需求分析
day5 作业：ATM + 购物商城程序
作者：keven
博客地址：http://www.cnblogs.com/chenkeven/articles/8203383.html
http://www.cnblogs.com/chenkeven/articles/8159442.html
http://www.cnblogs.com/chenkeven/articles/8177087.html
http://www.cnblogs.com/chenkeven/articles/8177948.html
http://www.cnblogs.com/chenkeven/articles/8183543.html
使用说明：运行 login 登陆
后台管理：运行user_manager, 用户：admin 密码：admin
需求分析：
ATM：模拟实现一个ATM + 购物商城程序
额度 15000或自定义
1.实现购物商城，买东西加入 购物车，
2.调用信用卡接口结账
3.可以提现，手续费5%
4.支持多账户登录
5.支持账户间转账
6.记录每月日常消费流水
7.提供还款接口
8.ATM记录操作日志
9.提供管理接口，包括添加账户、用户额度，冻结账户等。。。
10.用户认证用装饰器
标红色没有实现。
流程图
login
import user_manager
import atm_main
import os,sys
ATM_dir=os.path.dirname(os.path.abspath(__file__))
sys.path.append(ATM_dir)
#
# print(ATM_dir)
# print(sys.path[-1])
#导入日志函数
from ATM_logging import ATM_logger
file_name=r"D:\51cto\day5 作业\ATM\ATM_logging\ATM_LOG"
logger=ATM_logger.login(file_name)
#读取用户信息，成字典
user_info_dict={}
with open("user_info","r",encoding="utf-8") as f:
for line in f:
line=line.strip().split(",")
user_info_dict[line[1]]=line[1:]
#print(user_info_dict)
#{'keven': ['keven', 'abc123', '20000', 'n'], 'zhangsan': ['zhangsan', '123abc', '20000', 'y'],}
def auth(user,passwd,user_info_dict):
'''
定 验证用户名，密码，账号是否锁定函数
'''
if user in user_info_dict.keys() and passwd == user_info_dict[user][1]:
if user_info_dict[user][3]== "y":
banlance=user_info_dict[user][2]
logger.info("用户【{}】，成功登陆".format(user))
res=(user,banlance)
else:
logger.info("用户【{}】，被锁定的账号尝试登陆")
res="账号被锁定，请联系管理员"
else:
logger.info("用户【{}】，密码错误".format(user))
res="用户名，密码错误"
return res
#用户验证三次
def authed():
i=0
while True:
if i<3:
print("欢迎登陆ATM购物商城".center(50, "*"))
user = input("pls input your name:")
passwd = input("pls input your password:")
res= auth(user,passwd,user_info_dict)
if res=="用户名，密码错误":
print(res)
i+=1
#logger.info("用户【{}】，密码错误{}次".format(user,i))
elif res=="账号被锁定，请联系管理员":
return res
else:
balance=res[1]
return user,balance
else:
res="输入错误3次，账号被锁定"
user_manager.locked_user(user)
logger.warning("用户【{}】，密码错误3次，被系统锁定")
return res
#用户入口
if __name__=='__main__':
res=authed()
if res=="账号被锁定，请联系管理员" or res =="输入错误3次，账号被锁定":
exit(res)
#print(1,res)
else:
user=res[0]
balance=res[1]
res=atm_main.main(user,balance)
print(res)
ATM_MAIN
import user_manager
import shopping
import os,sys
ATM_dir=os.path.dirname(os.path.abspath(__file__))
sys.path.append(ATM_dir)
#
# print(ATM_dir)
# print(sys.path[-1])
#导入日志函数
from ATM_logging import ATM_logger
file_name=r"D:\51cto\day5 作业\ATM\ATM_logging\ATM_LOG"
logger=ATM_logger.atm_main_log(file_name)
#定义取款函数
def withdraw(user,balance,auth="y"):
quxian=input("请输入取现金额：")
if quxian.isdigit():
quxian=float(quxian)
balance=float(balance)
if balance>= quxian*1.05:
balance=balance-quxian*1.05
res=user_manager.change_balance(user,str(balance),auth="y")
logger.info("用户【{}】，取现{}".format(user,balance))
else:
res="余额不足"
else:
res="输入错误，请重新输入"
return res
#定义转账函数 ，调用查询，修改余额函数
def transfer(user,banlance):
zhuan_u=input("请输入要转入的账号：")
zhuan_n=input("请输入要转账的金额：")
if zhuan_n.isdigit():
zhuan_n=float(zhuan_n)
banlance=float(banlance)
if banlance >= zhuan_n:
#调用查询余额函数，获取被转入账号余额，调用修改余额函数，修改被转入账号余额
zhuan_u_b=user_manager.select_user_status(zhuan_u)[1]
zhuan_u_b=float(zhuan_u_b)
zhuan_u_b+=zhuan_n
#print(zhuan_u_b)
#调用修改余额函数，给转入账号修改金额
banlance-=zhuan_n
res=user_manager.change_balance(user,banlance,auth="y")
if res=="更新成功":
res="转账成功"
logger.info("用户【{}】向用户【{}】转账{}".format(user,zhuan_u,zhuan_n))
else:
res="输入金额错误，请重新输入"
return res
#定义还款函数，调用修改 余额函数
def refund(user,balance):
