ATM + 購物商城程序

模擬實現一個ATM + 購物商城程序

1. 額度 15000或自定義

2. 實現購物商城，買東西加入 購物車，調用信用卡接口結帳

3. 能夠提現，手續費5%

4. 每個月22號出帳單，每個月10號爲還款日，過時未還，按欠款總額 萬分之5 每日計息

5. 支持多帳戶登陸

6. 支持帳戶間轉帳

7. 記錄每個月平常消費流水

8. 提供還款接口

9. ATM記錄操做日誌 

10. 提供管理接口，包括添加帳戶、用戶額度，凍結帳戶等。。。

11. 用戶認證用裝飾器

# import time
import datetime
# time.time()   # 當前時間戳
# datetime.datetime.now() # 本地之間


# 數據處理=====================================
# 所有用戶數據
user_data = []
# 加載數據到內存
def load_data():
    f = open("DB/user_db.txt","rt",encoding="utf-8")
    for line in f:
        line = line.strip("\n")
        if line == "\n":continue
        ls = line.split("|")
        usr_dic = {"name":ls[0],
                   "pwd":ls[1],
                   "max": ls[2],
                   "money": ls[3],
                   "lock": ls[4]}
        user_data.append(usr_dic)
    f.close()

# 根據帳戶名獲取一個用戶
def get_usr(name):
    for usr in user_data:
        if usr["name"] == name:
            return usr

# 將內存中的數據持久存儲到文件中
def save_to_file():
    f = open("DB/user_db.txt","wt",encoding="utf-8")
    for usr in user_data:
        text = "|".join(usr.values())
        text += "\n"
        f.write(text)
    f.close()


# 數據處理=====================================

# 登陸驗證裝飾器(閉包函數) (再不改變源代碼的調用方式基礎上 爲這個函數添加新功能)
def login_auth(func):
    def wrapper(*args,**kwargs):
        # 驗證是否登錄過了
        if current_usr == None:
            print("請先登陸!")
            atm_login()
            if current_usr:
                return func(*args,**kwargs)
        else:
            return func(*args,**kwargs)
    return wrapper



# 購物中心========================================
# 商品信息
products = [{"name":"挨糞叉","price":6888},
            {"name":"錘子TNT","price":10888},
            {"name":"小米mix2","price":2888}]

# 購物車
car = {}

# 購物
def shopping():
    while True:
    # 打印出全部商品信息
        count = 1
        for p in products:
            print("序號:%-3s 名稱:%-10s 價格:%-6s" % (count,p["name"],p["price"]))
            count += 1
        select = input("親輸入商品的序號q退出:\n")
        if select == "q":
            return
        if select.isdigit() and int(select) >= 1 and int(select) <= len(products):
            pd = products[int(select)-1]
            print("%s已成功加入購物車!" % pd["name"])
            # 判斷商品是否已經存在於購物車
            if pd["name"] in car:
                car[pd["name"]]["count"] += 1
            else:
                car[pd["name"]] = {"price":pd["price"],"count":1}
        else:
            print("輸入有誤請從新輸入!")


# 查看購物車
def show_cars():
    if not car:
        s = input("你的購物車是空的! 你要買點什麼嗎? y/n")
        if s == "y":
            shopping()
            return
        else:
            return
    print("您的購物車信息:")
    for p in car:
        print("名稱:%-10s 價格:%-8s 數量:%-3s 總價:%-10s" % (p,
                                                     car[p]["price"],
                                                     car[p]["count"],
                                                     car[p]["price"] * car[p]["count"]))
    select = input("輸入y調整商品數量!(數量爲0則刪除商品!) 輸入其餘退出!")
    if select == "y":
        modify_count()


# 調整購物車中的商品數量
def modify_count():
    while True:
        name = input("請輸入商品名稱q退出:\n")
        if name == "q":
            return
        if name not in car:
            print("輸入不正確請重試!")
            continue

        while True:
            count = input("輸入調整後數量:\n")
            if not count.isdigit():
                print("數量不正確 必須是整數!")
                continue
            count = int(count)
            if count == 0:
                car.pop(name)
                print("%s已刪除" % name)
                return
            else:
                car[name]["count"] = count
                print("修改爲功!")
                return


