包含启动程序start.py和atm.py模块
用户数据通过字典序列化存入userdata.pkl
用户操作记录文件userid.record（为每个用户保存一个记录文件）
商品价格文件goods_list
功能包含：取现 存钱 转账 购物 打印清单
其他说明：没有包含管理端程序（用于添加用户账号，商品上下架），密码验证用户可以自己开发。
start.py如下：
#!/usr/bin/python
# -*- coding: utf-8 -*-
import sys
import getpass
import pickle
from atm import *
#获取用户数据
f1=file(‘userdata.pkl‘,‘rb‘)
userinfo=pickle.load(f1)
f1.close()
#主程序
while True:
userid = str(raw_input("\033[1;32;40myour id:\033[0m"))
if userinfo.has_key(userid):
while True:
password = int(getpass.getpass(‘\033[1;32;40mEnter password:\033[0m‘))
if password != userinfo[userid][‘passwd‘]:
print "\033[1;32;40mThe password is incorrect\033[0m"
continue
else:
print "\033[1;31;40mwenlcome %s.\033[0m" % userinfo[userid][‘name‘]
show_menu()
while True:
input=int(raw_input(‘请选择：‘))
if input == 1:
money = int(userinfo[userid][‘youhave‘])
show_balance(money)
elif input == 2:
withdraw(userid,**userinfo)
elif input == 3:
save_money(userid,**userinfo)
elif input == 4:
transfer(userid,**userinfo)
elif input == 5:
shopping(userid,**userinfo)
elif input == 6:
history_list(userid)
elif input == 7:
sys.exit(0)
else : print ‘输入错误‘
else:
print "\033[1;31;40mThe userid is not vaild, please re-input:\033[0m"
continue
atm.py如下：
#!/usr/bin/python
# -*- coding: utf-8 -*-
import sys
import pickle
import re
import time
import datetime
#打印菜单
def show_menu():
print ‘1:Balance inquiry‘
print ‘2:withdraw money‘
print ‘3:save money‘
print ‘4:transfer‘
print ‘5:shopping‘
print ‘6:history list‘
print ‘7:退出‘
#显示余额
def show_balance(money):
print ‘账户余额:%d‘ % money
#取现
def withdraw(uid,**uinfo):
draw=int(raw_input(‘请输入取现金额：‘))
draw_str=‘-%d‘ % draw
if uinfo[uid][‘youhave‘] < draw:
print ‘余额不足‘
else:
uinfo[uid][‘youhave‘] -= draw
rest=uinfo[uid][‘youhave‘]
with file(‘userdata.pkl‘,‘wb‘) as f1:
pickle.dump(uinfo,f1)
write_oper(uid,‘withdraw‘,draw_str,rest)
#存钱
def save_money(uid,**uinfo):
save = int(raw_input(‘请输入存款金额：‘))
save_str=‘+%d‘ % save
uinfo[uid][‘youhave‘] += save
rest=uinfo[uid][‘youhave‘]
write_oper(uid,‘savemoney‘,save_str,rest)
#转账
def transfer(uid,**uinfo):
tran_id = raw_input(‘请输入行内账号：‘)
if uinfo.has_key(tran_id):
tran_money = int(raw_input(‘请输入转账金额：‘))
uinfo[uid][‘youhave‘] -= tran_money
uinfo[tran_id][‘youhave‘] += tran_money
tran_money_str=‘-%d‘ % tran_money
rest=uinfo[uid][‘youhave‘]
write_oper(uid,‘transfer‘,tran_money_str,rest)
#记录操作
def write_oper(uid,o1,m1,r1):
t1=time.strftime(‘%Y%m%d %H:%M:%S‘,time.localtime(time.time()))
with file(‘%s.record‘ % uid,‘a‘) as f1:
f1.write(‘%s %s %s therest:%d\n‘ % (t1,o1,m1,r1))
#购物
def shopping(uid,**uinfo):
"atm.py" 118L, 3853C 48,7 顶端
#购物
def shopping(uid,**uinfo):
goods_dict={}
goods = file(‘goods_list‘,‘r+‘)
print ‘商品名称 价格‘
#打印可购买商品清单
for line in goods.readlines():
print line,
key = line.split()[0]
value = int(line.split()[1])
goods_dict[key] = value
#购物车购物
ok=‘yes‘
sh_total=0
while ok==‘yes‘:
sh_cart=[]
sh_choose=raw_input(‘选择商品：‘)
if goods_dict.has_key(sh_choose):
sh_cart.append(sh_choose)
sh_total+=goods_dict[sh_choose]
ok = raw_input(‘是否继续 yes/no?:‘)
else :print "无此商品，请重新输入"
print ‘您选择商品:%s 总计:%d‘ % (sh_cart,sh_total)
if uinfo[uid][‘youhave‘] < sh_total:
print ‘余额不足‘
else:
uinfo[uid][‘youhave‘] -= sh_total
with file(‘userdata.pkl‘,‘wb‘) as f1:
pickle.dump(uinfo,f1)
sh_total_str=‘-%d‘ % sh_total
rest=uinfo[uid][‘youhave‘]
write_oper(uid,‘shopping‘,sh_total_str,rest)
goods.close()
#查询历史清单
def seach_list(uid,start_date,end_date):
f1=file(‘%s.record‘ % uid)
for line in f1.readlines():
cu_date=int(line.split()[0])
if cu_date<=end_date and cu_date>=start_date:
print line,
#查询历史清单主函数
def history_list(uid):
print ‘1:查询最近一个月‘
print ‘2:查询最近3个月‘
print ‘3:选择时间‘
input=int(raw_input(‘请选择查询时间:‘))
sys_time=int(time.strftime(‘%Y%m%d‘,time.localtime(time.time())))
now_time=datetime.datetime.now()
thr_mon_ago_time=now_time-datetime.timedelta(days=90)
one_mon_ago_time=now_time-datetime.timedelta(days=30)
one_mon_ago=int(one_mon_ago_time.strftime(‘%Y%m%d‘))
thr_mon_ago=int(thr_mon_ago_time.strftime(‘%Y%m%d‘))
if input == 1:
seach_list(uid,one_mon_ago,sys_time)
elif input == 2:
seach_list(uid,thr_mon_ago,sys_time)
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elif input == 2:
seach_list(uid,thr_mon_ago,sys_time)
elif input == 3:
start_d=int(raw_input(‘输入开始日期（格式：20150301）:‘))
end_d=int(raw_input(‘输入结束日期（格式：20150301）:‘))
seach_list(uid,start_d,end_d)
else:
print ‘input error‘
用户数据通过字典序列化存入userdata.pkl
userinfo={‘10001‘:{‘passwd‘:123456,‘name‘:‘li‘,‘youhave‘:10000},
‘10002‘:{‘passwd‘:234567,‘name‘:‘skipper‘,‘youhave‘:20000}}
用户操作记录文件10001.record
20150401 18:03:46 withdraw -221 therest:6034
20150401 18:07:39 savemoney +1001 therest:7035
20150401 18:18:09 transfer -123 therest:5911
20150401 18:18:27 shopping -199 therest:5712
商品价格文件goods_list
Car 250000
Clothes 399
Shoes 199
Iphone5s 4999
Coffee 35
Foods 68
Bicycle 1688
参考信息：http://www.linuxidc.com/Linux/2014-09/107274.htm
本文出自 “我博故我在” 博客，请务必保留此出处http://encoding.blog.51cto.com/1403836/1627430
原文地址：http://encoding.blog.51cto.com/1403836/1627430