refund_n = input("请输入还款金额")
if refund_n.isdigit():
#print(type(balance))
balance=float(balance)
balance+=float(refund_n)
#print(balance)
res=user_manager.change_balance(user,balance,auth="y")
logger.info("用户【{}】还款{}".format(user, balance))
else:
res="输入金额错误，请重新输入"
return res
#定义用户选择，转发处理
def main(user,balance):
logger.info("用户【{}】成功登陆".format(user))
while True:
function_dict = {
'1':withdraw,
'2':transfer,
'3':refund,
"4":shopping.shopping,
"5":user_manager.change_passwd
}
print("欢迎登陆ATM购物商城".center(50, "*"))
print('''
1.取现
2.转账
3.还款
4.购物商城
5.修改密码
6.退出
''')
user_choice=input("pls input your choice:" )
if user_choice == "6":
logger.info("用户【{}】，退出系统")
exit("谢谢光临ATM购物商城，再见")
elif user_choice in function_dict:
res=function_dict[user_choice](user,balance)
else:
res="选项错误，请重新输入"
print(res)
if __name__ == '__main__':
pass
shopping
import os,sys
ATM_dir=os.path.dirname(os.path.abspath(__file__))
sys.path.append(ATM_dir)
#
# print(ATM_dir)
# print(sys.path[-1])
#导入日志函数
from ATM_logging import ATM_logger
file_name=r"D:\51cto\day5 作业\ATM\ATM_logging\ATM_LOG"
logger=ATM_logger.shopping(file_name)
#购物商城函数
def shopping(user,balance):
logger.info("用户【{}】，登陆商城购物".format(user))
#获取商品清单，成列表
product_list=[]
with open("product_list","r",encoding="utf-8") as f:
for line in f:
line=line.strip().split(",")
product_list.append(line)
#print(product_list)
#banlance=15000
shopping_l=[]
#[['iphonex', '8888'], ['bike', '888'], ['pen', '120'], ['laptop', '6666'], ['car', '666666']]
while True:
print("欢迎光临购物商城".center(50,"*"))
for i,j in enumerate(product_list):
print(i,j)
u_choice=input("请输入你要购买商品的序号,或者按'q'退出买单：")
if u_choice.isdigit():
balance=float(balance)
product_price=float(product_list[int(u_choice)][1])
if balance >= product_price:
balance-=product_price
#print(balance)
shopping_l.append(product_list[int(u_choice)][0])
else:
res="余额不足"
return res
elif u_choice == "q":
#print(balance)
balance=str(balance)
for i in shopping_l:
print(i)
change_balance(user,balance)
print("谢谢惠顾")
logger.info("用户【{}】,购买商品{}".format(user,shopping_l))
break
#return user,banlance
else:
print("请输入正确的选项")
#修改余额
def change_balance(user,balance):
#print(user,balance)
with open("user_info", "r", encoding="utf-8") as f:
with open("new", "w", encoding="utf-8") as f1:
for line in f:
line=line.split(",")
if user in line:
line[3]=balance
print(balance)
line=",".join(line)
f1.write(line)
res="结账成功"
else:
line = ",".join(line)
f1.write(line)
f1.flush()
f1.close()
os.remove("user_info")
os.rename("new","user_info")
return res
# if __name__ == '__main__':
# user_info_dict = {}
# with open("user_info", "r", encoding="utf-8") as f:
# for line in f:
# line = line.strip().split(",")
# user_info_dict[line[1]] = line[1:]
# f.close()
#
# i=0
# while i < 3:
# user=input("pls input your username:")
# passwd=input("pls input your password:")
# if user in user_info_dict.keys() and passwd == user_info_dict[user][1]:
# print(user_info_dict[user][3])
# status=user_info_dict[user][3].strip()
# if status =="y":
# balance = float(user_info_dict[user][2])
# #print(balance)
# break
# elif status == "n":
# print("账号被锁定，请联系管理员")
# break
# else:
# print( "用户名密码错误，请重新输入：")
#
# res= shopping(user,balance)
# print(res)
user_manager
import os
import sys
ATM_dir=os.path.dirname(os.path.abspath(__file__))
sys.path.append(ATM_dir)
#
# print(ATM_dir)
# print(sys.path[-1])
from ATM_logging import ATM_logger
file_name=r"D:\51cto\day5 作业\ATM\ATM_logging\ATM_LOG"
logger=ATM_logger.user_manager_log(file_name)
def add_user():
