流程图：
需求：
ATM：模拟实现一个ATM + 购物商城程序额度 15000或自定义实现购物商城，买东西加入 购物车，调用信用卡接口结账可以提现，手续费5%支持多账户登录支持账户间转账记录每月日常消费流水提供还款接口ATM记录操作日志提供管理接口，包括添加账户、用户额度，冻结账户等。。。用户认证用装饰器 程序目录结构
../module2-ATM ├── ATM流程图.png #流畅图 ├── bin #atm执行程序目录 │ ├── ATM_start.py │ └── __init__.py ├── db #数据库目录 │ ├── __init__.py │ ├── shopping_car #购物车文件 │ ├── shopping_data #信用卡信息文件 │ └── user_data #管理后台用户密码 ├── __init__.py ├── log #日志目录 │ ├── __init__.py │ └── record.log ├── main #主要目录，相关模块功能都在这里 │ ├── admin.py #管理后台模块 │ ├── core.py #调用各个模块的主模块 │ ├── credictcard.py #信用卡模块 │ ├── __init__.py │ ├── log.py #日志模块 │ └── shopping_mall.py #商城模块 └── README
程序目录结构
bin目录
atm_start.py执行程序
#coding:utf-8
#Author:支文伟
'''执行ATM程序'''
import os,sys
core_path = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) + '/main'
sys.path.append(core_path) #把该路径加到环境变量
from core import *
if __name__ == '__main__':
core()
ATM_start.py
db目录
{": {"credictcard": 66668888, "password": 123456, "totalbill": 0, "locked": "False", "deflimit": 15000, "personinfo": "alex", "limitcash": 7500, "limit": 15000}}
credictcard_data
[["]]
shopping_car
oppoR9s 2500 ipad 5000 book 350 bike 1999 clothes 1600 shoes 998
shopping_data
{"}
user_data
log目录
2017-09-02 22:17:56,156 --- 购物---oppoR9s---价格---2500 2017-09-02 22:17:59,843 --- 购物---ipad---价格---5000 2017-09-02 22:19:27,083 --- 购物---oppoR9s---价格---2500 2017-09-02 22:19:27,667 --- 购物---ipad---价格---5000 2017-09-02 22:20:41,450 --- 购物---oppoR9s---价格---2500 2017-09-02 22:20:42,227 --- 购物---ipad---价格---5000 2017-09-02 22:21:03,874 --- 购物---oppoR9s---价格---2500 2017-09-02 22:21:04,307 --- 购物---ipad---价格---5000 2017-09-02 22:21:15,297 --- 购物---oppoR9s---价格---2500 2017-09-02 22:21:15,707 --- 购物---ipad---价格---5000 2017-09-02 22:21:43,529 --- 购物---oppoR9s---价格---2500 2017-09-02 22:21:43,778 --- 购物---ipad---价格---5000 2017-09-02 22:21:44,138 --- 购物---oppoR9s---价格---2500 2017-09-02 22:23:12,962 --- 购物---oppoR9s---价格---2500 2017-09-02 22:23:40,754 --- 购物---oppoR9s---价格---2500 2017-09-02 22:24:31,233 --- 购物---oppoR9s---价格---2500 2017-09-02 22:24:52,283 --- 购物---oppoR9s---价格---2500 2017-09-02 22:36:49,801 --- 购物---oppoR9s---价格---2500 2017-09-02 22:36:50,240 --- 购物---ipad---价格---5000 2017-09-02 22:37:14,768 --- 购物---oppoR9s---价格---2500 2017-09-02 22:37:15,385 --- 购物---ipad---价格---5000 2017-09-02 22:38:20,097 --- 购物---oppoR9s---价格---2500 2017-09-02 22:38:20,586 --- 购物---ipad---价格---5000 2017-09-02 