2020-6-29-Python3-day1作业

 1 # -*- coding:utf-8 -*-
 2 __author__ = 'admin'
 3 '''
 4 locked.txt:
 5 liuxiaoyu
 6 xiaodong
 7 tenglan
 8 match.txt:
 9 alex 123456
10 xiaoyu 6543210
11 wulongyuan 6667770
12 '''
13 import sys
14 
15 account_file = 'c:\python作业\day1\match.txt'
16 locked_file = 'c:\python作业\day1\locked.txt'
17 
18 def deny_account(username):
19     print('您的用户已被锁定！')
20     with open(locked_file, 'a') as deny_f:
21         deny_f.write('\n' + username)
22 
23 def main():
24     retry_count = 0
25     retry_limit = 3
26     while retry_count < retry_limit:
27         username = input('\033[32;1m请输入用户名:\033[0m')
28         if len(username) == 0:
29             print('用户名不能为空，请重新输入！')
30             continue
31         with open(locked_file, 'r') as lock_f:
32             for line in lock_f.readlines():
33                 if username == line.strip():
34                     sys.exit('\033[32;1m用户 %s 已经被锁定！\033[0m' % username)
35 
36 
37         while True:
38             password = input('\033[32;1m请输入密码:\033[0m')
39             if len(password) == 0:
40                 print('密码不能为空，请重新输入！')
41                 continue
42             else:
43                 break
44         with open(account_file, 'r') as account_f:
45             flag = False
46             for line in account_f.readlines():
47                 if len(line.strip()) == 0:
48                     continue
49                 user, pawd = line.strip().split()
50                 if username == user and password == pawd:
51                     print('success!')
52                     flag = True
53                     break
54         if flag == False:
55             if retry_count < 2:
56                 print('您的用户名或密码有误，请重新输入！')
57             retry_count += 1
58         else:
59             print('欢迎用户%s登陆老男孩系统！' % username)
60             break
61     else:
62         deny_account(username)
63 
64 if __name__ == '__main__':
65     main()