# 結算
@login_auth
def pay_cars():
    # 計算商品總價格
    sum = 0
    for p in car:
        sum += car[p]["price"] * car[p]["count"]
    print("您的訂單總價爲:%s元" % sum)
    if paymoney(sum):
        print("剁手成功! 回家等着吧!")
        clear_cars()


# 清空購物車
def clear_cars():
    car.clear()
    print("購物車已清空!")


def shop_center():
    shopfuncs = {"1":shopping,"2":show_cars,"3":pay_cars,"4":clear_cars}
    while True:
        print("""
1.購物
2.查看購物車
3.結算
4.清空
q.退出""")
        index = input("請選擇:\n").strip()
        if index == "q":
            return
        if index in shopfuncs:
            shopfuncs[index]()
        else:
            print("輸入不正確!請重試!")


# 購物中心========================================

# ATM====================================================
# 用於保存登陸成功的用戶信息
current_usr = None

# 日誌裝飾器.
# 日誌文件
atmlog_file = open("DB/log.txt","at",encoding="utf-8")

# 用戶流水文件
moneyflow = None

def atm_logger(func):
    def wrapper(*args,**kwargs):
        res = func(*args,**kwargs)
        # 記錄日誌
        atmlog_file.write("[%s] user:%s function:%s\n" % (datetime.datetime.now(),current_usr["name"],func.__name__))
        atmlog_file.flush() # 當即刷出緩存區的數據到硬盤 若是每次write都操做一次硬盤
                            # 效率很是低 因此python內置了緩衝區  只有當緩衝區滿了纔會寫入硬盤 一次來下降硬盤操做次數
    return wrapper


# 登陸
def atm_login():
    while True:
        name = input("請輸入帳戶名:(q退出)\n").strip()
        # 手動記錄日誌 由於用戶尚未登錄
        atmlog_file.write("[%s] user:%s function:%s\n" % (datetime.datetime.now(), name, atm_login.__name__))
        atmlog_file.flush()
        if name == "q":
            return
        if not name:
            print("用戶名不能爲空!")
            continue
        usr = get_usr(name)
        if not usr:
            print("用戶名不存在!")
            continue

        pwd = input("請輸入密碼:\n").strip()
        if not pwd:
            print("密碼不能爲空!")
            continue
        if name == usr["name"] and pwd == usr["pwd"]:
            print("登陸成功")

            global current_usr,moneyflow
            # 打開流水文件
            moneyflow = open("DB/%s.txt" % name,"at",encoding="utf-8")
            # 記錄當前登陸用戶信息
            current_usr = usr
            return
        else:
            print("帳戶名或密碼不正確!請重試!")


#     提現
@login_auth
@atm_logger
def withdraw():
    while True:
        print("當前餘額:%s元" % current_usr["money"])
        money = input("請輸入提款金額:(整數 q退出)\n")
        if money == "q":return
        if not money.isdigit():
            print("輸入有誤!請重試!")
            continue
        money = int(money)
        # 手續費
        opt = money * 0.05
        print("須要手續費%s元" % opt)
        usr_moeny = float(current_usr["money"])
        if money+opt > usr_moeny:
            print("餘額不足!很尷尬")
            continue
        current_usr["money"] = str(usr_moeny - money - opt)
        save_to_file()
        print("請提取你的鈔票!")
        moneyflow.write("[%s] 帳戶:%s 提現%s元 餘額%s元\n" % (datetime.datetime.now(),
                                                    current_usr["name"],
                                                    money,
                                                    current_usr["money"]))
        moneyflow.flush()
        return

#     轉帳
@login_auth
@atm_logger
def transfer():
    while True:
        account = input("請輸入對方的帳戶名:\n")
        to_usr = get_usr(account)
        if not to_usr:
            print("帳戶不存在 請從新輸入!")
            continue
        print("當前餘額:%s元" % current_usr["money"])
        money = input("請輸入轉帳金額:(整數 q退出)\n")
        if money == "q": return
        money = str_to_num(money)
        if not money:
            print("輸入有誤!請重試!")
            continue
        usr_moeny = float(current_usr["money"])
        if money  > usr_moeny:
            print("餘額不足!很尷尬")
            continue
        # 原始帳戶減去
        current_usr["money"] = str(usr_moeny - money)
        # 目標帳戶加上
        to_usr["money"] = str(float(to_usr["money"]) + money)
        save_to_file()
        print("轉帳成功!")
        moneyflow.write("[%s] 帳戶:%s 轉帳%s元 給%s 餘額%s元\n" % (datetime.datetime.now(),
                                                    current_usr["name"],
                                                    money,
                                                    account,
                                                    current_usr["money"]))
        moneyflow.flush()
        return


