ATM（考试）

import random
import datetime

class ATM:
def init(self):
self.users = {}
self.logged_in_user = None
self.bank_info = {'total_balance': 1000000}
self.transaction_log = []

def card_number(self):
    return random.randint(1000, 9999)

def register(self):
    name = input("请输入姓名：>>>>>>")
    password = input("请输入密码：>>>>>>")
    card_number = self.card_number()

    user = {'name': name, 'password': password, 'card_number': card_number, 'balance': 0, 'activated': False}
    self.users[card_number] = user

    print(f'注册成功！你的卡号是:>>>>>{card_number}')

def login(self):
    card_number = input('请输入卡号：>>>>>>>')
    password = input('请输入密码:>>>>>>>')
    user = self.users.get(int(card_number))
    if user and user['password'] == password and user['activated']:
        self.logged_in_user = user
        print(f"欢迎{user['name']}!")
    else:
        print('登录失败')

def activate_card(self):
    card_number = input("请输入卡号：>>>>>>>")
    user = self.users.get(int(card_number))
    if user:
        user['activated'] = True
        print("银行卡激活成功")
    else:
        print('卡号不存在，重新输入')

def draw_money(self):
    amount = float(input("输入取款金额：>>>>>>"))
    if amount > 0 and amount <= self.logged_in_user['balance']:
        self.logged_in_user['balance'] -= amount
        self.bank_info['total_balance'] -= amount
        self.transaction_log.append(f'{datetime.datetime.now()}:取款{amount}元')
        print('取款成功')
    else:
        print('取款失败，检查金额或余额是否足够')

def transfer_money(self):
    other_card_number = input("请输入对方卡号：>>>>>>")
    amount = float(input("请输入转账金额：>>>>>>>"))
    other_card = self.users.get(int(other_card_number))
    if other_card and amount > 0 and amount <= self.logged_in_user['balance']:
        self.logged_in_user['balance'] -= amount
        other_card['balance'] += amount
        self.transaction_log.append(f"{datetime.datetime.now()}:转账{amount}元给卡号{other_card_number}")
        print('转账成功')
    else:
        print('转账失败，检查对方卡号或你的余额')

def recharge_money(self):
    amount = float(input('请输入充值金额:>>>>>>'))
    if amount > 0:
        self.logged_in_user['balance'] += amount
        self.bank_info['total_balance'] += amount
        self.transaction_log.append(f"{datetime.datetime.now()}: 充值 {amount} 元")
        print("充值成功！")
    else:
        print('充值失败，输入正确的充值金额')

def search_history(self):
    print('交易流水')
    for log in self.transaction_log:
        print(log)

def search_bank_info(self):
    print("银行信息:")
    print(f"总余额: {self.bank_info['total_balance']}")
    print(f"你的卡号: {self.logged_in_user['card_number']}")
    print(f"你的余额: {self.logged_in_user['balance']}")
    self.search_history()

def menu(self):
    while True:
        print("\n===================用户功能菜单=====================")
        print("1. 注册")
        print("2. 登陆")
        print("3. 激活银行卡")
        print("4. 取款")
        print("5. 转账")
        print("6. 充值余额")
        print("7. 查看流水")
        print("8. 查看日志")
        print("9. 查看银行信息")
        print("======================欢迎使用=======================")

        choice = input("请选择操作: ")

        if choice == '1':
            self.register()
        elif choice == '2':
            self.login()
        elif choice == '3':
            self.activate_card()
        elif choice == '4':
            self.draw_money()
        elif choice == '5':
            self.transfer_money()
        elif choice == '6':
            self.recharge_money()
        elif choice == '7':
            self.search_history()
        elif choice == '8':
            print("日志:")
            for log in self.transaction_log:
                print(log)
        elif choice == '9':
            if self.logged_in_user:
                self.search_bank_info()
            else:
                print("请先登录!")
        else:
            print("无效的选择，请重新输入。")
if __name__ == "__main__":
    atm = ATM()
    atm.menu()