day1_作业(账户登录检测)

#!/usr/local/bin/python3
# -*- coding:utf-8 -*-
f=open('/users/zhangyu/PycharmProjects/s14/day1/Homework_day1/name_password','r+')#'r+'代表可读可写
g=open('/users/zhangyu/PycharmProjects/s14/day1/Homework_day1/Account_lock','r+')#'r+'代表可读可写
a=0
while a<3:
    name= input('Input your name please!')
    lock_name= g.readline()
    for x in f:
        if name==x.strip() and name!=lock_name:
            print('Hello!',name)
            password=input('now,please input your password:')
            d=f.readline()#读取当前行的下一行
            if password==d.strip():#strip()方法,删除字符串中的空格/换行等符号
                print('Welcome!',name)
            break
        if name==lock_name:
            print('your account:',name,'has been locked!')
            break
    a+=1
    if name==x.strip():
        break
    print('incorrect input!please input again')
    f.seek(0)#将文件指针置0,以便x重新遍历文件f
    g.seek(0)
else:
    print('Sorry!your account will be locked')
    g.write(name)#3次错误后将账户名b写入lock文件g
'''
---------------------------------------------
尚未实现的功能:
    1.Account_lock文件一次只能存入一个账户名称,第四行 将'r+'改为'a+',虽然实现了换行存入,但又不能识别多个名称(问题2)
    2.识别账户是否锁定,每次只能识别一个,用name!=(m.strip() for m in g)无法实现,不知道原因
---------------------------------------------
'''

  

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转载自www.cnblogs.com/octopuszy/p/8944755.html
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