# 將字符串轉成數字 "11212101.s"
def str_to_num(text):
    if text.isdigit():
        return int(text)
    if "." in text:
        ts = text.split(".")
        if len(ts) == 2:
            if ts[0].isdigit() and ts[1].isdigit():
                return float(text)

#     還款
@login_auth
@atm_logger
def repayment():
    print("您當前欠款:%s" % (str_to_num(current_usr["max"]) - str_to_num(current_usr["money"])))
    while True:
        print("repayment")
        money = input("請輸入還款金額!q退出:\n")
        if money == "q":return
        money = str_to_num(money)
        if not money:
            print("輸入有誤 請重試!")
            continue
        current_usr["money"] = str(str_to_num(current_usr["money"]) + money)
        save_to_file()
        print("還款成功!")
        moneyflow.write("[%s] 帳戶:%s 還款%s元 餘額%s元\n" % (datetime.datetime.now(),
                                                    current_usr["name"],
                                                    money,
                                                    current_usr["money"]))
        moneyflow.flush()
        return

# 結算 須要傳入訂單總價格
@login_auth
@atm_logger
def paymoney(price):
    if price > str_to_num(current_usr["money"]):
        print("額度不足!又尷尬了")
    else:
        current_usr["money"] = str(str_to_num(current_usr["money"]) - price)
        save_to_file()
        print("結算成功!")
        moneyflow.write("[%s] 帳戶:%s 購物消費%s元 餘額%s元\n" % (datetime.datetime.now(),
                                                    current_usr["name"],
                                                    price,
                                                    current_usr["money"]))
        moneyflow.flush()
        return True


def atm():
    atm_funcs = {"1": atm_login, "2": withdraw, "3": transfer, "4": repayment}
    while True:
        print("""
1.登陸
2.提現
3.轉帳
4.還款
(q.退出!)""")
        index = input("請選擇:\n")
        if index == "q":
            # 清空當前用戶信息 關閉流水文件
            global current_usr
            if current_usr:
                current_usr = None
                moneyflow.close()

            return
        if index in atm_funcs:
            atm_funcs[index]()
        else:
            print("輸入有誤請重試!")

# ATM====================================================

# 管理員接口=============================================

# 顯示全部的用戶信息 並從中選擇一個用戶
def show_users_and_select():
    while True:
        for usr in user_data:
            print("%-10s %-10s %-10s %-2s" % (usr["name"],usr["max"],usr["money"],usr["lock"]))
        select = input("請選擇一個用戶(輸入用戶名:q退出)\n")
        if select == "q":
            return
        for u in user_data:
            if select == u["name"]:
                return u
        else:
            print("輸入不正確 請從新輸入!")


# 管理員登陸
def admin_login():
    while True:
        name = input("請輸入管理員帳戶名:(q退出)\n").strip()
        if name == "q":
            return
        if not name:
            print("用戶名不能爲空!")
            continue
        pwd = input("請輸入管理員密碼:\n").strip()
        if not pwd:
            print("密碼不能爲空!")
            continue
        if name == "admin" and pwd == "123":
            print("登陸成功")
            return True
        else:
            print("帳戶名或密碼不正確!請重試!")


#添加帳戶
def create_user():
    while True:
        name = input("請輸入帳戶名:(q退出)\n").strip()
        if name == "q":
            return
        if not name:
            print("用戶名不能爲空!")
            continue
        # 獲取用戶 經過帳戶名
        usr = get_usr(name)
        if usr:
            print("用戶名已經存在,請重試!")
            continue
        pwd = input("請輸入密碼:\n").strip()
        if not pwd:
            print("密碼不能爲空!")
            continue
        if pwd != input("請再次輸入密碼:").strip():
            print("兩次密碼不相同請重試!")
            continue
        # 將用戶輸入的信息打包成字典 存到列表中
        new_usr = {"name":name,"pwd":pwd,"max":"15000","money":"500","lock":"0"}
        user_data.append(new_usr)
        print("建立成功!")
        # 持久化存儲......
        save_to_file()
        return


