1. 程式人生 > >Python:簡單銀行系統實現

Python:簡單銀行系統實現

1、admin.py 定義管理員資訊和主介面顯示

#!/usr/bin/env python
# coding:UTF-8


"""
@version: python3.x
@author:曹新健
@contact: [email protected]
@software: PyCharm
@file: admin.py
@time: 2018/9/11 10:14
"""


import time
class Admin():
    def __init__(self,name,passwd):
        self.name = name
        self.__passwd = passwd
        self.__status = False

    def adminView(self):
        for i in range(4):
            print("".center(60,"*"))
        s1 = "歡迎光臨曹氏銀行"
        print(s1.center(60-len(s1),"*"))
        for i in range(4):
            print("".center(60,"*"))
        if self.__status:
            print("管理員被鎖定,請聯絡大神曹新健")
            return -1
        name = input("請輸入管理員使用者名稱:")
        if name != self.name:
            print("使用者名稱輸入錯誤")
            return -1
        if self.checkAdminPasswd() != 0:
            return  -1
        return 0



    def adminAction(self):
        print("""************************************************************
***************開戶(1)****************銷戶(2)***************
***************查詢(3)****************轉賬(4)***************
***************取款(5)****************存款(6)***************
***************鎖定(7)****************解鎖(8)***************
***************改密(9)****************補卡(0)***************
************************退出 系統(q)************************
************************************************************
        """)

    def checkAdminPasswd(self):
        n = 0
        while n <= 3:
            if n == 3:
                self.status = True
                print("輸入超過3次,管理員被鎖定,請聯絡大神曹新健")
                return -1
            passwd = input("請輸入密碼:")
            if passwd != self.__passwd:
                print("密碼輸入錯誤,請重新輸入")
                n += 1
            else:
                print("密碼驗證成功,請稍後")
                time.sleep(2)
                return 0
    @property
    def passwd(self):
        return self.__passwd

    @passwd.setter
    def passwd(self,password):
        self.__passwd = password

    @property
    def status(self):
        return self.__status

    @status.setter
    def status(self, st):
        self.__status = st

if __name__ == "__main__":
    admin = Admin("cxj","1")
    while True:
        admin.adminView()

2、card.py定義銀行卡資訊

#!/usr/bin/env python
# coding:UTF-8


"""
@version: python3.x
@author:曹新健
@contact: [email protected]
@software: PyCharm
@file: card.py
@time: 2018/9/11 15:02
"""


import random

class Card():
    def __init__(self,id,balance):
        self.__id = id
        self.__balance = balance
        self.status = False

    @property
    def id(self):
        return self.__id

    @id.setter
    def id(self,id):
        self.__id = id

    @property
    def balance(self):
        return self.__balance

    @balance.setter
    def balance(self,balance):
        self.__balance = balance


if __name__ == "__main__":
    card = Card(1000)
    print(card.id)
    print(card.balance)

3、user.py定義銀行賬戶資訊

#!/usr/bin/env python
# coding:UTF-8


"""
@version: python3.x
@author:曹新健
@contact: [email protected]
@software: PyCharm
@file: user.py
@time: 2018/9/11 14:54
"""

class User():
    def __init__(self,name,idCard,phone,passwd,card):
        self.__name = name
        self.__idCard = idCard
        self.phone = phone
        self.__passwd = passwd
        self.card = card

    @property
    def name(self):
         return self.__name

    @name.setter
    def name(self,name):
        self.__name = name

    @property
    def idCard(self):
        return self.__idCard

    @idCard.setter
    def idCard(self, idCard):
        self.__idCard = idCard

    @property
    def passwd(self):
        return self.__passwd

    @passwd.setter
    def passwd(self, passwd):
        if self.__passwd == passwd:
            raise UsersException("新密碼跟舊密碼一樣")
        else:
            self.__passwd = passwd

class UsersException(Exception):
    pass

4、functions.py銀行功能邏輯實現

#!/usr/bin/env python
# coding:UTF-8


"""
@version: python3.x
@author:曹新健
@contact: [email protected]
@software: PyCharm
@file: functions.py
@time: 2018/9/11 11:01
"""

import pickle,os,random
from admin import Admin
from card import Card
from user import User,UsersException

