银行系统ps：不太完善，蟹蟹评论

# 主程序运行

import time
from guanli import GuanLi
from atm import ATM
from user import User

def main():
    guanli = GuanLi()# 创建一个管理对象
    guanli.welcome() # 欢迎界面
    guanli.caozuo()  # 管理员登陆验证
    userinfo = User.load_user()  # 加载已有用户信息
    atm = ATM(userinfo=userinfo)  # 创建操作对象
    while True:
        guanli.operation()  # 管理菜单的操作方法
        option = (input("请输入您的操作："))  # 等待用户操作
        in_quit = False # 定义一个变量，记录是否退出操作
        if option == "":
            # print("开户")
            atm.kaihu()
        elif option == "":
            # print("查询")
            atm.chaxun()
        elif option == "":
            # print("取款")
            atm.qukuan()
        elif option == "":
            # print("存款")
            atm.cunkuan()
        elif option == "":
            # print("转账")
            atm.zhuanzhang()
        elif option == "":
            # print("改密")
            atm.gaimi()
        elif option == "":
            # print("锁定")
            atm.suodin()
        elif option == "":
            # print("解锁")
            atm.jiesuo()
        elif option == "":
            # print("销户")
            atm.xiaohu()
        elif option == "t":
            in_quit = True
            print("退出成功")
            break
        elif option == "":
            print("查询所有用户信息")
            atm.show()
        else:
            print("操作有误,请重新操作：")
        time.sleep(2)

# 设置一个管理类ps：代码全程无英文，适合英语不好的新手看
import time
from atm import ATM
from user import User
class GuanLi(object):
    admin = ""
    passwd = ""
    def welcome(self):
        print("*" * 30)
        print(" " * 5+"欢迎登陆使用银行管理系统")
        print("*" * 30)
    def caozuo(self):# 判断管理员账号正确
        count = 0
        while True:
            inputAdmin = input("请输入管理员账号：")
            inputPasswd = input("请输入管理员密码：")
            if self.admin != inputAdmin or self.passwd != inputPasswd:
                print("账号或密码输入有误！！")
                count +=1
                if count >= 3:
                    print("错误次数已达上限，锁定一小时，1小时后再试")
                    break
                else:
                    continue
            print("操作成功！ 请稍后……")
            time.sleep(3)
            return 0
        # 走到这里说明密码账号没错
    def operation(self):
        print("*******************************************")
        print("*    开户(1)                 查询(2)       *")
        print("*    取款(3)                 存款(4)       *")
        print("*    转账(5)                 改密(6)       *")
        print("*    锁定(7)                 解锁(8)       *")
        print("*    查询所有用户信息(9)            销户(0) *")
        print("*             退出(t)                      *")
        print("********************************************")

#设置一个卡的类ps：密码隐藏不太会，哪位大神可评论区留言。蟹蟹
class Card(object):
    def __init__(self,cid,pwd):
        self.cid = cid #  卡号
        self.pwd = pwd   # 密码
        self.money = 0 # 余额
        self.is_lock = False # 是否锁定，默认不是

#设置一个用户类ps：包括用户信息
from os import path
import os
import pickle
class User(object):
    def __init__(self, name, uid, card):
        self.name = name   # 用户名
        self.uid = uid   # 身份证
        self.card = card  # 银行卡
    def __str__(self):
        return ("姓名:{}，身份证号:{}，卡号:{}".format(self.name,self.uid,self.card.cid))
    # 将用户对象保存到文件中
    @staticmethod
    def all_user(userinfo):
        pathname = path.join(os.getcwd(),"userinfo.db")
        with open(pathname, "wb") as fp:
            pickle.dump(userinfo, fp)
    # 从文件中加载数据重新转换为用户对象
    @staticmethod
    def load_user():
        pathname = path.join(os.getcwd(), "userinfo.db")
        if path.exists(pathname):
            with open(pathname, "rb") as fp:
                userinfo = pickle.load(fp)
            return userinfo
        else:
            return {}

#设置一个辅助类
from random import  randint
# 生成随机的银行卡号
class BankCard():
    def get_cid(length=8):
        cid = ""
        for i in range(8):
            cid += str(randint(0, 9))
        return cid