#調整額度
def modify_amount():
    # 先選擇一個用戶
    usr = show_users_and_select()
    if not usr:
        return
    while True:
        # 輸入新的額度
        new_max = input("請輸入新的額度:(q退出)\n").strip()
        if new_max == "q":
            return
        if not new_max.isdigit():
            print("輸入不正確 請從新輸入!")
            continue
        usr["max"] = new_max
        save_to_file()
        print("修改爲功!")
        return

#凍結帳戶
def lock_user():
    # 先選擇一個用戶
    usr = show_users_and_select()
    if not usr:
        print("取消操做!")
        return
    usr["lock"] = "1"
    save_to_file()
    print("凍結成功!")

#解凍帳戶
def unlock_user():
    # 先選擇一個用戶
    usr = show_users_and_select()
    if not usr:
        print("取消操做!")
        return
    usr["lock"] = "0"
    save_to_file()
    print("解凍成功!")

# 管理員接口界面
def admin_view():
    # 調用登陸功能驗證是否有權限執行操做
    if not admin_login():
        return
    admin_funcs = {"1":create_user,"2":modify_amount,"3":lock_user,"4":unlock_user}
    while True:
        print("""
1.添加帳戶
2.修改額度
3.凍結帳戶
4.解凍帳戶
(q.退出!)""")
        index = input("請選擇:\n")
        if index == "q":
            return
        if index in admin_funcs:
            admin_funcs[index]()
        else:
            print("輸入有誤請重試!")
# 管理員接口=============================================

# 程序的入口函數
def run():
    print("welcome to oldboy ATM system!")
    # 將函數裝到字典中 用序號做爲key 方便判斷
    funcs = {"1": shop_center, "2": atm, "3": admin_view}
    while True:
        print("""
1.購物中心
2.ATM
3.管理員接口
(q.退出!)""")
        index = input("請選擇:\n")
        if index == "q":
            print("下次再見!")
            return
        if index in funcs:
            funcs[index]()
        else:
            print("輸入有誤請重試!")

# 啓動系統
load_data()
run()
atmlog_file.close()

# print(user_data)
# print(str_to_num("100.s"))

# import time
import datetime
# time.time()   # 當前時間戳
# datetime.datetime.now() # 本地之間


# 數據處理=====================================
# 所有用戶數據
user_data = []
# 加載數據到內存
def load_data():
    f = open("DB/user_db.txt","rt",encoding="utf-8")
    for line in f:
        line = line.strip("\n")
        if line == "\n":continue
        ls = line.split("|")
        usr_dic = {"name":ls[0],
                   "pwd":ls[1],
                   "max": ls[2],
                   "money": ls[3],
                   "lock": ls[4]}
        user_data.append(usr_dic)
    f.close()

# 根據帳戶名獲取一個用戶
def get_usr(name):
    for usr in user_data:
        if usr["name"] == name:
            return usr

# 將內存中的數據持久存儲到文件中
def save_to_file():
    f = open("DB/user_db.txt","wt",encoding="utf-8")
    for usr in user_data:
        text = "|".join(usr.values())
        text += "\n"
        f.write(text)
    f.close()


# 數據處理=====================================

# 登陸驗證裝飾器(閉包函數) (再不改變源代碼的調用方式基礎上 爲這個函數添加新功能)
def login_auth(func):
    def wrapper(*args,**kwargs):
        # 驗證是否登錄過了
        if current_usr == None:
            print("請先登陸!")
            atm_login()
            if current_usr:
                return func(*args,**kwargs)
        else:
            return func(*args,**kwargs)
    return wrapper



# 購物中心========================================
# 商品信息
products = [{"name":"挨糞叉","price":6888},
            {"name":"錘子TNT","price":10888},
            {"name":"小米mix2","price":2888}]

# 購物車
car = {}

# 購物
def shopping():
    while True:
    # 打印出全部商品信息
        count = 1
        for p in products:
            print("序號:%-3s 名稱:%-10s 價格:%-6s" % (count,p["name"],p["price"]))
            count += 1
        select = input("親輸入商品的序號q退出:\n")
        if select == "q":
            return
        if select.isdigit() and int(select) >= 1 and int(select) <= len(products):
            pd = products[int(select)-1]
            print("%s已成功加入購物車!" % pd["name"])
            # 判斷商品是否已經存在於購物車
            if pd["name"] in car:
                car[pd["name"]]["count"] += 1
            else:
                car[pd["name"]] = {"price":pd["price"],"count":1}
        else:
            print("輸入有誤請從新輸入!")