pathAdmin = os.path.join(os.getcwd(), "admin.txt")
pathUser = os.path.join(os.getcwd(), "users.txt")

def rpickle(path):
    if not os.path.exists(path):
        with open(path,"w") as temp:
            pass
    with open(path,'rb') as f:
        try:
            info =  pickle.load(f)
        except EOFError as e:
            info = ""
    return info

def wpickle(objname,path):
    if not os.path.exists(path):
        with open(path,"w") as temp:
            pass
    with open(path,'wb') as f:
        pickle.dump(objname,f)

def adminInit():
    # print(pathAdmin)
    adminInfo = rpickle(pathAdmin)
    if adminInfo:
        admin = adminInfo
        # print(admin.status)
    else:
        admin = Admin("cxj", "1")
    return admin

def adminClose(admin):
    wpickle(admin, pathAdmin)

def randomId(users):

    while True:
        str1 = ""
        for i in range(6):
            ch = str((random.randrange(0, 10)))
            str1 += ch
        if not users.get(str1,""):
            return str1

def openAccount(users):
    name = input("請輸入您的姓名:")
    idCard = input("請輸入您的身份證號:")
    phone = input("請輸入您的電話號碼:")
    passwd = input("請輸入賬號密碼:")
    balance = int(input("請輸入您的金額:"))
    id = randomId(users)
    card = Card(id,balance)
    user = User(name,idCard,phone,passwd,card)
    users[id] = user
    print("請牢記您的銀行卡號%s" %(id))


def userInit():
    userInfo = rpickle(pathUser)
    if userInfo:
        users = userInfo
    else:
        users = {}
    return users

def userClose(users):
    wpickle(users, pathUser)

def getUser(users):
    id = input("請輸入您的銀行卡號:")
    if not users.get(id, ""):
        print("您輸入的卡號不存在")
        user = None
    else:
        user = users.get(id)
    return user

def transferUser(users):
    id = input("請輸入轉賬(對方)的銀行卡號:")
    if not users.get(id, ""):
        print("您輸入的卡號不存在")
        user = None
    else:
        user = users.get(id)
    return user

def changeMoney(user,res):
    money = int(input("請輸入交易金額:"))
    if money <= 0:
        print("輸入金額有誤")
        return 0
    if res:
        if money > user.card.balance:
            print("餘額不足")
            return 0
    return money

def serchAccount(users):
    user = getUser(users)
    if not user:
        return -1
    if user.card.status:
        print("賬戶被鎖定,請解鎖後再使用其他功能")
        return -1
    res = checkUserPasswd(user)
    if not res:
        print("您的賬戶名稱為%s,您的餘額為%s" % (user.name, user.card.balance))

def transferAccount(users):
    user = getUser(users)
    if not user:
        return -1
    if user.card.status:
        print("賬戶被鎖定,請解鎖後再使用其他功能")
        return -1
    res = checkUserPasswd(user)
    if not res:
        transUser = transferUser(users)
        if not transUser:
            return -1
        money = changeMoney(user,1)
        if not money:
            return -1
        user.card.balance -= money
        transUser.card.balance += money
        print("交易成功")

def withdrawal(users):
    user = getUser(users)
    if not user:
        return -1
    if user.card.status:
        print("賬戶被鎖定,請解鎖後再使用其他功能")
        return -1
    res = checkUserPasswd(user)
    if not res:
        money = changeMoney(user,1)
        if not money:
            return -1
        user.card.balance -= money
        print("交易成功")

def deposit(users):
    user = getUser(users)
    if not user:
        return -1
    if user.card.status:
        print("賬戶被鎖定,請解鎖後再使用其他功能")
        return -1
    res = checkUserPasswd(user)
    if not res:
        money = changeMoney(user,0)
        if not money:
            return -1
        user.card.balance += money
        print("交易成功")

def delAccount(users):
    user = getUser(users)
    if not user:
        return -1
    if user.card.status:
        print("賬戶被鎖定,請解鎖後再使用其他功能")
        return -1
    res = checkUserPasswd(user)
    if not res:
        users.pop(user.card.id)
        print("賬戶刪除成功")
        return 0

def lockAccount(users):
    user = getUser(users)
    if not user:
        return -1
    if user.card.status:
        print("賬戶被鎖定,請解鎖後再使用其他功能")
        return -1
    checkUserPasswdLock(user)

def unlockAccount(users):
    user = getUser(users)
    if not user:
        return -1
    if not user.card.status:
        print("賬戶不需要解鎖")
        return -1
    res = checkUserPasswd(user)
    if not res:
        user.card.status = False
        print("賬戶解鎖成功!")

