1 #！/usr/bin/env python
2 # -*- coding:utf-8 -*-
3
4
5 def login(username,password):
6 '''
7
8 :param username:用户名
9 :param password:密码
10 :return: True:登陆成功 False:登陆失败
11 '''
12 f = open('log','r',encoding='utf-8')
13 for line in f:
14 line = line.strip()
15 line_list = line.split('$')
16 if username ==line_list[0] and password ==line_list[1]:
17 print('success')
18 return True
19 return False
20
21 def register(username,password):
22 '''
23
24 :param username:
25 :param password:
26 :return:
27 '''
28 with open('log','a',encoding='utf-8') as f:
29 temp = '\n' + username + '$' + password
30 f.write(temp)
31 return True
32
33 def user_exit(username):
34 '''
35
36 :param username:
37 :return:
38 '''
39 with open('log','r',encoding='utf-8') as f:
40 for line in f:
41 line = line.strip()
42 line_list = line.split('$')
43 if line_list[0]==username:
44 return True
45 return False
46
47 def main():
48 print('欢迎登陆XX系统')
49 inp = input('1:登陆；2：注册')
50 user = input('user:')
51 pwd = input('pwd:')
52 if inp =='1':
53 is_login = login(user,pwd)
54 if is_login:
55 print('success')
56 else:
57 print('fail')
58 elif inp =='2':
59 is_exit = user_exit(user)
60 if is_exit:
61 print('already register')
62 else:
63 result = register(user,pwd)
64 if result:
65 print('register sucess')
66 else:
67 print('resgister faild')
68 main()