# 查看購物車
def show_cars():
    if not car:
        s = input("你的購物車是空的! 你要買點什麼嗎? y/n")
        if s == "y":
            shopping()
            return
        else:
            return
    print("您的購物車信息:")
    for p in car:
        print("名稱:%-10s 價格:%-8s 數量:%-3s 總價:%-10s" % (p,
                                                     car[p]["price"],
                                                     car[p]["count"],
                                                     car[p]["price"] * car[p]["count"]))
    select = input("輸入y調整商品數量!(數量爲0則刪除商品!) 輸入其餘退出!")
    if select == "y":
        modify_count()


# 調整購物車中的商品數量
def modify_count():
    while True:
        name = input("請輸入商品名稱q退出:\n")
        if name == "q":
            return
        if name not in car:
            print("輸入不正確請重試!")
            continue

        while True:
            count = input("輸入調整後數量:\n")
            if not count.isdigit():
                print("數量不正確 必須是整數!")
                continue
            count = int(count)
            if count == 0:
                car.pop(name)
                print("%s已刪除" % name)
                return
            else:
                car[name]["count"] = count
                print("修改爲功!")
                return


# 結算
@login_auth
def pay_cars():
    # 計算商品總價格
    sum = 0
    for p in car:
        sum += car[p]["price"] * car[p]["count"]
    print("您的訂單總價爲:%s元" % sum)
    if paymoney(sum):
        print("剁手成功! 回家等着吧!")
        clear_cars()


# 清空購物車
def clear_cars():
    car.clear()
    print("購物車已清空!")


def shop_center():
    shopfuncs = {"1":shopping,"2":show_cars,"3":pay_cars,"4":clear_cars}
    while True:
        print("""
1.購物
2.查看購物車
3.結算
4.清空
q.退出""")
        index = input("請選擇:\n").strip()
        if index == "q":
            return
        if index in shopfuncs:
            shopfuncs[index]()
        else:
            print("輸入不正確!請重試!")


# 購物中心========================================

# ATM====================================================
# 用於保存登陸成功的用戶信息
current_usr = None

# 日誌裝飾器.
# 日誌文件
atmlog_file = open("DB/log.txt","at",encoding="utf-8")

# 用戶流水文件
moneyflow = None

def atm_logger(func):
    def wrapper(*args,**kwargs):
        res = func(*args,**kwargs)
        # 記錄日誌
        atmlog_file.write("[%s] user:%s function:%s\n" % (datetime.datetime.now(),current_usr["name"],func.__name__))
        atmlog_file.flush() # 當即刷出緩存區的數據到硬盤 若是每次write都操做一次硬盤
                            # 效率很是低 因此python內置了緩衝區  只有當緩衝區滿了纔會寫入硬盤 一次來下降硬盤操做次數
    return wrapper


# 登陸
def atm_login():
    while True:
        name = input("請輸入帳戶名:(q退出)\n").strip()
        # 手動記錄日誌 由於用戶尚未登錄
        atmlog_file.write("[%s] user:%s function:%s\n" % (datetime.datetime.now(), name, atm_login.__name__))
        atmlog_file.flush()
        if name == "q":
            return
        if not name:
            print("用戶名不能爲空!")
            continue
        usr = get_usr(name)
        if not usr:
            print("用戶名不存在!")
            continue

        pwd = input("請輸入密碼:\n").strip()
        if not pwd:
            print("密碼不能爲空!")
            continue
        if name == usr["name"] and pwd == usr["pwd"]:
            print("登陸成功")

            global current_usr,moneyflow
            # 打開流水文件
            moneyflow = open("DB/%s.txt" % name,"at",encoding="utf-8")
            # 記錄當前登陸用戶信息
            current_usr = usr
            return
        else:
            print("帳戶名或密碼不正確!請重試!")