def changePasswd(users):
    user = getUser(users)
    if not user:
        return -1
    if user.card.status:
        print("賬戶被鎖定,請解鎖後再使用其他功能")
        return -1
    res = checkUserPasswd(user)
    if not res:
        newPasswd = input("請輸入新密碼:")
        try:
            user.passwd = newPasswd
        except UsersException as e:
            print(e)
        else:
            print("密碼修改成功!")

def makeNewCard(users):
    user = getUser(users)
    if not user:
        return -1
    if user.card.status:
        print("賬戶被鎖定,請解鎖後再使用其他功能")
        return -1
    res = checkUserPasswd(user)
    if not res:
        id = randomId(users)
        userinfo = users[user.card.id]
        users.pop(user.card.id)
        users[id] = userinfo
        users[id].card.id = id


        print("補卡成功,請牢記您的銀行卡號%s" % (id))

def checkUserPasswd(user):
    n = 0
    while n <= 3:
        if n == 3:
            user.card.status = True
            print("輸入超過3次,賬戶被鎖定,請解鎖後再使用其他功能")
            return -1
        passwd = input("請輸入您的賬戶密碼:")
        if passwd != user.passwd:
            print("密碼輸入錯誤,請重新輸入")
            n += 1
        else:
            return 0

def checkUserPasswdLock(user):
    n = 0
    while n <= 3:
        if n == 3:
            print("輸入超過3次,賬戶鎖定失敗!")
            return -1
        passwd = input("請輸入您的賬戶密碼:")
        if passwd != user.passwd:
            print("密碼輸入錯誤,請重新輸入")
            n += 1
        else:
            user.card.status = True
            print("賬戶鎖定成功!")
            return 0

5、bankManage.py  主程式

#!/usr/bin/env python
# coding:UTF-8


"""
@version: python3.x
@author:曹新健
@contact: [email protected]
@software: PyCharm
@file: bankManage.py
@time: 2018/9/11 9:57
"""

'''
管理員類:
名稱:Admin
屬性:name、passwd
方法:顯示管理員歡迎介面、顯示功能介面

銀行卡:
名稱:Card
屬性:id,balance
方法:生成卡號

取款機:
名稱:ATM
屬性:
方法:開戶、查詢、取款、轉賬、存款、改密、鎖定、解鎖、補卡、銷戶

使用者:
名稱:user
屬性:姓名、身份號、電話號、銀行卡
方法:
'''

import time,os
from admin import Admin
import functions


#users = {}
def run():
    admin = functions.adminInit()
    users = functions.userInit()
    #print(users)
    if admin.adminView():
        functions.adminClose(admin)
        functions.userClose(users)
        return -1
    while True:
        admin.adminAction()
        value = input("請選擇你要辦理的業務:")
        if value == "1":
            functions.openAccount(users)
            functions.userClose(users)
        elif value == "2":
            functions.delAccount(users)
            functions.userClose(users)
        elif value == "3":
            functions.serchAccount(users)
        elif value == "4":
            functions.transferAccount(users)
            functions.userClose(users)
        elif value == "5":
            functions.withdrawal(users)
            functions.userClose(users)
        elif value == "6":
            functions.deposit(users)
            functions.userClose(users)
        elif value == "7":
            functions.lockAccount(users)
            functions.userClose(users)
        elif value == "8":
            functions.unlockAccount(users)
            functions.userClose(users)
        elif value == "9":
            functions.changePasswd(users)
            functions.userClose(users)
        elif value == "0":
            functions.makeNewCard(users)
            functions.userClose(users)
        elif value == "q":
            functions.adminClose(admin)
            functions.userClose(users)
            return -1
        elif value == "m":
            for user in users:
                print(user)
        else:
            print("艾瑪,您的輸入小編實在不能理解,重新輸入吧")



if __name__ == "__main__":
    run()