python购物车升级版
2024-09-01 04:54:12
各文件内容
前言
功能架构等请参考前一篇博客,此篇博客为进阶版的存代码展示。
详细文件内容
启动文件
starts.py启动文件
import os
import sys BASE_DIR = os.path.dirname(os.path.dirname(__file__))
sys.path.append(BASE_DIR) from core import src
if __name__ == '__main__':
src.run()
bin/starts.py
配置文件
logging_dict.py日志配置字典
import os
# ************************************ 日志配置字典 **************************************************
'''
--------------------------------------------
------------* 需要自定义的配置 *-------------
--------------------------------------------
'''
# 定义三种日志输出格式 开始
standard_format = '[%(asctime)s][%(threadName)s:%(thread)d][task_id:%(name)s][%(filename)s:%(lineno)d]' \
'[%(levelname)s][%(message)s]' # 其中name为getlogger指定的名字
simple_format = '[%(levelname)s][%(asctime)s][%(filename)s:%(lineno)d]%(message)s'
# 定义日志输出格式 结束 # 定义日志文件的存放目录与文件名(一般视情况选择下面的两个即可)
logfile_dir = os.path.dirname(os.path.dirname(__file__)) # log文件的目录 (执行文件starts.py 在bin目录下)
# logfile_dir = os.path.abspath(__file__) # log文件的目录 (执行文件starts.py 在项目根目录下)
# 拼上 log 文件夹
logfile_dir = os.path.join(logfile_dir, 'log')
logfile_name = 'ATM_Shop_Cart.log' # log文件名 # 如果不存在定义的日志目录就创建一个
if not os.path.isdir(logfile_dir):
os.mkdir(logfile_dir) # log文件的全路径
logfile_path = os.path.join(logfile_dir, logfile_name) # 像日志文件的最大限度、个数限制,日志过滤等级等也可以在下面的对应地方限制 '''
--------------------------------------------
--------------* log配置字典 *---------------
--------------------------------------------
'''
# log配置字典
LOGGING_DIC = {
'version': 1,
'disable_existing_loggers': False,
'formatters': {
'standard': {
'format': standard_format
},
'simple': {
'format': simple_format
},
},
'filters': {}, # 一般用不到过滤,所以就空在这里了
'handlers': {
'console': {
'level': 'DEBUG',
'class': 'logging.StreamHandler', # 打印到屏幕
'formatter': 'simple'
},
# 打印到文件的日志,收集info及以上的日志
'default': {
'level': 'DEBUG',
'class': 'logging.handlers.RotatingFileHandler', # 保存到文件
'formatter': 'standard',
'filename': logfile_path, # 日志文件
'maxBytes': 1024 * 1024 * 5, # 日志大小上限 5M,超过5M就会换一个日志文件继续记录
'backupCount': 5, # 日志文件的数量上限 5个,超出会把最早的删除掉再新建记录日志
'encoding': 'utf-8', # 日志文件的编码,再也不用担心中文log乱码了
},
},
'loggers': {
# logging.getLogger(__name__)拿到的logger配置
'': {
'handlers': ['default', 'console'], # 这里把上面定义的两个handler都加上,即log数据既写入文件又打印到屏幕
# 'handlers': ['default'], # ------------- 正式上线的时候改成这个,取消控制台打印,节省资源 -------------
'level': 'DEBUG',
'propagate': True, # 向上(更高level的logger)传递
},
},
}
conf/logging_dict.py
settings.py配置文件
import os
import sys
BASE_DIR = os.path.dirname(os.path.dirname(__file__))
sys.path.append(BASE_DIR)
conf/settings.py
入口文件
src.py入口文件
from interface import user_interface
from lib import common
from interface import bank_interface
from interface import shop_interface def register():
while True:
username = input("请输入用户名>>>:").strip()
if username == 'q':
return False
if user_interface.check_user_exits(username):
print("该用户已存在,请换一个试试!")
continue
pwd = input("请输入密码>>>:").strip()
if pwd == 'q':
return False
repwd = input("请再次输入密码>>>:").strip()
if pwd == 'q':
return False
if repwd != pwd:
print("两次密码不一致,请您重新输入!")
continue
flag = user_interface.register(username, pwd)
if not flag:
print("注册失败,请重试!")
continue
else:
print(f"{username}注册成功~")
return True def login():
while True:
username = input("请输入用户名>>>:").strip()
if username == 'q':
return False
if not user_interface.check_user_exits(username):
print("该用户不存在,请检查输入!")
