#! /usr/bin/env/python3 # -*- coding: utf-8 -*-#編寫登錄接口，輸入正確顯示歡迎信息，連續三次輸入錯誤則鎖定class login(object):def __init__(self):self._database_name='log_usrdata.db'self._lockfile_name='log_usrlock.db'self.usrdata=[]self.lockusr=[]self._ncount=3self.initial()#內部初始化操作def initial(self):self.loaddata()#用戶執行登錄操作def usrlog(self,name,password):for cur_name in self.get_lockusr():if name==cur_name:print('%s, you are locked. Please retry 30min later.'% name)exit()while self._ncount>0:cur_check = self.check_usr(name, password)if cur_check==0:print('No data.Can\'t login.\nPlease register at first.')breakelif cur_check==1:print('Welcome back %s!'% name)breakelse :self._ncount-=1print('You have a wrong usrname or password. Please check it.')if self._ncount==0:self.set_lockusr(name)breakname=input('Please input your name:')password=input('Please input your password:')#讀取用戶數據def loaddata(self):with open('log_usrdata.db') as f:for line in f.readlines():self.usrdata.append(line.split())with open('log_usrlock.db') as f:for line in f.readlines():self.lockusr.append(line)#新用戶注冊def register(self,name,password):if self.get_usrdata()==[]:self.loaddata()with open('log_usrdata.db') as f:f.writelines([str(name),str(password)])#返回用戶數據def get_usrdata(self):return self.usrdata#返回鎖定用戶def get_lockusr(self):return self.lockusr#設定鎖定用戶def set_lockusr(self,name):with open('log_usrlock.db','w') as f:f.writelines(str(name))print('%s, you are locked. Please retry 30min later.'% name)#檢查用戶名文件是否為空def check_file(self):cur_usrdata=self.get_usrdata()if cur_usrdata==[]:self.loaddata()cur_usrdata=self.get_usrdata()#用戶為空文件if cur_usrdata==[]:return 1else:return 0#檢查用戶與密碼def check_usr(self,name,password):if self.check_file():return 0for data in self.get_usrdata():if data[0]==str(name) and data[1]==str(password):return 1elif data[0]==str(name) and data[1]!=str(password):return 2else:return 3 mylog=login() mylog.usrlog('test123','test1')

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轉載于:https://www.cnblogs.com/Franklin-Kite/p/7425332.html

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