户 退出
'''
from check import Check
import time
class View(object):
  def __init__(self,admin,password):
    self.admin = admin
    self.password = password
  # 管理员初始化界面
  def initface(self):
    print("*------------------------------------*")
    print("|                  |")
    print("|  管理员界面正在启动，请稍候...  |")
    print("|                  |")
    print("*------------------------------------*")
    time.sleep(1)
    return
  #管理员登录界面
  def login(self):
    print("*------------------------------------*")
    print("|                  |")
    print("|      管理员登陆界面      |")
    print("|                  |")
    print("*------------------------------------*")
    check = Check()
    check.userName(self.admin,self.password)
    print("*-------------登陆成功---------------*")
    print("  正在跳转到系统功能界面，请稍候... ")
    del check
    time.sleep(1)
    return
  # 管理员注销界面
  def logout(self):
    print("*------------------------------------*")
    print("|                  |")
    print("|      管理员注销界面      |")
    print("|                  |")
    print("*------------------------------------*")
    #确认是否注销
    check = Check()
    if not check.isSure('注销'):
      return False
    check.userName(self.admin,self.password)
    print("*-------------注销成功---------------*")
    print("    正在关闭系统，请稍候...    ")
    del check
    time.sleep(1)
    return True
  #系统功能界面
  '''
  系统功能：开户,查询,取款,存储,转账,销户,挂失,解锁,改密,退出
  '''
  def funcInit(self):
    print("*-------Welcome To Future Bank---------*")
    print("|                   |")
    print("|   (1)开户      (2)登录    |")
    print("|   (3)找回密码    (4)挂失    |")
    print("|            (T)退出    |")
    print("|                   |")
    print("*--------------------------------------*")
  def funcInterface(self):
    print("*-------Welcome To Future Bank---------*")
    print("|                   |")
    print("|   (1)查询      (5)改密    |")
    print("|   (2)存款      (6)解锁    |")
    print("|   (3)取款      (7)销户    |")
    print("|   (4)转账      (T)退出    |")
    print("|                   |")
    print("*--------------------------------------*")

'''
提款机：
类名：ATM
属性：
行为（被动执行操作）：开户,查询,取款,存储,转账,销户,挂失,解锁,改密,退出
'''
from check import Check
from card import Card
from readAppendCard import ReadCard,AppendCard
import random
import time
class ATM(object):
  def __init__(self):
    # 实例化相关的类
    self.check = Check()
    self.readCard = ReadCard()
    self.appendCard = AppendCard()
    self.cards = self.readCard.read()
  # 显示功能界面
  def funcShow(self,ope):
    if ope != "找回密码":
      print("*-------Welcome To Future Bank-------*")
      print("|      %s功能界面      |"%ope)
      print("*------------------------------------*")
    else:
       # 显示找回密码界面
      print("*-------Welcome To Future Bank-------*")
      print("|     找回密码功能界面     |")
      print("*------------------------------------*")
  # 卡号输入
  def cardInput(self,ope=''):
    while True:
      cardId = input("请输入卡号：")
      password = input("请输入密码：")
      card = self.check.isCardAndPasswordSure(self.cards, cardId,password)
      if not card:
        print("卡号或密码输入有误!!!")
        if ope == 'login' or ope == 'lock':
          return False
        else:
          continue
      else:
        return card
  # 登录
  def login(self):
    self.funcShow("登录")
    return self.cardInput('login')
  #找回密码
  def findBackPassword(self):
    self.funcShow("找回密码")
    cardId = input("请输入卡号:")
    card = self.check.isCardIdExist(self.cards,cardId)
    if card:
      if not self.check.isCardInfoSure(card,"找回密码"):
        return
      newpassword = self.check.newPasswordInput()
      index = self.cards.index(card)
      self.cards[index].password = newpassword
      self.writeCard()
      print("找回密码成功！请重新登录!!!")
      time.sleep(1)
      return True
    else:
      print("卡号不存在!!!")
    return True
  # 开户
  def newAccount(self):
    self.funcShow("开户")
    # 输入身份证号和手机号
    pnum = self.check.phoneInput()
    iden = self.check.identifyInput()
    print("正在执行开户程序，请稍候...")
    while True:
      # 随机生成6位卡号
      cardId = str(random.randrange(100000, 1000000))
      # 随机生成的卡号存在就继续
      if self.check.isCardIdExist(self.cards,cardId):
        continue
      else:
        break
    # 初始化卡号密码，卡里的钱，卡的锁定状态
    card = Card(cardId, '888888', 0, iden, pnum , 'False')
    self.appendCard.append(card)
    print("开户成功，您的卡号为%s，密码为%s,卡余额为%d元！"%(cardId,'888888',0))
    print("为了账户安全，请及时修改密码!!!")