continue
pwd = input("请输入密码>>>:").strip()
if pwd == 'q':
return False
flag = user_interface.login(username, pwd)
if not flag:
print("您的密码有误或账户已被冻结,请重新登录!")
continue
else:
print(f"登陆成功,{username}您好~")
return True @common.login_auth
def logout():
user_interface.logout()
print("欢迎下次登录,祝您生活愉快~") @common.login_auth
def check_balance():
username = current_user.get("username")
balance = user_interface.check_balance(username)
print(f"{username}您好,您的账户余额为{balance}。") @common.login_auth
def check_flow():
username = current_user.get('username')
flow = user_interface.check_flow(username)
if flow:
print(f"{username}您好,您的流水如下:")
for line in flow:
print(line)
else:
print(f"{username}您好,您的账户暂无流水记录~") # ---------------------
# 银行接口
@common.login_auth
def repay():
username = current_user.get('username')
while True:
money = input('请输入您的还款金额>>>:').strip()
if money == 'q':
return False
elif not money.isdigit():
print("请正确输入金额")
continue
else:
money = int(money)
bank_interface.repay(username, money)
print("还款成功!")
return True @common.login_auth
def withdraw():
username = current_user.get('username')
while True:
money = input('请输入您的提现金额>>>:').strip()
if money == 'q':
return False
elif not money.isdigit():
print("请正确输入金额")
continue
else:
money = int(money)
flag = bank_interface.withdraw(username, money)
if flag:
print("提现成功!")
return True
else:
print("您的余额不足提现金额(提现需包含0.05%的手续费)。") @common.login_auth
def transfer():
username = current_user.get('username')
while True:
target_user = input("请输入您的转账目标用户>>>:").strip()
if user_interface.check_user_exits(target_user):
money = input('请输入您的转账金额>>>:').strip()
if money == 'q':
return False
elif not money.isdigit():
print("请正确输入金额")
continue
else:
money = int(money)
flag = bank_interface.transfer(username, target_user, money)
if not flag:
print("转账失败,请确认您的余额是否充足!")
continue
print("转账成功!")
return True
print(f"{target_user}用户不存在,请您重新输入!") # ---------------------
# 购物功能
@common.login_auth
def shop():
username = current_user['username']
while True:
print("------------- 商品列表 -------------")
for key in shopping_list:
print(f"{key}.{shopping_list.get(key)[0]} {shopping_list.get(key)[1]}")
choice = input("请输入商品编号>>>:").strip()
if choice == 'q':
return False
elif choice in shopping_list:
# 开始购物
is_buy = input("请选择购买或加入购物车(y购买/n加入购物车)(q退出)").strip()
if is_buy == 'q':
return False
good = shopping_list[choice][0]
price = shopping_list[choice][1] if is_buy == 'y':
flag = shop_interface.pay_good(username, good, price)
if not flag:
print(f"您的余额不足以购买该商品,请换一个试试")
else:
print(f"{good}商品购买成功!")
elif is_buy == 'n':
# 加入购物车
flag = shop_interface.put_shop_cart(username, good, price)
if not flag:
print(f"{good}该商品已在购物车中啦~")
else:
print(f"{good}成功放入购物车")
pass
else:
print("请正确输入!")
continue
else:
print("请输入正确的商品编号!")
