用户注册登录 和 数据写入文件的注册登录

# class User:
#     def __init__(self, username, password):
#         self.username = username
#         self.password = password
#
#
# class Account:
#     def __init__(self):
#         self.user_list = [] # 目的是存储用户信息
#
#     def login(self):
#         for i in range(3):
#             uname = input(">>>")
#             upwd = input(">>>")
#             for u in self.user_list:
#                 if uname == u.username and upwd == u.password:
#                     print("登录成功")
#                     return
#             else:
#                 print("登录失败")
#
#     def regist(self):
#         uname = input(">>>")
#         upwd = input(">>>")
#         u = User(uname, upwd) # 创建用户
#         self.user_list.append(u) # 需要你们回去想办法. 屏蔽掉重复的用户
#
#     def run(self): # 运行
#         # 调用两次注册
#         self.regist() # 自己类中的方法互相调用. 用self调用
#         self.regist()  # 自己类中的方法互相调用. 用self调用
#         # 一次登录
#         self.login()
#
#
# # if __name__ == '__main__': # 当前py文件如果是启动文件. 执行这里的代码
# obj = Account()
# obj.run()






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# class User:
#     def __init__(self, username, password):
#         self.username = username
#         self.password = password
#
#
# class Account:
#     def __init__(self):
#         # self.user_list = [] # 目的是存储用户信息
#         pass
#
#     def login(self):
#         for i in range(3):
#             uname = input("登录用户名>>>")
#             upwd = input("登录密码>>>")
#
#             f = open("info", mode="r", encoding="utf-8")
#             for line in f:
#                 lst = line.strip().split("$@@$") # ["wusir", "123"]
#                 u = User(lst[0], lst[1])
#                 if uname == u.username and upwd == u.password:
#                     print("登录成功")
#                     return
#             else:
#                 print("登录失败")
#
#     def regist(self):
#         uname = input("注册用户名>>>")
#         upwd = input("注册密码>>>")
#         u = User(uname, upwd) # 创建用户
#         # 把用户写入到文件中
#         f = open("info", mode="a", encoding="utf-8")
#         f.write(u.username+"$@@$"+u.password+"\n")
#         f.flush()
#         f.close()
#
#     def run(self): # 运行
#         # 调用两次注册
#         self.regist() # 自己类中的方法互相调用. 用self调用
#         self.regist()  # 自己类中的方法互相调用. 用self调用
#         # 一次登录
#         self.login()
#
#
# # if __name__ == '__main__': # 当前py文件如果是启动文件. 执行这里的代码
# obj = Account()
# obj.run()
#