#     提現
@login_auth
@atm_logger
def withdraw():
    while True:
        print("當前餘額:%s元" % current_usr["money"])
        money = input("請輸入提款金額:(整數 q退出)\n")
        if money == "q":return
        if not money.isdigit():
            print("輸入有誤!請重試!")
            continue
        money = int(money)
        # 手續費
        opt = money * 0.05
        print("須要手續費%s元" % opt)
        usr_moeny = float(current_usr["money"])
        if money+opt > usr_moeny:
            print("餘額不足!很尷尬")
            continue
        current_usr["money"] = str(usr_moeny - money - opt)
        save_to_file()
        print("請提取你的鈔票!")
        moneyflow.write("[%s] 帳戶:%s 提現%s元 餘額%s元\n" % (datetime.datetime.now(),
                                                    current_usr["name"],
                                                    money,
                                                    current_usr["money"]))
        moneyflow.flush()
        return

#     轉帳
@login_auth
@atm_logger
def transfer():
    while True:
        account = input("請輸入對方的帳戶名:\n")
        to_usr = get_usr(account)
        if not to_usr:
            print("帳戶不存在 請從新輸入!")
            continue
        print("當前餘額:%s元" % current_usr["money"])
        money = input("請輸入轉帳金額:(整數 q退出)\n")
        if money == "q": return
        money = str_to_num(money)
        if not money:
            print("輸入有誤!請重試!")
            continue
        usr_moeny = float(current_usr["money"])
        if money  > usr_moeny:
            print("餘額不足!很尷尬")
            continue
        # 原始帳戶減去
        current_usr["money"] = str(usr_moeny - money)
        # 目標帳戶加上
        to_usr["money"] = str(float(to_usr["money"]) + money)
        save_to_file()
        print("轉帳成功!")
        moneyflow.write("[%s] 帳戶:%s 轉帳%s元 給%s 餘額%s元\n" % (datetime.datetime.now(),
                                                    current_usr["name"],
                                                    money,
                                                    account,
                                                    current_usr["money"]))
        moneyflow.flush()
        return


# 將字符串轉成數字 "11212101.s"
def str_to_num(text):
    if text.isdigit():
        return int(text)
    if "." in text:
        ts = text.split(".")
        if len(ts) == 2:
            if ts[0].isdigit() and ts[1].isdigit():
                return float(text)

#     還款
@login_auth
@atm_logger
def repayment():
    print("您當前欠款:%s" % (str_to_num(current_usr["max"]) - str_to_num(current_usr["money"])))
    while True:
        print("repayment")
        money = input("請輸入還款金額!q退出:\n")
        if money == "q":return
        money = str_to_num(money)
        if not money:
            print("輸入有誤 請重試!")
            continue
        current_usr["money"] = str(str_to_num(current_usr["money"]) + money)
        save_to_file()
        print("還款成功!")
        moneyflow.write("[%s] 帳戶:%s 還款%s元 餘額%s元\n" % (datetime.datetime.now(),
                                                    current_usr["name"],
                                                    money,
                                                    current_usr["money"]))
        moneyflow.flush()
        return

# 結算 須要傳入訂單總價格
@login_auth
@atm_logger
def paymoney(price):
    if price > str_to_num(current_usr["money"]):
        print("額度不足!又尷尬了")
    else:
        current_usr["money"] = str(str_to_num(current_usr["money"]) - price)
        save_to_file()
        print("結算成功!")
        moneyflow.write("[%s] 帳戶:%s 購物消費%s元 餘額%s元\n" % (datetime.datetime.now(),
                                                    current_usr["name"],
                                                    price,
                                                    current_usr["money"]))
        moneyflow.flush()
        return True


def atm():
    atm_funcs = {"1": atm_login, "2": withdraw, "3": transfer, "4": repayment}
    while True:
        print("""
1.登陸
2.提現
3.轉帳
4.還款
(q.退出!)""")
        index = input("請選擇:\n")
        if index == "q":
            # 清空當前用戶信息 關閉流水文件
            global current_usr
            if current_usr:
                current_usr = None
                moneyflow.close()

            return
        if index in atm_funcs:
            atm_funcs[index]()
        else:
            print("輸入有誤請重試!")

