py作业1

柔光的暖阳◎ 2021-09-30 03:30 324阅读 0赞

[Python作业模拟登陆(第一周)][Python]

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

思路：

1. 用户名密码文件为passwd,锁定用户文件为lock

2. 用户输入账号密码采用input输入，分割passwd文件出user,passwd字段并比较input的user和passwd

3.当用户三次输入错误后将input user写入到lock文件，读取时判断是否在lock文件中存在

4.提前准备写acc.json文件，将用户名密码预先保存在里面

流程图

![1721305-20190714112806578-1072371081.png][]

![ContractedBlock.gif][] ![ExpandedBlockStart.gif][]

import logger,auth
    import time
    
    access_logger = logger.logger('access')
    menu = u'''
    =========Welcome My System=======
    please input your username and password
    '''
    menu1=u'''
    =========gogogo========
    your password is right!
    '''
    
    time_ci=0
    while time_ci<3:
        print(menu)
        us_er=input('username>>:')
        who_us=auth.test_user(us_er)
        if who_us:
            us_pass=input('password>>:')
            who_pass=auth.test_pass(us_er,us_pass)
            if who_pass:
                print(menu1)
                break
            else:
                access_logger.error('password is Worng,your only have %d changes '%(3-time_ci))
                time_ci+=1
                time.sleep(5)
        else:
            access_logger.error('username is Worng,your only have %d changes '%(3-time_ci))
            time_ci+=1
            time.sleep(5)
    else:
        print('Game over!!!')

main.py

![ContractedBlock.gif][] ![ExpandedBlockStart.gif][]

import logging
    
    def logger(logger_name):
        logger=logging.getLogger()
        ch=logging.StreamHandler()
        fh = logging.FileHandler(logger_name)
        formatter=logging.Formatter('%(asctime)s-%(name)s-(levelname)s-%(message)s')
        ch.setFormatter(formatter)
        fh.setFormatter(formatter)
        logger.addHandler(ch)
        logger.addHandler(fh)
        return logger

logger.py

![ContractedBlock.gif][] ![ExpandedBlockStart.gif][]

import json
    
    def db_ob():
        f=open('acc.json','r')
        data=f.read()
        f.close()
        return data
    
    def test_user(name):
        data=db_ob()
        data=json.loads(data)
        if name in data:
            return True
    def test_pass(name,pswd):
        data=db_ob()
        data=json.loads(data)
        if pswd==data[name]:
            return True

auth.py

转载于:https://www.cnblogs.com/westwind01/p/11183596.html

[Python]: https://www.cnblogs.com/sean-yao/p/7679248.html
[1721305-20190714112806578-1072371081.png]: /images/20210725/d1abfdfd1c204e638a047d9cd33366e5.png
[ContractedBlock.gif]: https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif
[ExpandedBlockStart.gif]: /images/20210725/05399d90edb4439891ab7611d374526f.png