    # 更新卡号列表
    self.cards = self.readCard.read()
    return True
  # 查询
  def checkMoney(self,card):
    self.funcShow("查询")
    if self.check.isCardLock(card):
      print("查询失败！")
    else:
      print("卡上余额为%d元！" %card.money)
      time.sleep(1)
  # 存款
  def saveMoney(self,card):
    self.funcShow("存款")
    if self.check.isCardLock(card):
      print("存钱失败！")
    else:
      mon = self.check.moneyInput("存款")
      # 找到所有卡中对应的卡号，然后对此卡进行存款操作
      index = self.cards.index(card)
      self.cards[index].money += mon
      print("正在执行存款程序，请稍候...")
      time.sleep(1)
      self.writeCard()
      print("存款成功！卡上余额为%d元!"%self.cards[index].money)
      time.sleep(1)
  # 取款
  def getMoney(self,card):
    self.funcShow("取款")
    if self.check.isCardLock(card):
      print("取钱失败！")
    else:
      print("卡上余额为%d元！" %card.money)
      mon = self.check.moneyInput("取款")
      if mon:
        if mon > card.money:
          print("余额不足，您当前余额为%d元!"%card.money)
          time.sleep(1)
        else:
          print("正在执行取款程序，请稍候...")
          time.sleep(1)
          # 找到所有卡中对应的卡号，然后对此卡进行存款操作
          index = self.cards.index(card)
          self.cards[index].money -= mon
          self.writeCard()
          print("取款成功!卡上的余额为%d元!"%self.cards[index].money)
    time.sleep(1)
  # 转账
  def transferMoney(self,card):
    self.funcShow("转账")
    if self.check.isCardLock(card): #如果卡已锁定就不能进行转账操作
      print("转账失败!")
      return
    while True:
      cardId = input("请输入对方的账号：")
      if cardId == card.cardId:
        print("不能给自己转账!!!")
        return
      cardOther = self.check.isCardIdExist(self.cards,cardId)  #判断对方卡号是否存在
      if cardOther == False:
        print("对方账号不存在!!!")
        return
      else:
        break
    while True:
      print("卡上余额为%d元"%card.money)
      mon = self.check.moneyInput("转账")
      if not mon:  #输入的金额不对就返回
        return
      if mon > card.money:  #输入的金额大于卡上余额就返回
        print("余额不足，卡上余额为%d元!" % card.money)
        return
      else:
        break
    print("正在执行转账程序，请稍候...")
    time.sleep(1)
    index = self.cards.index(card) # 找到所有卡中对应的卡号，然后对此卡进行转账操作
    self.cards[index].money -= mon
    indexOther = self.cards.index(cardOther) #找到对卡卡号所处位置
    self.cards[indexOther].money += mon
    self.writeCard()
    print("转账成功！卡上余额为%d元!" % self.cards[index].money)
    time.sleep(1)
  # 销户
  def closeAccount(self,card):
    self.funcShow("销户")
    if not self.check.isCardInfoSure(card,"销户"):
      return
    if card.money >0:
      print("卡上还有余额，不能进行销户!!!")
      return
    if self.check.isSure("销户"):
      self.cards.remove(card) #移除当前卡号
      self.writeCard()
      print("销户成功！")
      time.sleep(1)
      return True
  # 挂失
  def lockAccount(self):
    self.funcShow("挂失")
    card = self.cardInput('lock')
    if not card:
      return
    if card.cardLock == "True":
      print("卡已处于锁定状态!!!")
      return
    if not self.check.isCardInfoSure(card,"挂失"):
      return
    if self.check.isSure("挂失"):
      index = self.cards.index(card) #找到所有卡中对应的卡号，然后对此卡进行挂失操作
      self.cards[index].cardLock = "True"
      self.writeCard()
      print("挂失成功！")
      time.sleep(1)
      return True
  # 解锁
  def unlockAccount(self,card):
    self.funcShow("解锁")
    if card.cardLock == 'False':
      print("无需解锁，卡处于正常状态!!!")
