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()
更多学习资料请关注专题《管理系统开发》。
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