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python银行系统实现源码

发布时间：2020-10-01 09:50:18 作者：书院二层楼
来源：脚本之家 阅读：225

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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