用户登录管理

Myth丶恋晨 2021-09-29 07:42 681阅读 0赞

1 # -*- coding:utf-8 -*-
     2 login_user = {
        'is_login': False}
     3 
     4 
     5 def register():
     6     user = input('请输入您的用户名：')
     7     file = open('text','r',encoding='utf-8')
     8     for line in file:
     9         line_list = line.strip().split(' ')
    10         if line_list[0] == user:
    11             print('该用户已存在，请使用其它用户名进行注册！')
    12             register()
    13     register2(user)
    14 
    15 
    16 def register2(user):
    17     pwd = input('请输入您的密码：')
    18     pwd_2 = input('请再次输入您的密码：')
    19     if pwd != pwd_2:
    20         print('两次密码输入不一致，请重新输入！')
    21         register2(user)
    22     register3(user, pwd)
    23 
    24 
    25 def register3(user, pwd):
    26     f = open('text','a',encoding='utf-8')
    27     f.write('\n' + user + ' ' + pwd)
    28     f.close()
    29     print('注册成功！')
    30     main()
    31 
    32 
    33 def login():
    34     user = input('请输入用户名：')
    35     pwd = input('请输入密码：')
    36     f = open('text','r')
    37     lines = f.readlines()
    38     for line in lines:
    39         line_list = line.strip().split(' ')
    40         if line_list[0] == user and line_list[1] == pwd:
    41             login_user['current_user'] = user
    42             login_user['current_pwd'] = pwd
    43             return True
    44     return False
    45 
    46 
    47 def manager():
    48     if login_user['is_login']:
    49         print('欢迎%s登陆！' % login_user['current_user'])
    50     else:
    51         print('请先登录！')
    52         main()
    53 
    54 
    55 def changepwd():
    56     if login_user['is_login']:
    57         login_user['new_pwd'] = input('请输入新密码：')
    58         delete()
    59         print('密码修改成功！')
    60     else:
    61         print('请先登录！')
    62         main()
    63 
    64 
    65 def delete():
    66     lines = open('text','r').readlines()
    67     for i in range(len(lines)):
    68         if login_user['current_user'] in lines[i]:
    69             lines[i] = lines[i].replace(login_user['current_user'] + ' ' + login_user['current_pwd'],login_user['current_user'] + ' ' + login_user['new_pwd'])
    70             open('text','w').writelines(lines)
    71 
    72 
    73 def main():
    74     while True:
    75         print('【1】.登陆   【2】.注册   【3】后台管理   【4】修改密码')
    76         choice = input('请输入序号进行登陆或注册：')
    77         if choice == '1':
    78             ret = login()
    79             if ret:
    80                 print("登陆成功！")
    81                 login_user['is_login'] = True
    82             else:
    83                 print("用户名或密码错误，请重新登陆！")
    84         if choice == '2':
    85             register()
    86         if choice == '3':
    87             manager()
    88         if choice == '4':
    89             changepwd()
    90 
    91 main()

转载于:https://www.cnblogs.com/mazhong/p/6567883.html