用户登陆

程序需求：

1）输入用户名密码

2）认证成功后显示欢迎信息

3）输错三次后锁定 

 1 #!/usr/local/bin/python3
 2 # Author: Jonas Mao
 3 
 4 import os
 5 import sys
 6 import getpass
 7 
 8 count = 0
 9 os.system('clear')
10 
11 while count < 3:
12     username = input('请输入用户名：').strip()
13     lock_file = open('lock_list', 'r+')
14 
15     for lock in lock_file.readlines():
16         lock = lock.strip()
17         if username == lock:
18             sys.exit('\033[31;1m%s已经锁定,请联系系统管理员!\033[0m' % username)
19 
20     password = getpass.getpass('请输入您的密码：').strip()
21     user_file = open('user_list','r+')
22     flag = False
23 
24     for i in user_file.readlines():
25         user,passwd = i.strip('\n').split()
26         if username == user and password == passwd:
27             print('\033[32;1m欢迎用户%s登录系统!\033[0m' % username)
28             flag = True
29             user_file.close()
30             sys.exit()
31     if flag == False:
32         print('\033[31;1m用户或密码错误!\033[0m')
33         count += 1
34 else:
35     lock_file = open('lock_list', 'r+')
36     lock_file.write(username+'\n')
37     lock_file.close()
38     sys.exit('\033[31;1m%s已经锁定,请联系管理员!\033[0m' % username)
View Code
 1 #!/usr/local/bin/python3
 2 # Author: Jonas Mao
 3 
 4 import os
 5 import sys
 6 import getpass
 7 
 8 count = 0
 9 os.system('clear')
10 
11 while count < 3:
12     username = input('请输入用户名：').strip()
13     lock_file = open('lock_list', 'r+')
14 
15     for lock in lock_file.readlines():
16         lock = lock.strip()
17         if username == lock:
18             sys.exit('\033[31;1m%s已经锁定,请联系系统管理员!\033[0m' % username)
19 
20     password = input('请输入密码:').strip()
21     user_file = open('user_list','r+')
22     flag = False
23 
24     for i in user_file.readlines():
25         user,passwd = i.strip('\n').split()
26         if username == user and password == passwd:
27             flag = True
28             break
29     user_file.close()
30 
31     if flag == False:
32         print('\033[31;1m用户或密码错误!\033[0m')
33         count += 1
34     else:
35         print('\033[32;1m欢迎用户%s登录系统!\033[0m' % username)
36         sys.exit()
37 else:
38     lock_file = open('lock_list', 'r+')
39     lock_file.write(username+'\n')
40     lock_file.close()
41     sys.exit('\033[31;1m%s已经锁定,请联系管理员!\033[0m' % username)
View Code
posted @ 2017-12-27 00:04  Jonas.Mao  阅读(190)  评论(0)    收藏  举报