22:39:09,520 --- 购物---oppoR9s---价格---2500 2017-09-02 22:39:09,841 --- 购物---ipad---价格---5000 2017-09-02 22:39:10,584 --- 购物---oppoR9s---价格---2500 2017-09-02 22:39:45,185 --- 购物---oppoR9s---价格---2500 2017-09-02 22:39:46,233 --- 购物---ipad---价格---5000 2017-09-02 22:39:59,344 --- 购物---bike---价格---1999 2017-09-02 22:40:16,728 --- 购物---oppoR9s---价格---2500 2017-09-02 22:41:28,536 --- 购物---oppoR9s---价格---2500 2017-09-02 22:44:09,529 --- 购物---oppoR9s---价格---2500 2017-09-02 22:44:10,210 --- 购物---ipad---价格---5000 2017-09-02 22:45:01,121 --- 购物---oppoR9s---价格---2500 2017-09-02 22:45:41,448 --- 购物---oppoR9s---价格---2500 2017-09-02 22:50:57,263 --- 购物---oppoR9s---价格---2500 2017-09-02 22:51:27,760 --- 购物---oppoR9s---价格---2500 2017-09-02 22:54:17,922 --- 购物---oppoR9s---价格---2500 2017-09-02 22:54:54,464 --- 购物---oppoR9s---价格---2500 2017-09-02 22:54:55,879 --- 购物---ipad---价格---5000 2017-09-02 22:54:57,209 --- 购物---book---价格---350 2017-09-02 22:55:36,530 --- 购物---shoes---价格---998 2017-09-02 22:55:37,552 --- 购物---book---价格---350 2017-09-02 22:55:38,208 --- 购物---bike---价格---1999 2017-09-02 22:55:38,680 --- 购物---oppoR9s---价格---2500 2017-09-06 14:37:00,639 --- 购物---oppoR9s---价格---2500 2017-09-06 14:37:01,162 --- 购物---book---价格---350 2017-09-06 14:37:01,570 --- 购物---clothes---价格---1600 2017-09-07 10:16:24,277 --- 12345678--信用卡商城结账--4450 2017-09-07 10:18:59,989 --- 12345678--信用卡商城结账--4450¥ 2017-09-10 15:00:49,031 --- 购物---oppoR9s---价格---2500 2017-09-10 15:00:49,031 --- 购物---oppoR9s---价格---2500 2017-09-10 15:00:50,222 --- 购物---ipad---价格---5000 2017-09-10 15:00:50,222 --- 购物---ipad---价格---5000 2017-09-10 15:04:51,710 --- 购物---ipad---价格---5000 2017-09-10 15:04:51,710 --- 购物---ipad---价格---5000 2017-09-10 15:04:53,343 --- 购物---oppoR9s---价格---2500 2017-09-10 15:04:53,343 --- 购物---oppoR9s---价格---2500 2017-09-10 15:05:53,751 --- 购物---ipad---价格---5000 2017-09-10 15:05:53,751 --- 购物---ipad---价格---5000 2017-09-10 15:05:54,527 --- 购物---book---价格---350 2017-09-10 15:05:54,527 --- 购物---book---价格---350 2017-09-10 15:06:27,303 --- 购物---book---价格---350 2017-09-10 15:06:27,303 --- 购物---book---价格---350 2017-09-11 10:16:57,211 --- 购物---oppoR9s---价格---2500 2017-09-11 10:16:57,211 --- 购物---oppoR9s---价格---2500 2017-09-11 10:16:57,930 --- 购物---ipad---价格---5000 2017-09-11 10:16:57,930 --- 购物---ipad---价格---5000 2017-09-11 10:17:28,513 --- 购物---oppoR9s---价格---2500 2017-09-11 10:17:28,513 --- 