fileRead() 文件讀取

FileWrite()文件寫入

FileModify()文件修改

Register()注冊

Login()登陸

來實現(xiàn)整個功能的，話不多說直接上代碼了

#!/usr/bin/env python# -*- coding:utf-8 -*-# Author: linghanchujian"""
 實現(xiàn)一個登陸注冊功能
 提示是否擁有賬號 有跳轉(zhuǎn)登陸 沒有跳轉(zhuǎn)注冊
 注冊 
 檢查文件中是否有相同的賬號名
 注冊成功后跳轉(zhuǎn)到登陸
 登陸
 輸入用戶名和密碼
 認證成功后顯示歡迎登陸
 三次失敗是鎖定賬號"""import osimport jsonimport getpass

DATAJSON = '' #臨時用來存放數(shù)據(jù)"""文件的讀取"""def FileRead():
 LoginAndRegistrationData = open("G:/Data.txt","r")if os.path.getsize("G:/Data.txt")!= 0:global DATAJSON # 全局變量DATAJSON = json.loads(LoginAndRegistrationData.read())# DATAJSON = LoginAndRegistrationData.read()# print(DATAJSON) LoginAndRegistrationData.close()pass"""文件的寫入"""def FileWrite(DATAJSON,userName,passWord):"""直接打開一個txt文件沒有就創(chuàng)建Data文件"""LoginAndRegistrationData = open("G:/Data.txt", "w")
 Subscript = 1if DATAJSON != '':for d in DATAJSON:
 Subscript += 1DATAJSON["User"+str(Subscript)] = {"UserName":userName,"Password":passWord,"isLocking":False}else:
 DATAJSON = {"User1":{"UserName":userName,"Password":passWord,"isLocking":False}}
 JsonData = json.dumps(DATAJSON, ensure_ascii=False)
 LoginAndRegistrationData.write(JsonData)
 LoginAndRegistrationData.close()# print(Subscript)pass"""文件的修改"""def FileModify(n):# 對文件進行修改DATAJSON[str(n)]["isLocking"] = True# 對文件進行儲存LoginAndRegistrationData = open("G:/Data.txt", "w")
 JsonData = json.dumps(DATAJSON, ensure_ascii=False)
 LoginAndRegistrationData.write(JsonData)
 LoginAndRegistrationData.close()pass"""注冊程序"""def Register():print("------------歡迎來注冊!!---------")
 RegisterUserName = input("注冊賬號:")if DATAJSON != '':for d in DATAJSON:if DATAJSON[d]["UserName"]==RegisterUserName:print("該賬號已被注冊!!!")
 Register()return ;
 RegisterPassWord = input("注冊密碼:")try:
 FileWrite(DATAJSON,RegisterUserName,RegisterPassWord)finally:print("注冊成功!!")
 Login()pass"""登陸程序"""def Login():print("------------歡迎來到登陸!!-----------")
 isUserName = True
 LoginUser = input("賬號:")for d in DATAJSON:# print(d)# print(DATAJSON[d]["UserName"]+"and"+LoginUser)if LoginUser == DATAJSON[d]["UserName"]:
 isUserName = Falseif DATAJSON[d]["isLocking"]==True:print("該賬號已被鎖定,請更換賬號!!")
 Login()returnelse:for i in range(3):if i>0:print("密碼錯誤你還有"+str(3-i)+"次機會")
 LoginPassword = input("密碼:")if DATAJSON[d]["Password"]==LoginPassword:print("登陸成功!!")returnelse:if i == 2:print("三次機會用完，該賬號已被鎖定!!")
 FileModify(d)
 Login()else:if isUserName:print("沒有該賬號!!")
 Login()passFileRead()print(DATAJSON)
YesAndNo = input("是否擁有賬號？y/n
")if YesAndNo == 'y':
 Login()elif YesAndNo == 'n':
 Register()else:print("謝謝你的使用!!")
 exit()