python-code-16
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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%
- 每月22号出账单，每月10号为还款日，过期未还，按欠款总额 万分之5 每日计息
- 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
import os BASE_DIR = os.path.dirname(os.path.dirname(__file__)) DB_PATH = os.path.join(BASE_DIR, \'db\') BASE_LOG =os.path.join(BASE_DIR,\'log\') 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\' id_simple_format = \'[%(levelname)s][%(asctime)s] %(message)s\' # 定义日志输出格式 结束 # 如果不存在定义的日志目录就创建一个 if not os.path.isdir(BASE_LOG): os.mkdir(BASE_LOG) # log文件的全路径 logfile_path = os.path.join(BASE_LOG, \'log.log\') # log配置字典 LOGGING_DIC = { \'version\': 1, \'disable_existing_loggers\': False, \'formatters\': { \'standard\': { \'format\': standard_format }, \'simple\': { \'format\': simple_format }, }, \'filters\': {}, \'handlers\': { # 打印到终端的日志 \'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 5M \'backupCount\': 5, \'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 \'level\': \'INFO\', \'propagate\': True, # 向上（更高level的logger）传递 }, }, }
from interface import user from lib import common from interface import bank from interface import shop user_data = {\'name\':None} def login(): if user_data[\'name\']: print(\'登录状态\') return print(\'登录\') count = 0 while True: name = input(\'用户名:\').strip() if name == \'q\': break user_dic = user.get_userinfo_interface(name) if user_dic: if not user_dic[\'locked\']: pwd = input(\'密码:\').strip() if pwd == user_dic[\'pwd\']: print(\'登录成功\') user_data[\'name\'] = name break else: print(\'密码错误\') count += 1 if count == 3: msg = user.lock_user_interface(name) print(msg) break else: print(\'用户锁定状态\') break else: print(\'用户名不存在\') def register(): if user_data[\'name\']: print(\'登录状态\') return print(\'注册\') while True: name = input(\'用户名(q to quit):\').strip() if name == \'q\':break if user.get_userinfo_interface(name): print(\'用户名已被注册\') continue else: pwd = input(\'密码:\').strip() conf_pwd = input(\'核对密码:\').strip() if pwd == conf_pwd: msg = user.register_interface(name,pwd) print(msg) break else: print(\'两次密码不一致\') @common.auth def check_balance(): print(\'查看余额\') msg = bank.check_balance_interface(user_data[\'name\']) print(msg) @common.auth def transfer(): print(\'转账\') to_user = input(\'转入账户:\').strip() transfer_account = input(\'转账金额:\').strip() flag,msg = bank.transfer_interface(user_data[\'name\'],to_user,transfer_account) if flag: print(msg) else: print(msg) @common.auth def repay(): print(\'还款\') account = input(\'输入还款金额:\').strip() flag,msg = bank.repay_interface(user_data[\'name\'],account) if flag: print(msg) else: print(msg) @common.auth def withdraw(): print(\'取款\') account = input(\'取款金额:\').strip() flag,msg = bank.withdraw_interface(user_data[\'name\'],account) if flag: print(msg) else: print(msg) @common.auth def check_records(): res = bank.check_records_interface(user_data[\'name\']) for i in res: print(i) @common.auth def shopping(): product_list = [[\'Iphone7\', 5800], [\'Coffee\', 30], [\'疙瘩汤\', 10], [\'Python Book\', 99], [\'Bike\', 199], [\'ViVo X9\', 2499], ] shopping_cart = {} while True: for k,v in enumerate(product_list): info = \'编号:%s 商品:%s 价格:%s\' %(k,product_list[k][0],product_list[k][1]) print(info) choice = input(\'输入商品编号:\').strip() if choice.isdigit(): choice = int(choice) if 0 <= choice < len(product_list): product_name = product_list[choice][0] product_price = product_list[choice][1] else: print(\'超出编号范围\') continue else: print(\'输入非法\') continue product_count = input(\'输入购买数量:\').strip() if product_count.isdigit(): product_count = int(product_count) else: print(\'输入非法\') for name in shopping_cart: if name == product_name: shopping_cart[product_name][\'count\'] += product_count break else: shopping_cart[product_name] = {\'price\':product_price,\'count\':product_count} cmd = input(\'结账:Y/y 任意键继续>>: \').strip() if cmd == \'y\' or cmd == \'Y\': # name shopping_cart print(shopping_cart) flag,msg = shop.shop_interface(user_data[\'name\'],shopping_cart) if flag: print(msg) break else: print(msg) break else: print(shopping_cart) @common.auth def check_shopping_cart(): res = shop.check_cart_interface(user_data[\'name\']) for i in res: print(i) def logout(): user_data[\'name\'] = None func_dic = { \'1\':login, \'2\':register, \'3\':check_balance, \'4\':transfer, \'5\':repay, \'6\':withdraw, \'7\':check_records, \'8\':shopping, \'9\':check_shopping_cart, \'0\':logout } msg = \'\'\' 1 登录 2 注册 3 查看余额 4 转账 5 还款 6 提现 7 查看流水 8 购物 9 查看购买商品 0 退出当前用户 \'\'\' def run(): while True: print(msg) choice = input(\'选择功能>>: \').strip() if choice in func_dic: func_dic[choice]()