购物---oppoR9s---价格---2500 2017-09-11 10:17:32,387 --- 购物---oppoR9s---价格---2500 2017-09-11 10:17:32,387 --- 购物---oppoR9s---价格---2500 2017-09-11 10:17:34,916 --- 购物---book---价格---350 2017-09-11 10:17:34,916 --- 购物---book---价格---350 2017-09-11 10:44:51,037 --- 购物---oppoR9s---价格---2500 2017-09-11 10:44:51,037 --- 购物---oppoR9s---价格---2500 2017-09-11 10:44:52,299 --- 购物---ipad---价格---5000 2017-09-11 10:44:52,299 --- 购物---ipad---价格---5000 2017-09-11 11:55:00,038 --- 购物---shoes---价格---998 2017-09-11 11:55:00,038 --- 购物---shoes---价格---998 2017-09-11 11:55:30,671 --- 66661111--信用卡商城结账--998¥ 2017-09-11 11:55:30,671 --- 66661111--信用卡商城结账--998¥
日志记录
main目录
#coding:utf-8
#Author:zhiwenwei
import os,json
base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
'''数据库文件的绝对路径'''
creditcard_data = base_dir + '/db/creditcard_data'
user_dir = base_dir + '/db/user_data'
'''管理员用户认证装饰器'''
def auth_admin(func):
def wrapper(*args,**kwargs):
while True:
check = input("是否确认认证用户？y确认q退出认证")
if check == "y":
print("管理员用户认证".center(60,'-'))
username = input("请输入管理员账户：").strip()
passwd = input("请输入管理员密码：").strip()
with open(user_dir, 'r', encoding='utf-8') as f:
_user_data = json.loads(f.read())
if username in _user_data.keys() and int(passwd) == int(_user_data[username]):
print("用户%s认证成功"%(username))
else:
print("用户名或密码有误")
continue
else:
print("已退出管理用户认证")
break
func(*args,**kwargs)
return wrapper
'''申请信用卡'''
@auth_admin
def apply():
while True:
print("申请信用卡".center(40,'-'))
with open(creditcard_data,'r+',encoding='utf-8') as f:
_credictcard_data = json.loads(f.read())
credictcard_id = input("请输入你要申请的信用卡号(八位数字)：")
if credictcard_id.isdigit() and len(credictcard_id) == 8:
if credictcard_id not in _credictcard_data.keys():
apply_user = input("请输入信用卡申请人：").strip()
apply_passwd = input("请输入信用卡密码(六位数)：").strip()
if len(apply_user) > 0:
if apply_passwd.isdigit() and len(apply_passwd) == 6:
_credictcard_data[credictcard_id] = {"limitcash": 7500, "password":int(apply_passwd), "personinfo": apply_user,"locked": "False",
"deflimit": 15000, "credictcard": int(credictcard_id), "limit": 15000, "totalbill": 0}
dict = json.dumps(_credictcard_data)
f.seek(0)
f.truncate(0)
f.write(dict)
f.flush()
print("申请信用卡成功！\n卡号：%s\t持卡人：%s\n额度：15000\t取现额度：7500"%(credictcard_id,apply_user))
break
else:
print("输入密码有误！")
continue
else:
print("申请人不能为空")
else:
print("改信用卡已存在")
continue
else:
print("输入信用卡有误!")