      return
    if not self.check.isCardInfoSure(card,"解锁"):
      return
    index = self.cards.index(card)
    self.cards[index].cardLock = "False"
    self.writeCard()
    print("解锁成功！")
    time.sleep(1)
    return True
  # 改密
  def changePassword(self,card):
    self.funcShow("改密")
    if self.check.isCardLock(card):
      print("卡处于锁定状态，不能进行改密!!!")
      return
    if not self.check.isCardInfoSure(card,"改密"):
      return
    # 输入旧密码
    while True:
      password = input("请输入旧密码：")
      if self.check.isPasswordSure(password,card.password):
        break
      else:
        print("卡号原密码输入错误！")
        return
    newpassword = self.check.newPasswordInput()
    index = self.cards.index(card)   #找到所有卡中对应的卡号，然后对此卡进行改密操作
    self.cards[index].password = newpassword
    self.writeCard()
    print("改密成功！请重新登录!!!")
    time.sleep(1)
    return True
  # 写入文件
  def writeCard(self):
    self.appendCard.append('', w='w')  #先清除原文件再重新写入
    for card in self.cards:
      self.appendCard.append(card)
  # 退出
  def exit(self):
    if self.check.isSure("退出"):
      return True
    else:
      return False

'''
验证类：
用户名、密码、卡号、身份证、手机号验证
使用正则表达式进行文本搜索
'''
import re
class Check(object):
  def __init__(self):
    pass
  #用户验证
  def userName(self,admin,password):
    self.admin = admin
    self.password = password
    while True:
      admin = input("请输入用户名：")
      password = input("请输入密码：")
      if admin != self.admin or password != self.password:
        print("用户名或密码输入有误，请重新输入!!!")
        continue
      else:
        return
  #是否确认某操作
  def isSure(self,operate):
    while True:
      res = input("是否确认%s?【yes/no】"%operate)
      if res not in ['yes','no']:
        print("输入有误，请重新输入!!!")
        continue
      elif res == 'yes':
        return True
      else:
        return False
  # 手机号验证
  def phoneInput(self):
    # 简单的手机号验证：开头为1且全部为数字，长度为11位
    while True:
      pnum = input("请输入您的手机号：")
      res = re.match(r"^1\d{10}$",pnum)
      if not res:
        print("手机号输入有误,请重新输入!!!")
        continue
      return pnum
  # 身份证号验证
  def identifyInput(self):
    # 简单的身份证号验证：6位，只有最后一可以为x,其余必须为数字
    while True:
      iden = input("请输入您的身份证号(6位数字)：")
      res = re.match(r"\d{5}\d|x$",iden)
      if not res:
        print("身份证号输入有误,请重新输入!!!")
        continue
      return iden
  # 卡号是否存在
  def isCardIdExist(self,cards,cardId):
    for card in cards:
      if cardId == card.cardId:
        return card
    else:
      return False
  # 卡号和密码是否一致
  def isCardAndPasswordSure(self,cards,cardId,password):
    card = self.isCardIdExist(cards,cardId)
    if card:
      if card.password == password:
        return card
    return False
  # 密码二次确认是否正确
  def isPasswordSure(self, newassword,oldpassword):
    if newassword == oldpassword:
      return True
    else:
      return False
  # 卡号完整信息验证
  def isCardInfoSure(self,card,ope):
    phoneNum = input("请输入手机号:")
    iden = input("请输入身份证号：")
    if card.phoneNum == phoneNum and card.identityId == iden:
      return True
    print("%s失败!!!\n密码、手机号或身份证号与卡中绑定的信息不一致!!!"%ope)
    return False
  # 卡号是否锁定
  def isCardLock(self,card):
    if card.cardLock == "True":
      print("此卡已挂失！")
      return True
    return False
  # 输入金额验证
  def moneyInput(self,ope):
    mon = input("输入%s金额(100的倍数)："%ope)
    # 输入的钱必须是100的倍数
    if re.match(r"[123456789]\d*[0]{2}$", mon):
      return int(mon)
    print("输入有误，%s金额必须是100的倍数!请重新输入!!!"%ope)
    return False
  def newPasswordInput(self):
    while True:
      newpassword = input("请输入新密码：")
      if not re.match(r"\d{6}$",newpassword):
        print("密码必须是6位的纯数字!!!")
        continue
      newpasswordAgain = input("请重复输入新密码：")
      if self.isPasswordSure(newpassword, newpasswordAgain):
       break
      else:
        print("两次输入不一致！")
        continue
    return newpassword