Python银行管理系统代码

以下是一个简单的Python银行管理系统代码，其中包括管理员类、ATM类、人类、银行卡类和主函数main()代码：

# 银行卡类
class Card(object):
    def __init__(self, cardid, cardpasswd, cardmoney):
        self.cardid = cardid  # 信用卡号
        self.cardpasswd = cardpasswd  # 信用卡密码
        self.cardmoney = cardmoney  # 卡内余额
        self.cardlock = False  # 是否被锁定

# 人类
class Person(object):
    def __init__(self, name, idcard, phone, card):
        self.name = name  # 姓名
        self.idcard = idcard  # 身份证号
        self.phone = phone  # 手机号
        self.card = card  # 银行卡

# ATM类
class ATM(object):
    def __init__(self, allusers):
        self.allusers = allusers  # 所有用户字典

    # 开户
    def createUser(self):
        name = input("请输入您的姓名：")
        idcard = input("请输入您的身份证号：")
        phone = input("请输入您的手机号：")
        prestoreMoney = int(input("请输入预存款金额："))
        if prestoreMoney < 0:
            print("预存款输入有误！开户失败...")
            return -1
        onePasswd = input("请设置密码：")
        if not self.checkPasswd(onePasswd):
            print("密码输入错误！开户失败...")
            return -1
        cardid = self.randomCardId()
        card = Card(cardid, onePasswd, prestoreMoney)
        user = Person(name, idcard, phone, card)
        self.allusers[cardid] = user
        print("开户成功！请记住您的卡号(%s)..." % cardid)

    # 查询
    def searchUserInfo(self):
        cardnum = input("请输入您的卡号：")
        user = self.allusers.get(cardnum)
        if not user:
            print("该卡号不存在！查询失败...")
            return -1
        if user.card.cardlock:
            print("该卡已被锁定！请解锁后再进行其他操作...")
            return -1
        print("姓名：%s\n身份证号：%s\n手机号：%s\n卡号：%s\n余额：%d" % (user.name, user.idcard, user.phone, user.card.cardid, user.card.cardmoney))

    # 取款
    def getMoney(self):
        cardnum = input("请输入您的卡号：")
        user = self.allusers.get(cardnum)
        if not user:
            print("该卡号不存在！取款失败...")
            return -1
        if user.card.cardlock:
            print("该卡已被锁定！请解锁后再进行其他操作...")
            return -1
        money = int(input("请输入取款金额："))
        if money > user.card.cardmoney:
            print("余额不足！取款失败...")
            return -1
        user.card.cardmoney -= money
        print("取款成功！余额：%d" % user.card.cardmoney)

    # 存款
    def saveMoney(self):
        cardnum = input("请输入您的卡号：")
        user = self.allusers.get(cardnum)
        if not user:
            print("该卡号不存在！存款失败...")
            return -1
        if user.card.cardlock:
            print("该卡已被锁定！请解锁后再进行其他操作...")
            return -1
        money = int(input("请输入存款金额："))
        if money < 0:
            print("存款金额输入有误！存款失败...")
            return -1
        user.card.cardmoney += money
        print("存款成功！余额：%d" % user.card.cardmoney)

    # 改密
    def changePasswd(self):
        cardnum = input("请输入您的卡号：")
        user = self.allusers.get(cardnum)
        if not user:
            print("该卡号不存在！改密失败...")
            return -1
        if user.card.cardlock:
            print("该卡已被锁定！请解锁后再进行其他操作...")
            return -1
        oldPasswd = input("请输入旧密码：")
        if user.card.cardpasswd != oldPasswd:
            print("密码输入错误！改密失败...")
            return -1
        newPasswd = input("请输入新密码：")
        if not self.checkPasswd(newPasswd):
            print("密码输入错误！改密失败...")
            return -1
        user.card.cardpasswd = newPasswd
        print("改密成功！")

    # 锁定
    def lockUser(self):
        cardnum = input("请输入您的卡号：")
        user = self.allusers.get(cardnum)
        if not user:
            print("该卡号不存在！锁定失败...")
            return -1
        user.card.cardlock = True
        print("锁定成功！")

    # 解锁
    def unlockUser(self):
        cardnum = input("请输入您的卡号：")
        user = self.allusers.get(cardnum)
        if not user:
            print("该卡号不存在！解锁失败...")
            return -1
        user.card.cardlock = False
        print("解锁成功！")

    # 补卡
    def newCard(self):
        cardnum = input("请输入您的卡号：")
        user = self.allusers.get(cardnum)
        if not user:
            print("该卡号不存在！补卡失败...")
            return -1
        if user.card.cardlock:
            print("该卡已被锁定！请解锁后再进行其他操作...")
            return -1
        newcardpasswd = input("请输入新卡密码：")
        if not self.checkPasswd(newcardpasswd):
            print("密码输入错误！补卡失败...")
            return -1
        user.card.cardid = self.randomCardId()
        user.card.cardpasswd = newcardpasswd
        print("补卡成功！请记住您的新卡号(%s)..." % user.card.cardid)

    # 随机生成卡号
    def randomCardId(self):
        while True:
            str = ""
            for i in range(6):
                ch = chr(random.randrange(ord('0'), ord('9') + 1))
                str += ch
            if not self.allusers.get(str):
                return str

    # 检查密码是否合法
    def checkPasswd(self, passwd):
        if len(passwd) != 6:
            return False
        if not passwd.isdigit():
            return False
        return True

# 管理员类
class Admin(object):
    def __init__(self, name, passwd, atm):
        self.name = name  # 姓名
        self.passwd = passwd  # 密码
        self.atm = atm  # ATM机

    # 管理员登录
    def adminLogin(self):
        name = input("请输入管理员姓名：")
        passwd = input("请输入管理员密码：")
        if self.name != name or self.passwd != passwd:
            print("管理员姓名或密码错误！登录失败...")
            return -1
        print("管理员登录成功！")
        while True:
            print("请选择操作：\n1.开户\n2.查询\n3.取款\n4.存款\n5.改密\n6.锁定\n7.解锁\n8.补卡\n9.退出")
            choice = int(input())
            if choice == 1:
                self.atm.createUser()
            elif choice == 2:
                self.atm.searchUserInfo()
            elif choice == 3:
                self.atm.getMoney()
            elif choice == 4:
                self.atm.saveMoney()
            elif choice == 5:
                self.atm.changePasswd()
            elif choice == 6:
                self.atm.lockUser()
            elif choice == 7:
                self.atm.unlockUser()
            elif choice == 8:
                self.atm.newCard()
            elif choice == 9:
                print("管理员退出！")
                break
            else:
                print("输入有误，请重新输入！")

# 主函数
def main():
    allusers = {}
    atm = ATM(allusers)
    admin = Admin("admin", "admin", atm)
    admin.adminLogin()

if __name__ == '__main__':
    main()