user=input("pls input username:")
passwd=input("pls input password:")
balance=input("pls input balance:")
status="y"
#u_input=[]
max_id=0
title="id,user_name,passwd,balance,status"
if balance.isdigit():
with open("user_info","r",encoding="utf-8") as f:
for line in f:
f_dict=dict(zip(title.split(","), line.split(",")))
if user in f_dict.values():
res="用户名重复"
logger.warning("创建用户{}，用户已存在".format(user))
return res
else:
res = "输入的金额，错误请重新输入！"
return res
with open("user_info","a+",encoding="utf-8") as f:
f.seek(0)
for line in f:
f_dict=dict(zip(title.split(","),line.split(",")))
id=int(f_dict.get("id"))
max_id=id if max_id< id else max_id
new_id=str(max_id+1)
line="{},{},{},{},{}".format(new_id,user,passwd,balance,status)
f.write("\n{}".format(line))
f.flush()
logger.info("创建用户{}，成功".format(user))
res = "用户新增成功"
return res
def change_balance(user="",balance="",auth="n"):
if len(user) ==0:
user = input("pls input username such as:'lisi:")
balance= input("pls input banlace:")
user_info_dict = {}
with open("user_info", "r", encoding="utf-8") as f:
for line in f:
line = line.strip().split(",")
user_info_dict[line[1]] = line[1:]
if user not in user_info_dict.keys():
logger.warning("修改{}的余额，用户不存在".format(user))
res="账号不存在"
return res
else:
auth="y"
if auth=="y":
#print(user,balance)
try:
float(balance) or int(balance)
f_flag=True
except:
f_flag=False
#print(f_flag,)
if f_flag:
balance=str(balance)
with open("user_info","r",encoding="utf-8") as f:
with open("user_info_new", "w", encoding="utf-8") as f1:
for line in f:
line=line.split(",")
if user in line:
line[3]=balance
line=",".join(line)
f1.write(line)
else:
line = ",".join(line)
f1.write(line)
f1.flush()
os.remove("user_info")
os.rename("user_info_new","user_info")
logger.info("成功修改用户【{}】的金额为【{}】".format(user,balance))
res = "更新成功"
return res
else:
logger.critical("输入的金额{},不符合格式".format(balance))
res="输入金额错误，请重新输入"
return res
#res=2
# def select_user_banlace(user):
# if len(user) == 0:
# user=input("pls input user:")
# with open("user_info","r",encoding="utf-8") as f:
# for line in f:
# line=line.split(",")
# if user in line:
# banlance=line[3]
# return banlance
# f.close()
def change_passwd(user="",*args):
if len(user) ==0:
user = input("pls input username such as:'lisi:")
user_info_dict = {}
with open("user_info", "r", encoding="utf-8") as f:
for line in f:
line = line.strip().split(",")
user_info_dict[line[1]] = line[1:]
if user not in user_info_dict.keys():
logger.warning("修改{}的密码，用户不存在".format(user))
res="账号不存在"
return res
else:
auth="y"
else:
passwd = input("pls input new password:")
with open("user_info","r",encoding="utf-8") as f:
with open("user_info_new", "w", encoding="utf-8") as f1:
for line in f:
line=line.split(",")
if user in line:
line[2]=passwd
line=",".join(line)
f1.write(line)
else:
line = ",".join(line)
f1.write(line)
f1.flush()
os.remove("user_info")
os.rename("user_info_new","user_info")
logger.info("成功修改用户【{}】的密码".format(user))
res = "更新成功"
return res
def select_user_status(user=""):
if len(user) == 0:
user=input("pls input name:")
#打印账号状态
with open("user_info","r",encoding="utf-8") as f:
for line in f:
line=line.split(",")
#print(u_input,line)
if user in line:
res=(user,line[3],line[4].strip(),"y:账号活动，n:账号锁定")
logger.info("查询{}的状态".format(user))
return res
else:
logger.warning("查询{}的状态，用户不存在".format(user))
res="账号不存在"
f.close()
#res=3
return res
def locked_user(user="",status="n"):
if len(user) == 0:
user=input("pls input username:")
status=input("pls input status:,status such as:y (y:激活账号，n:锁定账号):")
