环境：python2.7
可以进一步完善
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# -*- coding: utf-8 -*-
print
u
"+========================================+"
print
u
"+=============2017年7月20日==============+"
print
u
"+==============作者：天道酬勤============+"
print
u
"+========================================+"
user_name
=
"C:\Users\95112\Desktop\ATM\username"
#定义用户名和密码的位置
goods
=
"C:\Users\95112\Desktop\ATM\goods"
#定义商品列表的的位置
salary
=
0
#登录
def
login():
global
a
global
salary
username
=
[]
password
=
[]
money
=
[]
f
=
file
(user_name)
for
line
in
f.readlines():
new_line
=
line.split()
username.append(
int
(new_line[
0
]))
password.append(
int
(new_line[
1
]))
money.append(
int
(new_line[
2
]))
UserName
=
int
(
raw_input
(
"please input your username:"
))
if
UserName
in
username:
PassWord
=
int
(
raw_input
(
"please input your password:"
))
username_passwd
=
password[username.index(UserName)]
#取出username相对应的密码
salary
=
money[username.index(UserName)]
#取出账户中相对应的钱
if
PassWord
=
=
username_passwd:
a
=
1
#登录成功的标志
print
"Login successful"
print
"You still have %s of the balance"
%
money
else
:
a
=
0
print
"password error"
else
:
a
=
0
print
"your username error"
return
a
return
salary
#购物
def
shopping():
global
salary
products
=
[]
price
=
[]
shop_list
=
[]
f
=
file
(goods)
for
line
in
f.readlines():
new_line
=
line.split()
products.append(new_line[
0
])
price.append(
int
(new_line[
1
]))
while
1
:
print
u
'请从以下商品中挑选一个或者几个购买：'
print
products
for
i
in
range
(
0
,
len
(products)):
if
(salary>
=
price[i]):
print
products[i],price[i]
print
"+---------------------------------+"
print
u
"输入exit可以退出购买"
choice
=
raw_input
(
"please choice a shop to buy:"
)
F_choice
=
choice.strip()
#去除空格，格式化输出。
#退出循环
if
F_choice
=
=
"exit"
:
break
if
F_choice
in
products:
product_price
=
price[products.index(F_choice)]
#取出产品价格
print
"+---------------------------------+"
print
u
"你要购买的商品以及价格："
,F_choice,product_price
print
u
"商品正在加入购物列表，请稍等"
if
salary > product_price:
shop_list.append(F_choice)
salary
=
salary
-
product_price
print
"+---------------------------------+"
print
u
"你已经成功购买了%s"
%
F_choice
print
u
"你的余额还有："
, salary
print
u
"你已经购买的商品有："
, shop_list
print
"+---------------------------------+"
else
:
pass
else
:
print
u
"你输入的商品不在商品列表里，请重新输入！"
return
salary
#转账或者提现
def
Transfer_accounts():
global
salary
print
u
"每次转账和提现收取百分之5的服务费."
inputs
=
int
(
raw_input
(
"please input you should how much money:"
))
SS
=
inputs
*
0.05
zong
=
inputs
+
SS
if
( salary < zong
or
salary < inputs):
print
u
"余额不足"
else
:
salary
=
salary
-
zong
print
"+------------------------------+"
print
u
"成功转账%s"
%
inputs
print
u
"扣除手续费%s"
%
SS
print
"+------------------------------+"
return
salary
#查询余额
def
check_the_balance():
global
salary
print
"+---------------------------+"
print
u
"你的金额还有%s"
%
salary
print
"+---------------------------+"
#菜单
def
menu():
print
u
"""Welcome to use ATM automatic teller machine
If the machine failure please contact ATM\t """
while
True
:
print
u
"\t(1) 购物"
print
u
"\t(2) 转账"
print
u
"\t(3) 查询余额"
print
u
"\t(4) 退出"
choices
=
raw_input
(
"Please choices:"
).strip()
if
len
(choices)
=
=
0
:
continue
if
choices
=
=
'1'
:
shopping()
elif
choices
=
=
'2'
:
Transfer_accounts()
elif
choices
=
=
'3'
:
check_the_balance()
else
:
print
"Please pay attention to the property security"
exit()
if
__name__
=
=
'__main__'
:
login()
if
a
=
=
1
:
menu()
else
:
pass
|
运行结果：
本文转自 天道酬勤VIP 51CTO博客，原文链接:http://blog.51cto.com/tdcqvip/1949266