continue @common.login_auth
def check_shop_cart():
username = current_user['username']
shop_cart = shop_interface.get_shop_cart(username)
if shop_cart:
print(f"{username}您好,您的购物车商品列表如下")
for shop, price in shop_cart.items():
print(shop, price)
else:
print(f"您的购物车里还没有东西哦~") # ---------------------
# 管理员功能
@common.login_auth
@common.admin_auth
def lock_user():
username = current_user['username']
while True:
target_user = input("请输入您要冻结的目标用户>>>:").strip()
if user_interface.check_user_exits(target_user):
user_interface.lock_user(username, target_user)
print(f"{target_user}用户已冻结。")
return True
print(f"{target_user}用户不存在,请您重新输入!") @common.login_auth
@common.admin_auth
def unlock_user():
username = current_user['username']
while True:
target_user = input("请输入您要解冻的目标用户>>>:").strip()
if user_interface.check_user_exits(target_user):
user_interface.unlock_user(username, target_user)
print(f"{target_user}用户已成功解冻。")
return True
print(f"{target_user}用户不存在,请您重新输入!") @common.login_auth
@common.admin_auth
def change_balance():
username = current_user['username']
while True:
target_user = input("请输入您要更改的目标用户>>>:").strip()
if user_interface.check_user_exits(target_user):
money = input('请输入金额>>>:').strip()
if money == 'q':
return False
elif not money.isdigit():
print("请正确输入金额")
continue
else:
money = int(money)
flag = user_interface.change_balance(username, target_user, money)
if not flag:
print("不能设置自己的余额,请换个用户试试。")
continue
print(f"{target_user}用户余额成功修改为{money}元。")
return True
print(f"{target_user}用户不存在,请您重新输入!") func_list = {
'': register,
'': login,
'': logout,
'': check_balance,
'': check_flow,
'': repay,
'': withdraw,
'': transfer,
'': shop,
'': check_shop_cart,
'': lock_user,
'': unlock_user,
'': change_balance,
} current_user = {
'username': '',
'pwd': None,
'balance': 0,
'lock': False,
'flow': [],
'shop_cart': {},
'is_admin': False
} shopping_list = {
"": ['广东凤爪', 10],
"": ['面疙瘩', 15],
"": ['mac', 12888],
"": ['tesla', 1222222]
} def run():
while True:
print("""------------------------------------------------------------------
1.注册 2.登录 3.注销 4.查看余额
5.查看流水 6.还款 7.提现 8.转账
9.购物 10.查看购物车 11.锁定用户 12.解锁用户
13.更改用户余额
11-13为管理员功能哦,只有管理员才能操作!
------------------------------------------------------------------""")
choice = input("请选择功能编号>>>:").strip()
if choice == 'q':
print("感谢您的使用,欢迎下次再来~")
return False
elif choice in func_list:
func_list[choice]()
else:
print("您的输入有误,请重新输入")
core/src.py
数据处理层
db_handler.py数据处理文件
import os
import json
BASE_DIR = os.path.dirname(os.path.dirname(__file__))
DB_DIR = os.path.join(BASE_DIR, 'db') def select(username: str):
user_dir = os.path.join(DB_DIR, f"{username}.json")
if not os.path.exists(user_dir):
return False
else:
with open(user_dir, mode='r', encoding='utf-8') as f:
user_dict = json.load(f)
return user_dict def save(user_dict: dict):
user_dir = os.path.join(DB_DIR, f"{user_dict['username']}.json")
with open(user_dir, mode='w', encoding='utf-8') as f:
json.dump(user_dict, f, ensure_ascii=False)
return True
db/db_handler.py
用户数据信息
db/swb.json用户信息文件1
{"username": "swb", "pwd": "59f471f262ab586fb959ded0e2c7b94f", "balance": 10, "lock": false, "flow": ["swb购买了广东凤爪,花费10元,现余额为14990元", "swb购买了面疙瘩,花费15元,现余额为14975元", "管理员tank将您的账户余额重置为10元。"], "shop_cart": {"广东凤爪": 10, "面疙瘩": 15, "mac": 12888, "tesla": 1222222}, "is_admin": false}
db/swb.json用户信息文件1
db/tank.json用户信息文件2
{"username": "tank", "pwd": "59f471f262ab586fb959ded0e2c7b94f", "balance": 14975, "lock": false, "flow": ["tank购买了广东凤爪,花费10元,现余额为14990元", "tank购买了面疙瘩,花费15元,现余额为14975元"], "shop_cart": {"tesla": 1222222}, "is_admin": true}
db/tank.json用户信息文件2
接口层
interface/bank_interface.py银行功能接口文件
from db import db_handler
from lib import common
logger = common.get_logger('bank_interface') def repay(username: str, money: float):
user_dict = db_handler.select(username)
user_dict['balance'] += money
user_dict['flow'].append(f"{username}还款{money}元,现余额为{user_dict['balance']}。")
db_handler.save(user_dict)
logger.info(f"{username}还款{money}元,现余额为{user_dict['balance']}。")
return True def withdraw(username: str, money: float):
user_dict = db_handler.select(username)
if money*1.05 > user_dict['balance']:
return False
else:
user_dict['balance'] -= money*1.05
