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python程式設計超市購物系統_python面向過程程式設計小程式- 模拟超市收銀系統

6.16自我總結

功能介紹程式功能介紹:

商品資訊再讀取修改買賣均已xlsx格式

且生成購物記錄也按/使用者名/購買時間.xlsx格式生成

賬号密碼輸入錯誤三次按照時間進行當機

使用者資訊已json格式儲存

程式寫的過程

先生成功能子產品和運作子產品

再寫功能子產品中用到的固定的檔案目錄全放在setting.py檔案中

與商品互動全放在shop.py中

與使用者互動全放在user.py中

一些傳回界面延遲動畫全放在輔助子產品中

1.程式設計目錄

思路生成xlsx文檔就要導入pands子產品

使用者資訊用josn儲存導入json子產品

把路徑什麼通用不變的丢入setting中

把所有檔案存取丢入接口層中api中

其他增減根據功能來

一些通用的方法可以全部放入common中

2.run.pyfrom core.src import run

if __name__ == '__main__':

run()

3.src.pyfrom conf.setting import *

from lib.common import *

from api.user import *

from api.shop import *

import re

import numpy as np

goods_count = [1]

#注冊

def register():

print('\033[47;;m\t\t歡迎使用注冊功能\t\t\033[0m')

count = 0

while count == 0:

register_name = input('請輸入名字按Q退出程式\n'

'\033[31;;m賬号由漢字,字母,數字,下劃線組成\033[0m'

'\n請輸入:')

if register_name == 'Q':

go_to_run()

return False

if decide_user_name(register_name):

print('\033[31;;m賬号存在\033[0m')

continue

register_name_1 = re.findall('\w+',register_name)

if len(register_name) == 0:

print('\033[31;;m請好好輸入\033[0m')

continue

elif register_name_1[0] != register_name:

print('\033[31;;m賬号由漢字,字母,數字,下劃線組成\033[0m')

continue

else:

count =1

while True:

register_pwd = input('請輸入密碼按Q退出程式\n'

'\033[31;;m密碼由漢字,字母,數字,下劃線組成\033[0m\n'

'請輸入')

if register_pwd == 'Q':

go_to_run()

return False

register_pwd_1 = re.findall('\w+', register_pwd)

if len(register_pwd) == 0:

print('\033[31;;m請好好輸入\033[0m')

continue

elif register_pwd_1[0] != register_pwd:

print('\033[31;;m密碼由漢字,字母,數字,下劃線組成\033[0m')

continue

else:

save_info(register_name, register_pwd)

print('\033[32;;m注冊成功\033[0m')

go_to_run()

return True

#登入

def login():

print('\033[47;;m\t\t歡迎使用登入功能\t\t\033[0m')

if not LOGIN_NAME[0]:

pwd_count =0

login_count = 0

while login_count==0:

login_name = input('請輸入名字按Q退出程式\n請輸入:')

if login_name == 'Q':

go_to_run()

return False

if not decide_user_name(login_name):

print('\033[31;;m賬号不存在\033[0m')

continue

if not load_freeze_user(login_name):

go_to_run()

return False

else:

login_count = 1

while pwd_count<3:

login_pwd = input('\033[41;;m請輸入密碼輸錯三次會被當機五分鐘\033[0m\n請輸入:')

if not load_info(login_name,login_pwd):

pwd_count +=1

print(f'\033[31;;m還有{3-pwd_count}次機會\033[0m')

continue

else:

print('\033[32;;m登入成功\033[0m')

LOGIN_NAME[0] = login_name

go_to_run()

return True

if pwd_count == 3:

freeze_user(login_name)

print(f'\033[31;;m賬号{login_name}由于密碼輸入太多次暫時被當機\033[0m')

go_to_run()

return False

else:

print(f'\033[32;;m賬号{LOGIN_NAME[0]}以及登入')

login_chiose = input('輸入0為退出目前程式\n'

'輸入1為退出目前賬号重新登入\n'

'輸入2為退出目前賬号并退出程式\n'

'請選擇:')

if login_chiose not in ['0','1','2']:

print('\033[31;;m請好好輸入\033[0m')

elif login_chiose == '0':

go_to_run()

return False

elif login_chiose == '1':

df = load_goods_pach()

dump_goods(df)

LOGIN_NAME[0] = None

login()

elif login_chiose == '2':

df = load_goods_pach()

dump_goods(df)

