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(user_name):
19 print('您的用户 %s 已被锁定！' % user_name)
20 with open(locked_file, 'a') as deny_f:
21 deny_f.write('\n' + user_name)
22
23 def main():
24 retry_count = 0
25 retry_limit = 3
26 while retry_count < retry_limit:
27 user_name = input('\033[32;1m请输入用户名:\033[0m')
28 #判断用户名是否为空
29 if len(user_name) == 0:
30 print('用户名不能为空，请重新输入！')
31 continue
32 #判断用户名是否被锁定
33 with open(locked_file, 'r') as lock_f:
34 for line in lock_f:
35 if len(line.strip()) == 0:
36 continue
37 if user_name == line.strip(): #strip()去掉两侧的空格和\n
38 sys.exit('\033[32;1m用户 %s 已经被锁定！\033[0m' % user_name)
39 #判断密码是否为空
40 while True:
41 password = input('\033[32;1m请输入密码:\033[0m')
42 if len(password) == 0:
43 print('密码不能为空，请重新输入！')
44 continue
45 else:
46 break
47 #判断用户名和密码是否相符
48 with open(account_file, 'r') as account_f:
49 flag = False
50 for line in account_f:
51 #跳过空行
52 if len(line.strip()) == 0:
53 continue
54 user, pawd = line.strip().split()
55 if user_name == user and password == pawd:
56 print('success!')
57 flag = True
58 break
59 #判断错误次数是否超过3次
60 if flag == False:
61 if retry_count < 2:
62 print('您的用户名或密码有误，请重新输入！')
63 retry_count += 1
64 continue
65 else:
66 print('欢迎用户%s登陆老男孩系统！' % user_name)
67 break
68 else:
69 deny_account(user_name)
70
71 if __name__ == '__main__':
72 main()
