import os BASE_DIR = os.path.dirname(os.path.dirname(__file__)) #配置文件的上層目錄DB_DIR=os.path.join(BASE_DIR,'db')  #數據文件夾ADMIN=os.path.join(DB_DIR,'admin')ALL_USERS=os.path.join(DB_DIR,'allusrs')A=os.path.join(BASE_DIR,'db','s')LOG=os.path.join(BASE_DIR,'log')  TRANSACTION={ 'repay':{'action':'plus','interest':0}, #還款 'withdraw':{'action':'minus','interest':0.05},#取現 'transfer':{'action':'minus','interest':0.05},#轉賬 'consume':{'action':'minus','interest':0},#消費 'saving':{'action':'plus','interest':0} #存款} 

class buy: goods=[   {"name": "電腦", "price": 1999},   {"name": "鼠標", "price": 10},   {"name": "游艇", "price": 20},   {"name": "美女", "price": 998},  ]  def __init__(self,money,consumption,shopping_cart,):  self.money=money  self.consumption=consumption  self.shopping_cart=shopping_cart  def gouwu(self): #購物模塊  print('您的當前余額為：%d' %self.money)  num=int(input('請輸入商品序號：'))  num-=1  if self.goods[num]["name"] in self.shopping_cart.keys():    #goods[num]["name"]取商品名   self.shopping_cart[self.goods[num]["name"]]['n']+=1     #商品數量+1  else:   self.shopping_cart[self.goods[num]["name"]]={"price":self.goods[num]["price"],'n':1,} # 創建購物車字典 {keys{"price"：價格,數量：1}}  self.money-=self.shopping_cart[self.goods[num]["name"]]["price"]*self.shopping_cart[self.goods[num]["name"]]['n']  #單價*數量  self.consumption+=self.shopping_cart[self.goods[num]["name"]]["price"]*self.shopping_cart[self.goods[num]["name"]]['n']  def yichu(self): #移除購物車模塊  c=int(input(' 請輸入0/1選擇是否移除購物車商品, 移除請輸入1:'))  if c==1:   e=int(input(' 請輸入要移除的商品序號:'))   d=self.goods[e-1]   if d in self.shopping_cart.keys():    #判斷要移除的商品是否在購物車內    self.shopping_cart.remove(d)   #移除商品    self.money=self.money+self.goods[self.goods.index(d)]["price"]    #余額增加    self.consumption=self.consumption-self.goods[self.goods.index(d)]["price"] #消費總額減少   else:    print('商品不存在') def chongzhi(self): #充值模塊  pay=int(input('請輸入充值金額'))  self.money=self.money+pay  print('您的當前余額為：%d' % self.money) #顯示當前余額  def main(self):  print('商品清單：')  for m,n in enumerate(self.goods,1):   print(m)   for v in n.values():    print(v)   print('=============')  #消費總額清零  self.consumption=0  buy=True #定義默認一直購物  while buy:   price=0 #定義初始價格   b=1 #定義默認不退出購物或充值狀態   if self.money>=price:   #消費模塊；金錢大于貨物價格時，才能開始購物    while self.money>=price:  #計價模塊，有錢就可以一直購物     self.gouwu()  #移除購物車商品模塊     self.yichu()     if self.money>=0:      print('您的當前余額為：%d' %self.money)   #顯示當前余額      b=int(input(' 請輸入0/1選擇是否繼續購物, 購物請輸入1:'))      if b==0:  #       break #退出計價模塊    if b==0:   #如果不購物     break   #不購物退出整個購物程序  #充值模塊   else:    while self.money<price:   #金錢不足，可多次充錢，直到能買得起貨物     a=int(input(' 您的余額不足，請輸入0/1選擇是否充值，充值請輸入1:'))     if a==1:      self.chongzhi()     else:      break   #退出充值模塊     if a==0:      break   #不充值退出程序  #打印購物車商品名、商品價格、消費總額、余額  print('您的消費清單為：')  for m,n in self.shopping_cart.items():   print(m,n['price'],n['n'])     #打印消費清單   print('=============')  print('您的當前余額為：%d,您的消費總額為：%d' % (self.money,self.consumption) )   #打印消費總額  return self.consumption