# ATM====================================================

# 管理員接口=============================================

# 顯示全部的用戶信息 並從中選擇一個用戶
def show_users_and_select():
    while True:
        for usr in user_data:
            print("%-10s %-10s %-10s %-2s" % (usr["name"],usr["max"],usr["money"],usr["lock"]))
        select = input("請選擇一個用戶(輸入用戶名:q退出)\n")
        if select == "q":
            return
        for u in user_data:
            if select == u["name"]:
                return u
        else:
            print("輸入不正確 請從新輸入!")


# 管理員登陸
def admin_login():
    while True:
        name = input("請輸入管理員帳戶名:(q退出)\n").strip()
        if name == "q":
            return
        if not name:
            print("用戶名不能爲空!")
            continue
        pwd = input("請輸入管理員密碼:\n").strip()
        if not pwd:
            print("密碼不能爲空!")
            continue
        if name == "admin" and pwd == "123":
            print("登陸成功")
            return True
        else:
            print("帳戶名或密碼不正確!請重試!")


#添加帳戶
def create_user():
    while True:
        name = input("請輸入帳戶名:(q退出)\n").strip()
        if name == "q":
            return
        if not name:
            print("用戶名不能爲空!")
            continue
        # 獲取用戶 經過帳戶名
        usr = get_usr(name)
        if usr:
            print("用戶名已經存在,請重試!")
            continue
        pwd = input("請輸入密碼:\n").strip()
        if not pwd:
            print("密碼不能爲空!")
            continue
        if pwd != input("請再次輸入密碼:").strip():
            print("兩次密碼不相同請重試!")
            continue
        # 將用戶輸入的信息打包成字典 存到列表中
        new_usr = {"name":name,"pwd":pwd,"max":"15000","money":"500","lock":"0"}
        user_data.append(new_usr)
        print("建立成功!")
        # 持久化存儲......
        save_to_file()
        return


#調整額度
def modify_amount():
    # 先選擇一個用戶
    usr = show_users_and_select()
    if not usr:
        return
    while True:
        # 輸入新的額度
        new_max = input("請輸入新的額度:(q退出)\n").strip()
        if new_max == "q":
            return
        if not new_max.isdigit():
            print("輸入不正確 請從新輸入!")
            continue
        usr["max"] = new_max
        save_to_file()
        print("修改爲功!")
        return

#凍結帳戶
def lock_user():
    # 先選擇一個用戶
    usr = show_users_and_select()
    if not usr:
        print("取消操做!")
        return
    usr["lock"] = "1"
    save_to_file()
    print("凍結成功!")

#解凍帳戶
def unlock_user():
    # 先選擇一個用戶
    usr = show_users_and_select()
    if not usr:
        print("取消操做!")
        return
    usr["lock"] = "0"
    save_to_file()
    print("解凍成功!")

# 管理員接口界面
def admin_view():
    # 調用登陸功能驗證是否有權限執行操做
    if not admin_login():
        return
    admin_funcs = {"1":create_user,"2":modify_amount,"3":lock_user,"4":unlock_user}
    while True:
        print("""
1.添加帳戶
2.修改額度
3.凍結帳戶
4.解凍帳戶
(q.退出!)""")
        index = input("請選擇:\n")
        if index == "q":
            return
        if index in admin_funcs:
            admin_funcs[index]()
        else:
            print("輸入有誤請重試!")
# 管理員接口=============================================

# 程序的入口函數
def run():
    print("welcome to oldboy ATM system!")
    # 將函數裝到字典中 用序號做爲key 方便判斷
    funcs = {"1": shop_center, "2": atm, "3": admin_view}
    while True:
        print("""
1.購物中心
2.ATM
3.管理員接口
(q.退出!)""")
        index = input("請選擇:\n")
        if index == "q":
            print("下次再見!")
            return
        if index in funcs:
            funcs[index]()
        else:
            print("輸入有誤請重試!")

# 啓動系統
load_data()
run()
atmlog_file.close()

# print(user_data)
# print(str_to_num("100.s"))









































# 只有程序時從當前文件開始運行時才進入if語句
# if __name__ == '__main__':

# 只有程序時從當前文件開始運行時才進入if語句
# if __name__ == '__main__':