python银行系统实现源码

本文实例为大家分享了python实现银行系统的具体代码，供大家参考，具体内容如下

1、admin.py 定义管理员信息和主界面显示

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

"""
@version: python3.x
@author:曹新健
@contact: 617349013@qq.com
@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 = "欢迎光临曹氏银行"
print(s1.center(60-len(s1),"*"))
for i in range(4):
 print("".center(60,"*"))
if self.__status:
 print("管理员被锁定，请联系大神曹新健")
 return -1
name = input("请输入管理员用户名：")
if name != self.name:
 print("用户名输入错误")
 return -1
if self.checkAdminPasswd() != 0:
 return -1
return 0

def adminAction(self):
print("""************************************************************
***************开户(1)****************销户(2)***************
***************查询(3)****************转账(4)***************
***************取款(5)****************存款(6)***************
***************锁定(7)****************解锁(8)***************
***************改密(9)****************补卡(0)***************
************************退出 系统(q)************************
************************************************************
""")

def checkAdminPasswd(self):
n = 0
while n <= 3:
 if n == 3:
 self.status = True
 print("输入超过3次，管理员被锁定，请联系大神曹新健")
 return -1
 passwd = input("请输入密码：")
 if passwd != self.__passwd:
 print("密码输入错误，请重新输入")
 n += 1
 else:
 print("密码验证成功，请稍后")
 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定义银行卡信息

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

"""
@version: python3.x
@author:曹新健
@contact: 617349013@qq.com
@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定义银行账户信息

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

"""
@version: python3.x
@author:曹新健
@contact: 617349013@qq.com
@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("新密码跟旧密码一样")
else:
 self.__passwd = passwd

class UsersException(Exception):
pass

4、functions.py银行功能逻辑实现

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

"""
@version: python3.x
@author:曹新健
@contact: 617349013@qq.com
@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("请输入您的姓名：")
idCard = input("请输入您的身份证号：")
phone = input("请输入您的电话号码：")
passwd = input("请输入账号密码：")
balance = int(input("请输入您的金额："))
id = randomId(users)
card = Card(id,balance)
user = User(name,idCard,phone,passwd,card)
users[id] = user
print("请牢记您的银行卡号％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("请输入您的银行卡号：")
if not users.get(id, ""):
print("您输入的卡号不存在")
user = None
else:
user = users.get(id)
return user

def transferUser(users):
id = input("请输入转账（对方）的银行卡号：")
if not users.get(id, ""):
print("您输入的卡号不存在")
user = None
else:
user = users.get(id)
return user

def changeMoney(user,res):
money = int(input("请输入交易金额："))
if money <= 0:
print("输入金额有误")
return 0
if res:
if money > user.card.balance:
 print("余额不足")
 return 0
return money

def serchAccount(users):
user = getUser(users)
if not user:
return -1
if user.card.status:
print("账户被锁定，请解锁后再使用其他功能")
return -1
res = checkUserPasswd(user)
if not res:
print("您的账户名称为％s,您的余额为％s" ％ (user.name, user.card.balance))

def transferAccount(users):
user = getUser(users)
if not user:
return -1
if user.card.status:
print("账户被锁定，请解锁后再使用其他功能")
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("账户被锁定，请解锁后再使用其他功能")
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("账户被锁定，请解锁后再使用其他功能")
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("账户被锁定，请解锁后再使用其他功能")
return -1
res = checkUserPasswd(user)
if not res:
users.pop(user.card.id)
print("账户删除成功")
return 0

def lockAccount(users):
user = getUser(users)
if not user:
return -1
if user.card.status:
print("账户被锁定，请解锁后再使用其他功能")
return -1
checkUserPasswdLock(user)

def unlockAccount(users):
user = getUser(users)
if not user:
return -1
if not user.card.status:
print("账户不需要解锁")
return -1
res = checkUserPasswd(user)
if not res:
user.card.status = False
print("账户解锁成功！")

def changePasswd(users):
user = getUser(users)
if not user:
return -1
if user.card.status:
print("账户被锁定，请解锁后再使用其他功能")
return -1
res = checkUserPasswd(user)
if not res:
newPasswd = input("请输入新密码：")
try:
 user.passwd = newPasswd
except UsersException as e:
 print(e)
else:
 print("密码修改成功！")

def makeNewCard(users):
user = getUser(users)
if not user:
return -1
if user.card.status:
print("账户被锁定，请解锁后再使用其他功能")
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("补卡成功，请牢记您的银行卡号％s" ％ (id))

def checkUserPasswd(user):
n = 0
while n <= 3:
if n == 3:
 user.card.status = True
 print("输入超过3次，账户被锁定，请解锁后再使用其他功能")
 return -1
passwd = input("请输入您的账户密码：")
if passwd != user.passwd:
 print("密码输入错误，请重新输入")
 n += 1
else:
 return 0

def checkUserPasswdLock(user):
n = 0
while n <= 3:
if n == 3:
 print("输入超过3次，账户锁定失败！")
 return -1
passwd = input("请输入您的账户密码：")
if passwd != user.passwd:
 print("密码输入错误，请重新输入")
 n += 1
else:
 user.card.status = True
 print("账户锁定成功！")
 return 0

5、bankManage.py  主程序

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

"""
@version: python3.x
@author:曹新健
@contact: 617349013@qq.com
@software: PyCharm
@file: bankManage.py
@time: 2018/9/11 9:57
"""

'''
管理员类：
名称：Admin
属性：name、passwd
方法：显示管理员欢迎界面、显示功能界面
银行卡：
名称：Card
属性：id，balance
方法：生成卡号
取款机：
名称：ATM
属性：
方法：开户、查询、取款、转账、存款、改密、锁定、解锁、补卡、销户
用户：
名称：user
属性：姓名、身份号、电话号、银行卡
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("请选择你要办理的业务：")
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("艾玛，您的输入小编实在不能理解，重新输入吧")

if __name__ == "__main__":
run()

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来源：https://blog.csdn.net/caoxinjian423/article/details/83035144