class Atm: credit=15000 #信用卡額度 def __init__(self,balance,debt,remaining_debt,interest,saving,id):  self.id=id    #信用卡id  self.balance=balance  #信用卡可用金額  self.debt=debt   #總欠款  self.remaining_debt=remaining_debt #剩余欠款  self.interest=interest  #手續費  self.saving=saving  #存款  self.now_time=time.strftime("%Y-%m-%d %H:%M:%S")  self.now_data=time.strftime("%Y-%m")  self.struct_time=time.gmtime(time.time())  if self.struct_time.tm_mday>22:   self.now_data=self.struct_time.tm_year+'-'+str(int(self.struct_time.tm_mon)+1)  def account_info(self):#打印賬戶信息  return '賬戶id%s 信用卡額度%s;信用卡可用金額%s;剩余欠款%s;'%(self.id,self.credit,self.balance,self.remaining_debt,) def ret_account_info(self):  return [self.id,self.credit,self.balance,self.debt,self.remaining_debt,self.interest] def repay(self,amount):#還款  self.handel_money('repay',amount) def withdraw(self,amount): #取現  self.handel_money('withdraw',amount) def transfer(self,amount): #轉賬  self.handel_money('transfer',amount) def consume(self,amount): #消費  self.handel_money('consume',amount) def saves(self,amount):  self.handel_money('saving',amount) def transaction(self,a,amount):  dic={   '1':self.repay,   '2':self.withdraw,   '3':self.transfer,   '4':self.consume,   '5':self.saves  }  print("debug: a:",type(a),"amount:",type(amount))   print(a)  print(dic[a])  print(dic["5"])  dic[a](amount)  print("end debug")  def handel_money(self,transaction,amount): #交易類型，  amount=int(amount)  interest=amount*settings.TRANSACTION[transaction]['interest'] #手續費計算  if settings.TRANSACTION[transaction]['action']=='plus':    if amount<=self.remaining_debt:    self.remaining_debt-=amount    self.balance+=amount   else:    self.balance+=self.remaining_debt    self.remaining_debt=0    self.saving+=amount-self.remaining_debt  else:    if self.saving<amount:    self.saving=0    a=amount-self.saving    self.balance-=a+interest-self.saving    # self.debt+=amount+interest    self.remaining_debt+=a+interest  a='time:%s id:%s transaction: %s amount:%s interest %s /n'%(self.now_time,self.id,transaction,amount,interest)  print(a)  mulu=os.path.join(settings.ALL_USERS,self.id)  path_name_liushui=os.path.join(mulu,str(self.id)+'name_liushui',str(self.now_data))   with open(path_name_liushui,'a')as f:   #記錄流水信息   f.write(a)   s=[self.balance,self.debt,self.remaining_debt,self.interest,self.saving,]  #更新基本信息  path_name_base=os.path.join(mulu,str(self.id)+'name_base')  pickle.dump(s,open(path_name_base,'wb'))

#!/usr/bin/env python# -*- coding: utf-8 -*- import sys,osimport hashlibimport pickleimport timeimport socketserversys.path.append(os.path.dirname(os.path.dirname(__file__)))from config import settingsfrom lib import modulesfrom lib.modules import * class Myserver(socketserver.BaseRequestHandler):  def md5(self,pwd):  '''  對密碼進行加密  :param pwd: 密碼  :return:  '''  hash=hashlib.md5(bytes('xx7',encoding='utf-8'))  hash.update(bytes(pwd,encoding='utf-8'))  return hash.hexdigest()   def login(self,usrname,pwd,x):  '''  登陸  :param usrname: 用戶名  :param pwd: 密碼  :return:是否登陸成功  '''  conn=self.request  if x=='1':   path_name_pwd=os.path.join(settings.ADMIN,usrname)  else:   mulu=os.path.join(settings.ALL_USERS,usrname)   path_name_pwd=os.path.join(mulu,usrname+'name_pwd')  s=pickle.load(open(path_name_pwd,'rb'))  if usrname in s:    if