'''修改信用卡密码'''
@auth_admin
def alter_pw():
while True:
print("修改信用卡密码".center(40,'-'))
with open(creditcard_data,'r+',encoding='-utf8') as f:
_creditcard_data = json.loads(f.read())
creditcard_id = input("请输入你要修改的信用卡：").strip()
if creditcard_id.isdigit() and len(creditcard_id) ==8:
if creditcard_id in _creditcard_data.keys():
passwd = _creditcard_data[creditcard_id]["password"]
_passwd = input("请输入信用卡原密码：").strip()
if int(_passwd) == passwd:
passwd_new = input("请输入你要设置的信用卡密码：").strip()
_creditcard_data[creditcard_id]["password"] = int(passwd_new)
dict = json.dumps(_creditcard_data)
f.seek(0)
f.truncate(0)
f.write(dict)
f.flush()
print("密码修改成功！")
break
else:
print("你输入的原密码有误！")
else:
print("你输入的信用卡不存在")
else:
print("你输入的信用卡有误")
'''添加管理员账户'''
@auth_admin
def alter_admin():
while True:
print("添加管理员账户".center(50,'-'))
username = input("请设置管理员账户名：").strip()
passwd = input("请设置账户密码：").strip()
with open(user_dir,'r+',encoding='utf-8') as f:
user_data = json.loads(f.read())
if username not in user_data.keys():
if len(username) >= 0 and len(passwd) >= 0:
user_data[username] = passwd
user_data = json.dumps(user_data)
f.seek(0)
f.truncate(0)
f.write(user_data)
f.flush()
print("成功添加[%s]管理员"%(username))
break
else:
print("账户或密码不能为空")
else:
print("该管理账户名[%s]已存在！请换一个用户名！"%(username))
continue
admin.py
#coding:utf-8
#Author:zhiwenwei
import os,sys
# base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
# core_path = base_dir + 'main'
# sys.path.insert(0,core_path)
from admin import *
from credictcard import *
from shopping_mall import *
'''主页面列表'''
def core_list():
list = [" ATM ",
"购物商城",
"后台管理",
"退出程序"]
index = 0
for i in list:
print(index+1,i)
index +=1
'''ATM页面列表'''
def atm_list():
list = ["信用卡信息",
"信用卡转账",
"信用卡取现",
"信用卡还款",
]
index = 0
for i in list:
print(index+1,i)
index += 1
'''后台管理列表'''
def admin_list():
list = [" 申请信用卡 ",
"添加管理员账户",
"修改信用卡密码"
]
index = 0
for i in list:
print(index +1,i)
index += 1
'''购物商城列表'''
def shopping_list():
list = ["购物商城",
"购物结算",
"清空购物车",
"查看购物车"
]
index = 0
for i in list:
print(index+1,i)
index += 1
'''主函数'''
def core():
print("欢迎来到购物商城ATM系统".center(30,'-'))
while True:
core_list()
choice = input("请选择ID：").strip()
if choice == "q":
print("已退出，欢迎下次使用！".center(40,'-'))
exit()
if choice.isdigit():
choice = int(choice)
if 1 <= choice <= 4:
while True:
if choice == 1:
print("欢迎来到信用中心".center(40,'-'))
atm_list()
atm_choice = input("请选择ATM操作id：").strip()
if atm_choice == "q":break
if atm_choice == "exit":exit("已退出程序，欢迎下次使用！")
if atm_choice.isdigit():
atm_choice = int(atm_choice)
if 1 <= atm_choice <= 4:
while True:
if atm_choice == 1:
creditcard_info()
break
elif atm_choice == 2:
transfer()
break
elif atm_choice == 3:
takecash()
break
elif atm_choice == 4:
repayment()
break
else:
print("请输入正确的id")
elif choice ==2:
print("欢迎来到购物商城".center(40,'-'))
shopping_list()
shop_choice = input("请选择id：").strip()
if shop_choice == "q":break
if shop_choice == "exit":exit("已退出程序，欢迎下次使用！")
if shop_choice.isdigit():
shop_choice = int(shop_choice)
if 1 <= shop_choice <= 4:
while True:
if shop_choice == 1:
mall()
break
elif shop_choice == 2:
shopping_pay()
break
elif shop_choice == 3:
del_shoppingcar()
break
elif shop_choice == 4:
search_shopppingcar()
break
else:
print("请输入正确的id")
else:
print("请输入正确的id")
elif choice == 3:
print("欢迎来到管理后台中心".center(50,'-'))
admin_list()
admin_choice = input("请选择id(q返回exit退出)").strip()
if admin_choice == "q":break
if admin_choice == "exit":exit("已退出程序，欢迎下次使用！")
if admin_choice.isdigit():
admin_choice = int(admin_choice)
if 1 <= admin_choice <= 3:
while True:
if admin_choice == 1:
apply()
break
elif admin_choice == 2:
alter_admin()
break
elif admin_choice == 3:
alter_pw()
break
else:
print("请输入正确的id")
elif choice == 4:
exit("已退出程序，欢迎下次使用！")
else:
print("请输入正确的id")
else:
print("你输入有误！")
core.py
#coding:utf-8
#Author:支文伟
"""信用卡中心"""
import os
import json
import sys
from log import get_logger #导入日志模块
'''获取数据文件的绝对路径'''
base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) #获取当前目录的上级目录绝对路径
creditcard_path = base_dir + '/db/creditcard_data'
user_path = base_dir + '/db/user_data'
recordlog_path = base_dir + '/log/record.log'
logger = get_logger() #日志实例化对象
'''个人信用卡信息'''
def creditcard_info():
while True:
with open(creditcard_path,'r',encoding='utf8') as f:
creditcard_data = json.loads(f.read())
choice = input("请输入你要查询的信用卡卡号(8位数字)(退出输入q)：").strip()
if choice in creditcard_data.keys():
print("我的信用卡信息：".center(50,'-'))
print("持卡人：[ %s ]\n卡号：[ %s ]\n额度：[ %s ]\n可用额度：[ %s ]\n提现额度：[ %s ]"
% (creditcard_data[choice]["personinfo"],choice,creditcard_data[choice]["deflimit"],
creditcard_data[choice]["limit"],creditcard_data[choice]["limitcash"]))
elif choice == "q":
break
else:
print("你输入的信用卡不存在！")
'''信用卡转账'''
def transfer():
while True:
print("信用卡转账".center(50, '-'))
with open(creditcard_path,'r+',encoding='utf8') as f:
creditcard_data = json.loads(f.read())
choice = input("请输入你的信用卡账号('q'返回):").strip()
if choice == 'q':
break
if choice in creditcard_data.keys():
now_limit = creditcard_data[choice]["limit"]
transfer_card = input("请输入你要转账的账户：").strip()
if transfer_card.isdigit() and transfer_card in creditcard_data.keys() and len(transfer_card) == 8:
transfer_money = input("请输入转账金额：").strip()
if transfer_money.isdigit():
transfer_money = int(transfer_money)
creditcard_passwd = input("请输入信用卡密码:").strip()
creditcard_passwd = int(creditcard_passwd)
if creditcard_passwd == creditcard_data[choice]["password"]:
if transfer_money <= int(now_limit):
creditcard_data[choice]["limit"] -= transfer_money
creditcard_data[choice]["limitcash"] -= transfer_money
creditcard_data[transfer_card]["limit"] += transfer_money
creditcard_data[transfer_card]["limitcash"] += transfer_money
print("转账成功".center(50,'-'))
print("转账金额：[ %s ]\n信用卡可用额度：[ %s ]" % (transfer_money,creditcard_data[choice]["limit"]))
'''转账信息记录到日志'''
transfer_info = ["信用卡转账",str(choice),str(transfer_money)]
transfer_info = '---'.join(transfer_info)
logger.debug(transfer_info)
f.seek(0)
#f.truncate(0)
creditcard_data_dumps = json.dumps(creditcard_data)
f.write(creditcard_data_dumps)
else:
print("转账额度不能大于信用额度")
else:
print("输入密码有误")
else:
print("请输入数字格式的金额！")
else:
print("你输入的账户不存在")
else:
print("你输入的信用卡账号不存在！")
'''信用卡取现'''
def takecash():
while True:
print("信用卡取现".center(50,'-'))
with open(creditcard_path,'r+',encoding='utf-8') as f:
creditcard_data = json.loads(f.read())