import os import json from conf import setting def select(name): user_path = os.path.join(setting.DB_PATH, \'%s.json\' % name) if os.path.exists(user_path): with open(user_path,encoding=\'utf-8\') as f: user_dic = json.load(f) return user_dic else: return False def update(user_dic): user_path = os.path.join(setting.DB_PATH, \'%s.json\' %user_dic[\'name\']) with open(user_path,\'wt\',encoding=\'utf-8\') as f: json.dump(user_dic,f) f.flush()
from db import db_handler from lib import common logger_bank = common.get_logger(\'bank\') def check_balance_interface(name): user_dic = db_handler.select(name) return \'%s 余额为：%s\' %(name,user_dic[\'account\']) def transfer_interface(from_user,to_user,account): to_user_dic = db_handler.select(to_user) from_user_dic = db_handler.select(from_user) if from_user != to_user: if to_user_dic: if account.isdigit(): account = int(account) if from_user_dic[\'account\'] >= account: from_user_dic[\'account\'] -= account to_user_dic[\'account\'] += account from_user_dic[\'bankflow\'].append(\'%s 转给 %s %s元\' % (from_user, to_user, account)) to_user_dic[\'bankflow\'].append(\'%s 收到 %s %s元\' % (to_user, from_user, account)) db_handler.update(from_user_dic) db_handler.update(to_user_dic) logger_bank.info(\'转账成功:%s 转给 %s %s元\' % (from_user, to_user, account)) return True,\'转账成功\' else: return False,\'余额不足\' else: return False,\'金额必须是整数\' else: return False,\'转入账户不存在\' else: return False,\'不能转给自己\' def repay_interface(name,account): user_dic = db_handler.select(name) if account.isdigit(): account = int(account) user_dic[\'account\'] += account user_dic[\'bankflow\'].append(\'%s 还款 %s\' %(name,account)) db_handler.update(user_dic) logger_bank.info(\'%s 还款 %s\' %(name,account)) return True,\'还款成功\' else: return False,\'还款金额必须是整数\' def withdraw_interface(name,account): user_dic = db_handler.select(name) if account.isdigit(): account = int(account) if user_dic[\'account\'] >= account: user_dic[\'account\'] -= account user_dic[\'bankflow\'].append(\'%s 取款 %s元\' %(name,account)) logger_bank.info(\'%s 取款 %s元\' %(name,account)) return True,\'取款成功\' else: return False,\'余额不足\' else: return False,\'取款金额必须是整数\' def check_records_interface(name): user_dic = db_handler.select(name) return user_dic[\'bankflow\']
from db import db_handler from lib import common logger_shop = common.get_logger(\'shop\') def shop_interface(name,cart): cost = 0 user_dic = db_handler.select(name) for v in cart.values(): cost += v[\'price\'] * v[\'count\'] if user_dic[\'account\'] >= cost: user_dic[\'account\'] -= cost user_dic[\'shopping_cart\'].append(\'%s 购物信息 %s\' %(name,cart)) db_handler.update(user_dic) logger_shop.info(\'%s 购物信息 %s\' %(name,cart)) return True,\'购物完成\' else: return False,\'余额不足\' def check_cart_interface(name): user_dic = db_handler.select(name) return user_dic[\'shopping_cart\']
import os from conf import setting from db import db_handler from lib import common from core import src logger_user = common.get_logger(\'user\') def get_userinfo_interface(name): user_dic = db_handler.select(name) return user_dic def register_interface(name,pwd,account=15000): user_dic = {\'name\': name, \'pwd\': pwd, \'locked\': False, \'account\': account, \'creidt\': account, \'bankflow\': [], \'shopping_cart\': []} db_handler.update(user_dic) logger_user.info(\'%s 注册成功\' %name) return \'注册成功\' def lock_user_interface(name): user_dic = db_handler.select(name) user_dic[\'locked\'] = True db_handler.update(user_dic) logger_user.info(\'%s 被锁定\' %name) return \'错误3次，锁定用户\'
import os from conf import setting from db import db_handler from lib import common from core import src logger_user = common.get_logger(\'user\') def get_userinfo_interface(name): user_dic = db_handler.select(name) return user_dic def register_interface(name,pwd,account=15000): user_dic = {\'name\': name, \'pwd\': pwd, \'locked\': False, \'account\': account, \'creidt\': account, \'bankflow\'VSCode自定义代码片段——CSS选择器