1 # Author:larlly
2 import sys,os
3
4 i = 0
5 while i < 3:
6 name = input("请输入用户名：")
7 lock_file = open('account_lock.txt','r+')
8 lock_list = lock_file.readlines()
9
10 for lock_line in lock_list:
11 lock_line = lock_line.strip('\n')
12 if name == lock_line:
13 sys.exit('用户 %s 已经被锁定，退出' % name)
14
15 user_file = open('account.txt','r')
16 user_list = user_file.readlines()
17 for user_line in user_list:
18 (user,password) = user_line.strip('\n').split()
19 if name == user:
20 j = 0
21 while j < 3:
22 passwd = input('请输入密码：')
23 if passwd == password:
24 print('欢迎登录，用户%s' % name)
25 sys.exit(0)
26 else:
27 if j < 2:
28 print('用户 %s 密码错误，请重新输入，还有 %d 次机会' % (name,2 - j))
29 j += 1
30 else:
31 lock_file.write(name + '\n')
32 sys.exit('用户 %s 达到最大登录次数，将被锁定并退出' % name)
33 else:
34 pass
35 else:
36 if i < 2:
37 print('用户 %s 不存在，请重新输入，还有 %d 次机会' % (name,2 - i))
38 i += 1
39 else:
40 sys.exit('用户 %s 不存在，退出' % name)
41
42 lock_file.close()
43 user_file.close()