l=[]
with open("user_info","r",encoding="utf-8") as f:
for line in f:
line=line.split(",")
#print(line)
l.extend(line)
#print(l)
if user not in l:
res="账号不存在"
return res
else:
with open("user_info","r",encoding="utf-8") as f:
with open("user_info_new","w",encoding="utf-8") as f1:
for line in f:
line=line.split(",")
#print(u_input,line)
if user in line:
line[4]=status
line=",".join(line)
f1.write("{}\n".format(line))
else:
line=",".join(line)
f1.write(line)
f1.flush()
os.remove("user_info")
os.rename("user_info_new", "user_info")
if status == "y":
logger.info("成功激活账号：【{}】".format(user))
res="账号已激活"
elif status == "n":
logger.info("成功锁定账号：【{}】".format(user))
res="账号已锁定"
return res
if __name__ == '__main__':
print("\033[01;42mwelcome user manager\033[0m".center(50, "*"))
user = input("pls input administrator account:")
passwd = input("pls input password:")
if user == "admin" and passwd == "admin":
logger.info("管理员:admin，成功登陆")
while True:
# user=input("pls input administrator account:")
# passwd=input("pls input password:")
function_dict={
'1':add_user,
'2':change_balance,
'3':locked_user,
'4':select_user_status,
"5":change_passwd
}
print('''
1.新增用户
2.修改余额
3.冻结\激活账号
4.查询账号
5.修改密码
6.退出系统
''')
user_choice=input("pls input your choice:")
if user_choice == "6":
logger.info("管理员:admin，退出系统")
exit("再见")
elif user_choice in function_dict:
res=function_dict[user_choice]()
else:
res="输入错误请重新输入"
print(res)
else:
exit("用户名密码错误")
logger
import logging
import os,sys
# ATM_dir=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
# sys.path.append(ATM_dir)
# # print(sys.path)
# # print(ATM_dir)
# print(os.path.abspath(__file__))
#定义后台管理收集日志函数
def user_manager_log(file_name):
logger = logging.getLogger("u_m_log")
logger.setLevel(logging.DEBUG)
fh=logging.FileHandler(file_name,encoding="utf-8")
fh.setLevel(logging.DEBUG)
fh_formatter = logging.Formatter("%(asctime)s %(levelname)s [%(module)s:%(lineno)d] %(message)s")
fh.setFormatter(fh_formatter)
logger.addHandler(fh)
return logger
def atm_main_log(file_name):
logger = logging.getLogger("A_M_LOG")
logger.setLevel(logging.DEBUG)
fh = logging.FileHandler(file_name, encoding="utf-8")
fh.setLevel(logging.DEBUG)
fh_formatter = logging.Formatter("%(asctime)s %(levelname)s [%(module)s:%(lineno)d] %(message)s")
fh.setFormatter(fh_formatter)
logger.addHandler(fh)
return logger
def shopping(file_name):
logger = logging.getLogger("shopping_log")
logger.setLevel(logging.DEBUG)
fh=logging.FileHandler(file_name,encoding="utf-8")
fh.setLevel(logging.DEBUG)
fh_formatter = logging.Formatter("%(asctime)s %(levelname)s [%(module)s:%(lineno)d] %(message)s")
fh.setFormatter(fh_formatter)
logger.addHandler(fh)
return logger
def login(file_name):
logger = logging.getLogger("login_log")
logger.setLevel(logging.DEBUG)
fh=logging.FileHandler(file_name,encoding="utf-8")
fh.setLevel(logging.DEBUG)
fh_formatter = logging.Formatter("%(asctime)s %(levelname)s [%(module)s:%(lineno)d] %(message)s")
fh.setFormatter(fh_formatter)
logger.addHandler(fh)
return logger
if __name__=='__main__':
file_name = r"D:\51cto\day5 作业\ATM\ATM_logging\user_manager_LOG"
logger=user_manager_log(file_name)
logger.info("牛逼")
logger.debug("debug")
logger.warning("warning")
logger.error("error")
logger.critical("critical")
user_info
1,keven,abc123,1111.0,y 2,zhangsan,abc123,11007.0,y 3,lisi,hah123,15000,y 4,haha,abc123,15000,n 5,hehe,hehe1,15000,y 6,h,h,19000,y
product_list
iphonex,8888 bike,888 pen,120 laptop,6666 car,666666