creditcard = input("请输入你的信用卡账号(q返回)：").strip()
if creditcard == 'q':break
if creditcard in creditcard_data.keys():
limit = creditcard_data[creditcard]["limit"]
limitcash = creditcard_data[creditcard]["limitcash"]
totalbill = creditcard_data[creditcard]["totalbill"]
print("信用卡额度：[ %d ]\n信用卡账单：[ %d ]\n单信用卡可取现额度：[ %d ]" %(limit,totalbill,limitcash,))
cash = input("请输入你要取现的额度,手续费%5：").strip()
if cash.isdigit() and 0 < int(cash) <= limitcash:
passwd = input("请输入信用卡:%s的密码：" %(creditcard)).strip()
if int(passwd) == creditcard_data[creditcard]["password"]:
cash = int(cash)
fee = cash * 0.05 # 手续费
total_cash = cash + fee
totalbill += cash
creditcard_data[creditcard]["limitcash"] -= total_cash
creditcard_data[creditcard]["limit"] -= total_cash
creditcard_data[creditcard]["totalbill"] = totalbill
print("成功取现：[%d]\n收取手续费:[%d]" %(cash,fee))
'''取现信息记录到日志'''
takecash_info = ["信用卡取现",creditcard,str(cash)]
takecash_info = '---'.join(takecash_info)
logger.debug(takecash_info)
'''永久保存数据库'''
f.seek(0)
creditcard_data = json.dumps(creditcard_data)
f.write(creditcard_data)
f.flush()
else:
print("信用卡密码有误！")
else:
print("你输入额度含有非数字或超过可取现额度")
else:
print("你输入的信用卡账号不存在")
'''信用卡还款'''
def repayment():
while True:
print("信用卡还款".center(50,'-'))
creditcard = input("请输入信用卡账号：").strip()
with open(creditcard_path,'r+',encoding='utf8') as f:
creditcard_data = json.loads(f.read())
print(creditcard_data)
if creditcard in creditcard_data.keys():
totalbill = creditcard_data[creditcard]["totalbill"]
print("你的信用卡[%s]总账单:[%d]"%(creditcard,totalbill))
repayments = input("请输入你要还款的额度：").strip()
if repayments.isdigit() and 0 < int(repayments) <= totalbill:
passwd = input("请输入信用卡:[%s]的密码："%(creditcard)).strip()
if int(passwd) == creditcard_data[creditcard]["password"]:
repayments = int(repayments)
creditcard_data[creditcard]["totalbill"] -= repayments
creditcard_data[creditcard]["limit"] += repayments
creditcard_data[creditcard]["limitcash"] += repayments
totalbill -= repayments
'''记录还款信息到日志'''
repayment_info = ["信用卡还款",creditcard,str(repayments)]
repayment_info = '---'.join(repayment_info)
logger.debug(repayment_info)
'''写到文件'''
f.seek(0)
creditcard_data = json.dumps(creditcard_data)
f.write(creditcard_data)
f.flush()
print("成功还款：[%d]\n剩下总账单：[%d]"%(repayments,totalbill))
else:
print("你输入的密码有误")
else:
print("你输入的额度非数字或超过还款额度！")
else:
print("你输入的信用卡账号不存在！")
credictcard.py
#coding:utf-8
#Author:Mr Zhi
import logging,os
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) #获取上级目录的绝对路径
log_dir = BASE_DIR + '/log/record.log'
def get_logger():
fh = logging.FileHandler(log_dir,encoding='utf-8') #创建一个文件流并设置编码utf8
logger = logging.getLogger() #获得一个logger对象，默认是root
logger.setLevel(logging.DEBUG) #设置最低等级debug
fm = logging.Formatter("%(asctime)s --- %(message)s") #设置日志格式
logger.addHandler(fh) #把文件流添加进来，流向写入到文件
fh.setFormatter(fm) #把文件流添加写入格式
return logger
log.py
#coding:utf-8
#Author:支文伟
import os,json
from log import get_logger
logger = get_logger() #日志模块实例化对象
base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
'''数据库文件的绝对路径'''
shopping_data = base_dir + '/db/shopping_data'
shopping_car = base_dir + '/db/shopping_car'
creditcard_data = base_dir + '/db/creditcard_data'