LOGIN_NAME[0] = None

print('\033[41;;m賬号以退出\033[0m')

go_to_run()

return False

#充值

@login_deco

def top_up():

print('\033[47;;m\t\t歡迎使用充值功能\t\t\033[0m')

while True:

chiose = input('請輸入充值金額\n輸入Q退出功能\n請輸入')

if chiose == 'Q':

go_to_run()

return False

elif not chiose.isdigit():

print('\033[31;;m請輸入阿拉伯數字\033[0m')

continue

else:

info = load_login_info(LOGIN_NAME[0])

info["balance"] += int(chiose)

dump_login_info(LOGIN_NAME[0],info)

print(f'\033[42;;m賬号{LOGIN_NAME[0]}充值成功\n目前餘額{info["balance"]}元\033[0m')

go_to_run()

return True

#餘額查詢

@login_deco

def balance():

print('\033[47;;m\t\t歡迎使用餘額查詢功能\t\t\033[0m')

info = load_login_info(LOGIN_NAME[0])

print(f'\033[42;;m賬号{LOGIN_NAME[0]}\n目前餘額{info["balance"]}\033[0m')

go_to_run()

return True

#提現

@login_deco

def withdraw():

print('\033[47;;m\t\t歡迎使用提現功能\t\t\033[0m')

while True:

chiose = input('\033[32;;m請輸入提現金額\n輸入Q退出功能\n請輸入')

if chiose == 'Q':

go_to_run()

return False

elif not chiose.isdigit():

print('\033[31;;m請輸入阿拉伯數字\033[0m')

continue

else:

info = load_login_info(LOGIN_NAME[0])

if info["balance"] < int(chiose):

print('\033[31;;m餘額不足\033[0m')

continue

info["balance"] -= int(chiose)

dump_login_info(LOGIN_NAME[0],info)

print(f'\033[41;;m賬号{LOGIN_NAME[0]}提現成功\n目前餘額{info["balance"]}元\033[0m')

go_to_run()

return True

#轉賬

@login_deco

def transfer():

print('\033[47;;m\t\t歡迎使用轉賬功能\t\t\033[0m')

count = 0

while count ==0:

chiose = input('\033[32;;m請輸入轉賬金額\n輸入Q退出功能\n請輸入')

if chiose == 'Q':

go_to_run()

return False

elif not chiose.isdigit():

print('\033[31;;m[請輸入阿拉伯數字\033[0m')

continue

else:

info = load_login_info(LOGIN_NAME[0])

if info["balance"] < int(chiose):

print('\033[31;;m餘額不足\033[0m')

continue

info["balance"] -= int(chiose)

while True:

count =1

transfer_name = input('\033[32;;m轉賬的名字\n輸入Q退出')

if transfer_name == 'Q':

go_to_run()

return False

if not decide_user_name(transfer_name):

print('\033[31;;m轉賬賬号不存在\033[0m')

continue

if LOGIN_NAME[0] == transfer_name:

print('\033[31;;m不能轉給自己\033[0m')

continue

transfer_name_info = load_login_info(transfer_name)

transfer_name_info["balance"] += int(chiose)

dump_login_info(transfer_name, transfer_name_info)

dump_login_info(LOGIN_NAME[0], info)

print(f'\033[42;;m賬号{LOGIN_NAME[0]}轉賬成功\n目前餘額{info["balance"]}元\033[0m')

go_to_run()

return True

#流水

@login_deco

def user_history():

print('\033[47;;m\t\t歡迎使用流水功能\t\t\033[0m')

if not history(LOGIN_NAME[0]):

print('\033[31;;m沒有購買記錄\033[0m')

go_to_run()

return False

while True:

date_lis = show_history(LOGIN_NAME[0])

chiose = input('\033[32;;m請輸入你要檢視的日期\n'

'輸入Q退出')

if chiose not in date_lis:

print('\033[31;;m沒有日期\033[0m')

continue

print(f'{chiose}')

print(load_goods_history(LOGIN_NAME[0],chiose))

history_count = 0

while history_count == 0:

next_chiose = input('\033[32;;m請輸入Y繼續檢視的日期\n'

'輸入Q退出\n'

'請輸入')

if next_chiose not in ('Y','Q'):

print('\033[31;;m請好好輸入\033[0m')

elif next_chiose == 'Y':

history_count =1

elif next_chiose =='Q':

go_to_run()

return False

#購物

@login_deco

def shopping():

count = 0

chiose_count =0

print('\033[47;;m\t\t歡迎使用購物功能\t\t\033[0m')

global goods_count

while count == 0:

if not goods_count[0]:

df = load_goods()

print('\t\t\t商品目錄')

print(f'\033[35;36;m{df}\033[0m')

else:

df = load_goods_pach()

print('\t\t\t商品目錄')

print(f'\033[35;36;m{df}\033[0m')

goods = input('\033[32;;m請選擇你的商品\n'

'輸入Q退出\n'

'請選擇')

goods_list = df.columns

if goods == 'Q':

go_to_run()

return False

elif goods not in goods_list:

print('\033[31;;m無此商品\033[0m')

continue

else:

chiose_count =0

while chiose_count == 0:

num = input('\033[32;;m請選擇你的商品數量\n'