s[usrname]==self.md5(pwd):  #和加密后的密碼進行比較    return True    else:    return False  else:   return False   def regist(self,usrname,pwd,x):  '''  注冊  :param usrname: 用戶名  :param pwd: 密碼  :return:是否注冊成功  '''   conn=self.request  if x=='1':   mulu=os.path.join(settings.ADMIN,usrname)  else:   mulu=os.path.join(settings.ALL_USERS,usrname)    if os.path.exists(mulu):    return False  else:   os.mkdir(mulu)   s={}   s[usrname]=self.md5(pwd)   path_name_pwd=os.path.join(mulu,usrname+'name_pwd')   pickle.dump(s,open(path_name_pwd,'wb'))   path_name_base=os.path.join(mulu,usrname+'name_base')   pickle.dump([15000,{},0,0,0],open(path_name_base,'wb'))   path_name_liushui=os.path.join(mulu,usrname+'name_liushui')   os.mkdir(path_name_liushui)   return True  def user_identity_authentication(self,usrname,pwd,ret,x):  '''  判斷注冊和登陸，并展示用戶的詳細目錄信息，支持cd和ls命令  :return:  '''  conn=self.request  if ret=='1':   r=self.login(usrname,pwd,x)   if r:    conn.sendall(bytes('y',encoding='utf-8'))   else:    conn.sendall(bytes('n',encoding='utf-8'))  elif ret=='2':   # print(usrname,pwd)   if x=='1':    r=self.regist(usrname,pwd,x)   else: #用戶注冊    s=[0,1]    pickle.dump(s,open(settings.A,'wb'))    while True:     ret=pickle.load(open(settings.A,'rb'))     if ret[0]==0:      time.sleep(30)      continue     elif ret[0]==1 or ret[0]==2:      break #默認值已更改，銀行管理員已操作     if ret[0]==1: #如果管理員同意     r=self.regist(usrname,pwd,x)    else:     r=0    s=[0,0]    pickle.dump(s,open(settings.A,'wb'))   if r:    conn.sendall(bytes('y',encoding='utf-8'))   else:    conn.sendall(bytes('n',encoding='utf-8')) def interactive(self,usrname): #進行交互  conn=self.request  while True:   c=conn.recv(1024) #接收用戶交互選項   r=str(c,encoding='utf-8')   mulu=os.path.join(settings.ALL_USERS,usrname)   path_name_base=os.path.join(mulu,usrname+'name_base')   s=pickle.load(open(path_name_base,'rb'))    #打印賬戶信息   obj=modules.Atm(s[0],s[1],s[2],s[3],s[4],usrname) #Atm對象   a=obj.account_info() #接收賬戶信息   conn.sendall(bytes(a,encoding='utf-8'))    b=obj.ret_account_info()      if r== '4':    buy_obj=modules.buy(b[2],0,{})    amount=buy_obj.main()   elif r=='q':    break   else:    s=conn.recv(1024)    amount=str(s,encoding='utf-8')    obj.transaction(r,amount)    pass   def handle(self):  conn=self.request  x=conn.recv(1024)  x=str(x,encoding='utf-8')  conn.sendall(bytes('收到用戶類別',encoding='utf-8'))  while True:   if x=='1' or x=='2':    b=conn.recv(1024)    ret=str(b,encoding='utf-8')    conn.sendall(bytes('b ok',encoding='utf-8'))    c=conn.recv(1024)    r=str(c,encoding='utf-8')    usrname,pwd=r.split(',')    print(usrname,pwd)    self.user_identity_authentication(usrname,pwd,ret,x) #登陸或注冊驗證    if x=='2':#普通用戶身份驗證成功后     self.interactive(usrname)      pass     break   elif x=='q':    break if __name__=='__main__': sever=socketserver.ThreadingTCPServer(('127.0.0.1',9999),Myserver) sever.serve_forever()