'''购物商城'''
def mall():
product_list = []
product_list2 = []
with open(shopping_data,'r',encoding='utf8') as f:
for i in f:
product_list.append(i.strip("\n").split(' ')) #拆分为列表并添加到product_list
def product_info():
for index,item in enumerate(product_list):
print(index +1,item[0],item[1])
while True:
print("欢迎来到购物商城".center(30, '-'))
product_info()
choice_id = input("请输入商品编号（q返回）：").strip()
if choice_id.isdigit():
choice_id = int(choice_id)
if 0 <= choice_id <= len(product_list):
product_item = product_list[choice_id-1] #获取选择的商店
print("商品 %s 加入购物车，价格 %s " % (product_item[0],product_item[1]))
product_list2.append(product_item)
'''购物信息记录到日志模块'''
shopping_info = ["购物",str(product_item[0]),"价格",product_item[1]]
shopping_info = "---".join(shopping_info)
logger.debug(shopping_info)
else:
print("没有对应的商品编号，请重新输入！")
elif choice_id == "q":
with open(shopping_car,'r+',encoding='utf-8') as f:
list = json.loads(f.read())
list.extend(product_list2)
f.seek(0)
list = json.dumps(list)
f.write(list)
f.flush()
break
else:
print("没有对应的商品编号，请重新输入！")
'''清空购物车'''
def del_shoppingcar():
while True:
choice = input("是否清空购物车？('y'确认'q'退出)：").strip()
if choice == 'q':break
if choice == 'y':
with open(shopping_car,"r+",encoding='utf-8') as f:
res = json.loads(f.read())
print(type(res))
if res != []:
f.seek(0)
f.truncate(0) #截断后面所有的字符也就是清空
list = json.dumps([])
f.write(list)
f.flush()
print("购物车已经清空！")
break
else:
print("你还没有消费，购物车为空！")
else:
print("你输入指令有误！")
break
'''购物结算'''
def shopping_pay():
while True:
print("购物结算".center(50,'-'))
with open(shopping_car,'r+',encoding='utf-8') as f:
data = json.loads(f.read())
if data != []:
print("\t商品\t价格")
for index,item in enumerate(data):
print(index +1,item[0],item[1])
money = sum([int(i[1]) for i in data])
else:
print("你还没消费，快去花钱吧！")
break
choice = input("商品总额：%s (y)确认支付,(q)返回：" %(money))
if choice == 'q':break
if choice == 'y':
creditcard_id = input("请输入结算的信用卡账号：").strip()
with open(creditcard_data,'r+',encoding='utf-8') as f2:
_creditcard_data = json.loads(f2.read())
if creditcard_id in _creditcard_data.keys():
passwd = input("请输入信用卡 %s 支付密码：" % (_creditcard_data[creditcard_id]["credictcard"])).strip()
if int(passwd) == _creditcard_data[creditcard_id]["password"]:
limit = _creditcard_data[creditcard_id]["limit"]
limitcash = _creditcard_data[creditcard_id]["limitcash"]
if _creditcard_data[creditcard_id]["limit"] >= money:
_creditcard_data[creditcard_id]["limit"] -= money
_creditcard_data[creditcard_id]["limitcash"] -= money
_creditcard_data[creditcard_id]["totalbill"] += money #账单
'''写入日志'''
shopping_info = [creditcard_id,"信用卡商城结账",str(money)+"¥"]
shopping_info = '--'.join(shopping_info)
logger.debug(shopping_info)
'''写入数据'''
dict = json.dumps(_creditcard_data)
f2.seek(0)
f2.truncate(0)
f2.write(dict)
print("支付成功：%s¥"%(money))
break
else:
print("当前信用卡额度%s不足支付！"%(limit))
else:
print("密码有误，请重新输入！")
else:
print("你输入的信用卡不存在！")
'''查看购物车'''
def search_shopppingcar():
print("购物车".center(60,'-'))
with open(shopping_car,'r',encoding='utf-8') as f:
shopping_car_info = json.loads(f.read())
if shopping_car_info != []:
print("\t商品\t价格")
for i in shopping_car_info:
print(i)
else:
print("购物车为空，请去商城看看！！！")
shopping_mall