'輸入Q退出\n'

'請選擇')

goods_num = df[goods]['數量']

if goods == 'Q':

go_to_run()

return False

elif not num.isdigit():

print('\033[31;;m請輸入數字\033[0m')

continue

elif int(goods_num)

print('\033[31;;m庫存不足\033[0m')

else:

df[goods]['數量'] -= int(num)

goods_num = int(num)

dump_goods_pach(df)

print(f'\033[42;;m你把{goods}{num}個加入購物車\033[0m')

while chiose_count == 0:

chiose =input('\033[32;;m是否繼續購物\n'

'Y是繼續,N是退出\n'

'請選擇')

if chiose not in ['Y','N']:

print('\033[31;;m請好好輸入\033[0m')

continue

if chiose == 'N':

goods_count[0] = 1

go_to_run()

return True

if chiose == 'Y':

chiose_count = 1

goods_count[0] = 1

pass

#購物車

@login_deco

def shopping_car():

print('\033[47;;m\t\t歡迎使用購物車功能\t\t\033[0m')

global goods_count

if not goods_count[0]:

print('\033[31;;m購物車無商品\033[0m')

else:

df_1 = load_goods()

df_2 = load_goods_pach()

df = df_1 - df_2

print('-'*50)

print('\t\t\t購物車目錄')

print(f'\033[35;36;m{df}\033[0m')

df_mun = df.values[1,:]

df_pice = df_1.values[0,:]

df_add = df_mun*df_pice

money = sum(df_add)

print(f'合計{money}元')

print('-' * 50)

while True:

chiose = input('\033[32;;m輸入Q退出程式\n'

'輸入0清空購物車并退出程式\n'

'輸入1結算\n'

'請選擇')

if chiose not in ['Q','0','1']:

print('\033[31;;m請好好輸入\033[0m')

continue

elif chiose == 'Q':

go_to_run()

return False

elif chiose == '0':

goods_count[0] = None

df_new = load_goods()

dump_goods_pach(df_new)

go_to_run()

return False

elif chiose == '1':

info = load_login_info(LOGIN_NAME[0])

if int(money) > info['balance']:

print('\033[31;;m餘額不足\033[0m')

continue

else:

print('\033[41;;m支付成功\033[0m')

info['balance'] -= int(money)

dump_login_info(LOGIN_NAME[0],info)

df_new = load_goods_pach()

dump_goods(df_new)

df_mun = df[1:2]

df_pice = df_1[0:1]

df = df.columns

new_df = df_pice.append(df_mun)

print(new_df)

time =time_strftime()

dump_goods_history(LOGIN_NAME[0],time,new_df)

go_to_run()

return True

#運作子產品

def run():

action_dict={

'0':register,

'1':login,

'2':top_up,

'3':balance,

'4':withdraw,

'5':transfer,

'6':user_history,

'7':shopping,

'8':shopping_car,

}

while True:

if LOGIN_NAME[0]:

print(f'你好{LOGIN_NAME[0]}')

for action_num,action in ACTION_INFO.items():

print(f'\033[35;;m\t\t輸入{action_num}功能為{action}\033[0m')

action_chiose = input('\033[32;;m請輸入你要選擇的功能:')

if action_chiose == 'Q':

print('退出程式')

return

if action_chiose not in action_dict:

print('\033[31;;m輸入錯誤\033[0m')

continue

action_dict[action_chiose]()

if __name__ == '__main__':

run()

3.common.pyfrom conf.setting import *

import time

def login_deco(func):

def wrapper(*args,**kwargs):

if not LOGIN_NAME[0]:

print('請先登入')

go_to_run()

return False

func()

return True

return wrapper

def go_to_run():

for a in range(20):

time.sleep(0.1)

txt = '\t\t傳回主界面中'

txt += '.'*int(a%4)

print('\r',f'\033[32;;m{txt}\033[0m',end='')

print('')

def time_now():

return time.time()

def time_strftime():

return str(time.strftime('%Y-%m-%d-%H-%M-%S'))

4.setting.pyimport os

import time

ACTION_INFO={

'0':'注冊',

'1':'登入',

'2':'充值',

'3':'餘額查詢',

'4':'提現',

'5':'轉賬',

'6':'購物曆史記錄',

'7':'購物',

'8':'購物車',

'Q' :'退出'

}

LOGIN_NAME = [None]

ATM_PATH = os.path.dirname(os.path.dirname(__file__))

USER_PATH = os.path.join(ATM_PATH,'db')

GOODS_PATH = os.path.join(ATM_PATH,'db','goods_info.xlsx')