#!/usr/bin/env python# -*- coding: utf-8 -*-'''本程序作為用戶或銀行管理員的入口，其中c=1代表銀行管理員，c=2代表普通用戶'''import pickleimport sysimport timeimport osimport socketsys.path.append(os.path.dirname(os.path.dirname(__file__)))from config import settingsfrom lib import *from lib.modules import * def login(usrname,pwd): ''' 登陸 :param usrname:用戶名 :param pwd:密碼 :return:是否登陸成功 ''' obj.sendall(bytes(usrname+','+pwd,encoding='utf-8')) ret=obj.recv(1024) r=str(ret,encoding='utf-8') if r=='y':  return 1 else:  return 0 def regist(usrname,pwd,x): ''' 注冊 :param usrname:用戶名 :param pwd:密碼 :return:是否注冊成功 ''' obj.sendall(bytes(usrname+','+pwd,encoding='utf-8'))  ret=obj.recv(1024) r=str(ret,encoding='utf-8') if r=='y':  return 1 else:  return 0def user_identity_authentication(usrname,pwd,x): ''' 選擇登陸或注冊，展示用戶的詳細目錄信息，支持cd和ls命令 :return: ''' a=input('請選擇1.登陸 2.注冊') obj.sendall(bytes(a,encoding='utf-8')) obj.recv(1024) if a=='1':  ret=login(usrname,pwd)  if ret:   print('登陸成功')   return 1  else:   print('用戶名或密碼錯誤')   return 0 elif a=='2':  ret=regist(usrname,pwd,x)  if ret:   print('注冊成功')   return 1  else:   print('用戶名已存在或銀行管理員拒絕')   return 0def main(x): usrname=input('請輸入用戶名') pwd=input('請輸入密碼') if user_identity_authentication(usrname,pwd,x): #如果驗證身份成功  if x=='1': #處理用戶注冊信息    while True:    s=pickle.load(open(settings.A,'rb'))    if s[1]==0:     time.sleep(30)     continue    elif s[1]==1:     while True:      a=input('用戶請求注冊，輸入1同意，2拒絕')      if a=='1':       s=[1,0]       pickle.dump(s,open(settings.A,'wb'))       break      elif a=='2':       s=[2,0]       pickle.dump(s,open(settings.A,'wb'))       break      else:       print('輸入有誤')     break  else: #普通用戶登陸后   interactive() #進行交互  def interactive(): while True:  a=input('請選擇 1.還款 2.取現 3.轉賬 4.消費 5.存錢 q退出')  obj.sendall(bytes(a,encoding='utf-8'))  r=obj.recv(1024) #接收賬戶信息  ret=str(r,encoding='utf-8')  print(ret)  if a !='4'and a !='q':   b=input('請輸入金額')   obj.sendall(bytes(b,encoding='utf-8'))  elif a=='q':   break   obj=socket.socket() #創建客戶端socket對象obj.connect(('127.0.0.1',9999))while True: x=input('請選擇1.銀行管理員 2.用戶 q、退出') obj.sendall(bytes(x,encoding='utf-8')) obj.recv(1024) #確認收到用戶類別 if x=='1' or x=='2':  main(x)  break elif x=='q':  break else:  print('輸入有誤請重新輸入') obj.close()

#!/usr/bin/env python# -*- coding:utf-8 -*-import os,sysimport json,pickleimport timesys.path.append(os.path.dirname(os.path.dirname(__file__)))from config import settings   def main(): card_list = os.listdir(settings.ALL_USERS) for card in card_list:  basic_info = pickle.load(open(os.path.join(settings.ALL_USERS, card, card+'name_base')))  struct_time = time.localtime()   # 循環賬單列表，為每月的欠款計息。并寫入到當月賬單中  for item in basic_info['debt']:   interest = item['total_debt'] * 0.0005   if basic_info[4] >= interest:    basic_info[4] -= interest   else:    temp = interest - basic_info[4]    basic_info[4]=0    basic_info[0] -= temp    pickle.dump(      basic_info,      open(os.path.join(settings.ALL_USERS, card, card+'name_base'),'w')    )   # 如果當前等于10號(9號之前)  # 當前余額為負值，則將值添加到賬單列表中，開始計息，同時，本月可用額度恢復。  date = time.strftime("%Y-%m-%d")  if struct_time.tm_mday == 11 and basic_info[2]>0:   dic = {'date': date,     "total_debt": basic_info[2],     "balance_debt": basic_info[2],     }   basic_info[1].append(dic)   # 恢復可用額度   basic_info[0] = 15000  pickle.dump(   basic_info,   open(os.path.join(settings.ALL_USERS, card, card+'name_base'),'w')    )  def run(): main()