user_dict['flow'].append(f"{username}提现{money}元,手续费{money*0.05}元,现余额为{user_dict['balance']}元")
db_handler.save(user_dict)
logger.info(f"{username}提现{money}元,手续费{money*0.05}元,现余额为{user_dict['balance']}元")
return True def transfer(username: str, target_username: str, money: float):
user_dict = db_handler.select(username)
if user_dict['balance'] < money:
return False
user_dict['balance'] -= money
user_dict['flow'].append(f"{username}向{target_username}转账{money}元。")
db_handler.save(user_dict) target_user_dict = db_handler.select(target_username)
target_user_dict['balance'] += money
target_user_dict['flow'].append(f"{target_username}收到{username}转账{money}元。")
db_handler.save(target_user_dict) logger.info(f"{username}向{target_username}转账{money}元。")
return True
interface/bank_interface.py
interface/shop_interface.py购物车功能接口文件
from db import db_handler
from lib import common
logger = common.get_logger('shop') def get_shop_cart(username: str):
user_dict = db_handler.select(username)
return user_dict['shop_cart'] def put_shop_cart(username: str, good: str, price: float):
user_dict = db_handler.select(username)
shop_cart = user_dict['shop_cart']
if good in shop_cart:
return False
else:
shop_cart[good] = price
user_dict['shop_cart'] = shop_cart
db_handler.save(user_dict)
logger.info(f"商品{good},单价{price},已加入{username}的购物车~")
return True def pay_good(username, good, price):
user_dict = db_handler.select(username)
if user_dict['balance'] <= price:
return False
else:
user_dict['balance'] -= price
user_dict['flow'].append(f"{username}购买了{good},花费{price}元,现余额为{user_dict['balance']}元")
db_handler.save(user_dict)
logger.info(f"{username}购买了{good},花费{price}元,现余额为{user_dict['balance']}元")
return True
interface/shop_interface.py
interface/user_interface.py用户功能接口文件
from db import db_handler
from lib import common
logger = common.get_logger('user_interface') def check_user_exits(username: str):
flag = db_handler.select(username)
if not flag:
return False
return True def register(username: str, pwd: str, balance=15000):
pwd = common.get_md5(pwd)
user_dict = {
'username': username,
'pwd': pwd,
'balance': balance,
'lock': False,
'flow': [],
'shop_cart': {},
'is_admin': False
}
db_handler.save(user_dict)
logger.info(f"{username}用户注册成功,初始余额为{balance}元。")
return True def login(username: str, pwd: str):
pwd = common.get_md5(pwd)
user_dict = db_handler.select(username)
if user_dict['pwd'] == pwd and not user_dict['lock']:
from core import src
src.current_user = user_dict
return True
else:
return False def logout():
from core import src
logger.info(f"{src.current_user['username']}用户注销登录。")
src.current_user = {
'username': None,
'pwd': None,
'balance': None,
'lock': False,
'flow': [],
'shop_cart': {},
'is_admin': False
}
return True def check_balance(username: str):
user_dict = db_handler.select(username)
return user_dict['balance'] def check_flow(username: str):
user_dict = db_handler.select(username)
return user_dict['flow'] def lock_user(username: str, target_user: str):
target_user_dict = db_handler.select(target_user)
target_user_dict['lock'] = True
db_handler.save(target_user_dict)
logger.info(f"{username}将{target_user}账户冻结。")
return True def unlock_user(username: str, target_user: str):
target_user_dict = db_handler.select(target_user)
target_user_dict['lock'] = False
db_handler.save(target_user_dict)
logger.info(f"{username}将{target_user}账户解冻。")
return True def change_balance(username: str, target_user: str, money: float):
if username == target_user:
return False
target_user_dict = db_handler.select(target_user)
target_user_dict['balance'] = money
target_user_dict['flow'].append(f"管理员{username}将您的账户余额重置为{money}元。")
db_handler.save(target_user_dict)
logger.info(f"{username}将{target_user}的账户余额改为{money}元。")
return True
# 这些管理员方法用装饰器判断他是不是管理员
interface/user_interface.py
通用方法
lib/common.py通用方法文件
import logging.config
from conf import logging_dict
import hashlib # 日志字典使用
def get_logger(type_name: str):
logging.config.dictConfig(logging_dict.LOGGING_DIC)
logger = logging.getLogger(type_name)
return logger # 登录装饰器
def login_auth(func):
def inner(*args, **kwargs):
from core import src
if src.current_user.get('username'):
# 登录验证
res = func(*args, **kwargs)
return res
else:
print("请登录后再操作!")