# 创建一个ATM操作类
import time
import random
from card import Card
from helper import BankCard
from user import User
class ATM(object):
    def __init__(self,userinfo):
        self.userinfo = userinfo # 保存所有的用户信息
    def kaihu(self):    # 开户,目标是向用户列表中添加一对键值对（卡号：用户）
        name = input("请输入您的姓名：")
        uid = input("请输入身份证号：")
        pwd = input("请输入密码：")
        cid = BankCard.get_cid()
        card = Card(cid, pwd)
        user = User(name, uid, card)
        print(user)
        print("开户成功")
        self.userinfo[cid] = user
        User.all_user(self.userinfo)
    def chaxun(self):   # 查询
        cid = input("请输入您的卡号")
        user = self.userinfo.get(cid)
        if user:
            if user.card.is_lock:
                print("该卡已锁定，请先解锁！")
                return
            else:
                print("正在查询，请稍后")
                time.sleep(1.5)
                print("账户余额：￥{}元".format(user.card.money))
        else:
            print("无效的卡")
    def qukuan(self):   # 取款
        cid = input("请输入您的卡号")
        user = self.userinfo.get(cid)
        if user.card.is_lock:
            print("该卡已锁定，请先解锁！")
            return
        else:
            money = (int(input("请输入您要取款的金额:")))
            user.card.money -= money
            User.all_user(self.userinfo)
            print("取款成功")
    def cunkuan(self):  # 存款
        count = 0
        while True:
            cid = input("请输入银行卡号：")
            user = self.userinfo.get(cid)
            if user:
                if user.card.is_lock:
                    print("该卡已锁定，请先解锁！")
                    return
                pwd = input("请输入您的银行卡密码：")
                if pwd == user.card.pwd:
                    money = input("请输入您的存款金额：")
                    user.card.money+= int(money)
                    User.all_user(self.userinfo)
                    print("存钱成功")
                    break
                elif count < 3:
                    print("密码错误")
                    count += 1
                if count == 3:
                    user.card.is_lock = True
                    print("该卡被锁定，请本人携带身份证到柜台办理解锁")
                    user.all_user(self.userinfo)
                    break
            else:
                print("无效的卡")
    def zhuanzhang(self): # 转账
        count = 0
        while count < 3:
            cid = input("请输入您的卡号：")
            user = self.userinfo.get(cid)
            if user:
                if user.card.is_lock:
                    print("该卡已锁定，请先解锁！")
                    return
                else:
                    pwd = input("请输入您的密码：")
                    if pwd == user.card.pwd:
                        other_cid = input("请输入收款人的账户：")
                        other_user = self.userinfo.get(other_cid)
                        money = int(input("请输入转账的金额："))
                        if user.card.money >= money:
                            other_user.card.money += money
                            user.card.money -= money
                            user.all_user(self.userinfo)
                            print("转账成功")
                            break
                    else:
                        print("密码错误，请重新输入：")
                        count += 1
                        continue
            else:
                print("无效的卡")
    def gaimi(self):   # 改密
        cid = input("请输入您的卡号：")
        user = self.userinfo.get(cid)
        if user:
            if user.card.is_lock:
                print("该卡已锁定，请先解锁！")
                return
            else:
                pwd = input("请输入您的银行卡原密码：")
                count = 0
                while True :
                    if  pwd == user.card.pwd:
                        pwd = input("请输入您要修改的银行卡密码：")
                        pwd1= input("请再次输入您要修改的银行卡密码：")
                        if pwd == pwd1:
                            user.card.pwd = pwd
                            user.all_user(self.userinfo)
                            print("密码修改成功")
                            break
                        else:
                            print("两次密码输入不一致，请重新输入：")
                            continue
                    else:
                        print("原密码输入有误！")
                        count += 1
                        if count >= 3:
                            user.card.is_lock = True
                            print("该卡被锁定，请本人携带身份证到柜台办理解锁")
                            user.all_user(self.userinfo)
                            break
                        else:
                            print("剩余输入次数{}".format(3-count))
    def suodin(self):  # 锁定
        cid = input("请输入您的卡号：")
        user = self.userinfo.get(cid)
        if user:
            if user.card.is_lock:
                print("该卡已被锁定！")
                return
            else:
                user.card.is_lock = True
                print("锁定成功！")
                user.all_user(self.userinfo)
                return
    def jiesuo(self):  # 解锁
        cid = input("请输入您的卡号：")
        user = self.userinfo.get(cid)
        if user.card.is_lock:
            uid = input("请出示您本人的身份证：")
            if uid == user.uid:
                user.card.is_lock = False
                print("解锁成功")
            else:
                print("本银行暂不支持代解锁！！！")
    def show(self):    # 查询所有用户信息
        for u in self.userinfo:
            print(self.userinfo[u])
    def xiaohu(self):  # 销户
        count = 0
        while count < 3:
            cid = input("请输入您的卡号")
            user = self.userinfo.get(cid)
            if user:
                pwd = input("请输入您的密码：")
                if pwd == user.card.pwd:
                    uid = input("请出示您的身份证：")
                    if uid == user.uid:
                        del self.userinfo[cid]
                        user.all_user(self.userinfo)
                        print("该账户已注销")
                        break
                    else:
                        print("暂不接受代理，ps:你丫逗我玩呢？")
                else:
                    print("密码错误，请重新输入：")
                    count += 1
                    continue
            else:
                print("该卡已损坏")