GOODS_PATCH = os.path.join(ATM_PATH,'db','goods_info_patch.xlsx')

5.shop.py

(商品資訊存儲檔案與功能子產品的互動)import pandas as pd

from conf.setting import GOODS_PATH,GOODS_PATCH

import os

def dump_goods(df):

df.to_excel(GOODS_PATH)

def dump_goods_pach(df):

df.to_excel(GOODS_PATCH)

def load_goods():

df = pd.read_excel(GOODS_PATH,index_col=0,header=0)

return df

def load_goods_pach():

df = pd.read_excel(GOODS_PATCH,index_col=0,header=0)

return df

def dump_goods_history(name,time,df):

path_1 = os.path.join(r'E:\ATM\db', name)

path = os.path.join(r'E:\ATM\db',name,f'{time}.xlsx')

if not os.path.exists(path_1):

os.mkdir(path_1)

df.to_excel(path)

def load_goods_history(name,time):

path = os.path.join(r'E:\ATM\db', name, f'{time}.xlsx')

df = pd.read_excel(path,index_col=0,header=0)

return df

def show_history(name):

new_list =[]

path_1 = os.path.join(r'E:\ATM\db', name)

lis = os.listdir(path_1)

print('\033[46;;m提示:年-月-日-時-分-秒\033[0m')

for info in lis:

info = info[0:-5]

print(info)

new_list.append(info)

return new_list

def history(name):

path_1 = os.path.join(r'E:\ATM\db', name)

if os.path.exists(path_1):

return True

return False

if __name__ == '__main__':

df = load_goods_pach()

print(df)

6.user.py

(使用者資訊存儲檔案與功能子產品的互動)from conf.setting import *

import json

import hashlib

from lib.common import time_now

def save_info(user_name,pwd):

m = hashlib.md5()

m.update(pwd.encode('utf8'))

pwd =m.hexdigest()

user_path = os.path.join(USER_PATH, f'{user_name}.json')

with open(user_path,'w',encoding='utf8') as fw:

info_dict = {'name':user_name,'pwd':pwd,'freeze':time_now(),'balance':0,'freeze_count':0}

json.dump(info_dict,fw)

def load_info(user_name,pwd):

user_path = os.path.join(USER_PATH, f'{user_name}.json')

if not LOGIN_NAME[0]:

if not os.path.exists(user_path):

print('\033[31;;m使用者不存在\033[0m')

return False

m = hashlib.md5()

m.update(pwd.encode('utf8'))

pwd =m.hexdigest()

with open(user_path, 'r', encoding='utf8') as fr:

info_dict = json.load(fr)

if info_dict.get('pwd') != pwd:

print('\033[31;;m密碼錯誤\033[0m')

return False

with open(user_path, 'r', encoding='utf8') as fr:

info_dict = json.load(fr)

info_dict['freeze_count'] = 0

with open(user_path, 'w', encoding='utf8') as fw:

json.dump(info_dict,fw)

return info_dict

def decide_user_name(user_name):

user_path = os.path.join(USER_PATH, f'{user_name}.json')

if os.path.exists(user_path):

return True

return False

def freeze_user(user_name):

user_path = os.path.join(USER_PATH, f'{user_name}.json')

with open(user_path, 'r', encoding='utf8') as fr:

info_dict = json.load(fr)

info_dict['freeze_count'] += 1

info_dict['freeze'] = time_now() + 300*info_dict['freeze_count']

with open(user_path,'w',encoding='utf8') as fw:

json.dump(info_dict,fw)

def load_freeze_user(user_name):

user_path = os.path.join(USER_PATH, f'{user_name}.json')

with open(user_path, 'r', encoding='utf8') as fr:

dict = json.load(fr)

if time_now() >= dict['freeze'] :

print('\033[32;;m賬号登入成功\033[0m')

return True

else:

min = int(divmod(-time_now() + dict['freeze'], 60)[0])

s = int(divmod(-time_now() + dict['freeze'], 60)[1])

print(f'\033[31;;m賬号{user_name}已被當機,還需要{min}分{s}秒\033[0m')

return False

def load_login_info(name):

login_user_path = os.path.join(USER_PATH, f'{name}.json')

with open(login_user_path, 'r', encoding='utf8') as fr:

info_dict = json.load(fr)

return info_dict

def dump_login_info(name,dict):

login_user_path = os.path.join(USER_PATH, f'{name}.json')

with open(login_user_path, 'w', encoding='utf8') as fw:

json.dump(dict,fw)

return True

if __name__ == '__main__':

save_info('楊文益','12312')

dict = load_info('楊文益','12312')

print(dict['name'])

7.goods_info.xlsx/goods_info_patch.xlsx

蘋果香蕉西瓜荔枝梨價格231055

數量2002153432523