src.login()
return inner # 管理员验证
def admin_auth(func):
def inner(*args, **kwargs):
from core import src
if src.current_user.get('is_admin'):
# 判断是不是管理员
res = func(*args, **kwargs)
return res
else:
print("您不是管理员,不能使用此功能哦~")
return inner # md5值获取
def get_md5(string: str) -> str:
md5 = hashlib.md5()
md5.update('md5_salt'.encode('utf-8'))
md5.update(string.encode('utf-8'))
return md5.hexdigest() if __name__ == '__main__':
logger = get_logger('common')
logger.info('info测试数据啦~')
logger.debug('debug测试数据啦~')
lib/common.py
日志记录
log/ATM_Shop_Cart.log日志记录文件
[2019-07-23 21:55:50,172][MainThread:2688][task_id:user_interface][user_interface.py:25][INFO][swb用户注册成功,初始余额为15000元。]
[2019-07-23 21:56:07,970][MainThread:2688][task_id:shop][shop_interface.py:30][INFO][swb购买了广东凤爪,花费10元,现余额为14990元]
[2019-07-23 21:56:11,611][MainThread:2688][task_id:shop][shop_interface.py:19][INFO][商品面疙瘩,单价15,已加入swb的购物车~]
[2019-07-23 21:56:13,812][MainThread:2688][task_id:shop][shop_interface.py:19][INFO][商品mac,单价12888,已加入swb的购物车~]
[2019-07-23 21:56:54,035][MainThread:764][task_id:shop][shop_interface.py:20][INFO][商品广东凤爪,单价10,已加入swb的购物车~]
[2019-07-23 21:56:55,516][MainThread:764][task_id:shop][shop_interface.py:20][INFO][商品面疙瘩,单价15,已加入swb的购物车~]
[2019-07-23 21:56:56,882][MainThread:764][task_id:shop][shop_interface.py:20][INFO][商品mac,单价12888,已加入swb的购物车~]
[2019-07-23 21:56:58,797][MainThread:764][task_id:shop][shop_interface.py:20][INFO][商品tesla,单价1222222,已加入swb的购物车~]
[2019-07-23 21:57:06,937][MainThread:764][task_id:shop][shop_interface.py:31][INFO][swb购买了广东凤爪,花费10元,现余额为14990元]
[2019-07-23 21:57:09,363][MainThread:764][task_id:shop][shop_interface.py:31][INFO][swb购买了面疙瘩,花费15元,现余额为14985元]
[2019-07-23 21:57:10,666][MainThread:764][task_id:shop][shop_interface.py:31][INFO][swb购买了mac,花费12888元,现余额为2112元]
[2019-07-23 21:59:27,610][MainThread:14372][task_id:shop][shop_interface.py:31][INFO][swb购买了广东凤爪,花费10元,现余额为14990元]
[2019-07-23 22:00:37,898][MainThread:7112][task_id:shop][shop_interface.py:32][INFO][swb购买了广东凤爪,花费10元,现余额为14990元]
[2019-07-23 22:00:39,419][MainThread:7112][task_id:shop][shop_interface.py:32][INFO][swb购买了面疙瘩,花费15元,现余额为14975元]
[2019-07-23 22:01:08,585][MainThread:1056][task_id:user_interface][user_interface.py:25][INFO][tank用户注册成功,初始余额为15000元。]
[2019-07-23 22:01:18,705][MainThread:1056][task_id:shop][shop_interface.py:32][INFO][tank购买了广东凤爪,花费10元,现余额为14990元]
[2019-07-23 22:01:23,370][MainThread:1056][task_id:shop][shop_interface.py:32][INFO][tank购买了面疙瘩,花费15元,现余额为14975元]
[2019-07-23 22:01:29,289][MainThread:1056][task_id:shop][shop_interface.py:20][INFO][商品tesla,单价1222222,已加入tank的购物车~]
[2019-07-23 22:03:05,065][MainThread:1056][task_id:user_interface][user_interface.py:42][INFO][tank用户注销登录。]
[2019-07-23 22:03:18,514][MainThread:1056][task_id:user_interface][user_interface.py:69][INFO][tank将swb账户冻结。]
[2019-07-23 22:03:20,986][MainThread:1056][task_id:user_interface][user_interface.py:42][INFO][tank用户注销登录。]
[2019-07-23 22:03:45,178][MainThread:1056][task_id:user_interface][user_interface.py:77][INFO][tank将swb账户解冻。]
[2019-07-23 22:04:05,704][MainThread:1056][task_id:user_interface][user_interface.py:42][INFO][swb用户注销登录。]
[2019-07-23 22:04:18,321][MainThread:1056][task_id:user_interface][user_interface.py:88][INFO][tank将swb的账户余额改为10元。]
[2019-07-23 22:04:22,425][MainThread:1056][task_id:user_interface][user_interface.py:42][INFO][tank用户注销登录。]
log/ATM_Shop_Cart.log
注意: # swb 用户为管理员用户,可以执行管理员操作(swb 以及 tank的密码均为 123),右键starts.py文件运行即可
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