模拟登陆：1. 用户输入帐号密码进行登陆2. 用户信息保存在文件内3. 用户密码输入错误三次后锁定用户
#! /usr/bin/env python# -*- coding: utf-8 -*-# __author__ = "macel"# Date: 2017/4/27with open('userdata.txt', 'r') as data,open('lock.txt', 'r') as locked: flag = False List= [] while flag == False : username = input('please input your username:') #将光标放到data的开始位置 data.seek(0) for line in data: if line.strip().split(':')[0] == username: flag = True count = 0 while flag: locked.seek(0) for line in locked: if line.strip() == username: print('sorry,your accout has been locked!') exit() data.seek(0) password = input('please input your password:') for line in data: name = line.strip().split(":")[0] passwd = line.strip().split(":")[1] List.append(username) if name==username and passwd==password : print('Welcome!') flag= False exit() elif name==username and passwd!=password : count += 1 if count==3: with open('lock.txt', 'a') as locked: locked.write(username) locked.write('\n') print('your account has been locked!') flag = False break else: print('wrong password,please try again!')
转载于:https://www.cnblogs.com/Macal/p/6854037.html
相关资源：JAVA上百实例源码以及开源项目