python文件调用小练习——用户登录及锁定

Posted 2020-10-25 asa-zsc-7

 1 # -*- coding: utf-8 -*-
 2 ‘‘‘
 3  --------------------------------------------
 4 已有功能：输入用户名密码;认证成功后显示欢迎信息;输错三次后永久锁定
 5 待以后添加：定时解锁；使用数据库等大量存储用户并调用
 6  --------------------------------------------
 7  ‘‘‘
 8 username = ‘AAA‘
 9 password = ‘aaa‘
10 
11 def userLock():
12     try_times = 0
13     while try_times < 3:
14         usernameInput = input(‘用户名：‘)
15         if usernameInput == username:
16             with open(‘userLock‘,‘r‘,encoding=‘utf-8‘) as userLock_file:
17                 if usernameInput in userLock_file:
18                     print("用户%s已被锁定，请联系客服（客服电话：10086）！" % usernameInput)
19                     return 0
20                 else:
21                     times = 0
22                     while times < 3:
23                         passwordInput = input(‘密  码：‘)
24                         if passwordInput == password:
25                             print("%s,感谢您的登录！\n\t欢迎！" % username)
26                             return 0
27                         else:
28                             print("密码输入错误！请重新输入！")
29                             times += 1
30                     else:
31                         with open(‘userLock‘,‘r+‘,encoding=‘utf-8‘) as fileUserLock:
32                             fileUserLock.write(usernameInput)
33                         print("用户已锁定，请联系客服（客服电话：10086）！")
34                         return 0
35         else:
36             print("无效的用户名！")
37             try_times += 1
38 
39 
40 userLock()