python输错三次密码锁定_Python实现账号密码输错三次即锁定功能简单示例

本文实例讲述了Python实现账号密码输错三次即锁定功能。分享给大家供大家参考，具体如下：

初学Python—1

#实现账号输错三次即锁定

user = "hubery"

passwd = "123"

confirm = 0

lock=0

fileOpen = open("username.txt","a+")

fileOpen.seek(0)

for i in range(3):

username = input("username:")

passsword = input("password:")

for line in fileOpen.readlines():

if username == line.strip():

print("账户已经锁定！")

lock=1

break

else:

continue

fileOpen.seek(0)

if user == username and lock ==0:

if passwd == passsword:

print("欢迎，欢迎！")

confirm = 1

break

else:

print("账号户或者密码错误！")

continue

elif lock==1:

continue

else:

print("1账号或者密码错误！")

continue

fileOpen.close()

if confirm == 0 and lock==0:

fileWrite=open("username.txt","a")

fileWrite.write(username+"n")

fileWrite.close()

基本功能可以实现；

锁定的账号为第三次输错的用户名(待完善)

以下为完善版本，如有错误，请告知

import os

user = "hubery"

passwd = "123"

count = 0

lock = 0

fileOpen = open("username.txt", "a+")

fileOpen.seek(0)

while 1:

for i in range(5):

username = input("username:")

passsword = input("password:")

for line in fileOpen.readlines():

if username == line.strip():

print("账户已经锁定！")

lock = 1

break

else:

continue

fileOpen.seek(0)

if user == username:

if lock == 1:

continue

elif passsword == passwd:

print("欢迎，欢迎！")

os._exit(0)

elif count < 2:

print("账号或者密码错误！")

count += 1

continue

else:

fileOpen.write(username + "n")

fileOpen.flush()

print("密码输入错误超过三次，账户已经锁定！")

fileOpen.seek(0)

continue

else:

print("账号密码错误！")

continue

check=input("还想验证其他账户？(yes-继续，no-退出)")

if "no"==check.lower():

os._exit(0)

else:

continue

fileOpen.close()

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