根据用户输入的账号和密码，确认是否成功登录？若正确，提示“恭喜您，登录成功！”；若错误，提示“账号或密码输入错误，请重新输入！”；若错误输入超过3次，则提示“今天输入已经超过3次，请明天重试！”（测试数据为用户名：admin; 密码为：123admin）
'''管理员账号：king管理员密码：123king'''#登录账号import sysclass Logan(object):def __init__(self,account = None,code = None):self.account = str(input("请输入账号。"))self.code = str(input("请输入密码。"))self.check()def check(self):with open("b_2.text", 'r') as fp:fps = fp.readlines()for i in fps:if self.account == list(eval(i).keys())[0] and self.code == list(eval(i).values())[0]:print("登录成功！")breakself.Loader()def Loader(self):if self.account == 'king' and self.code == '123king':print('''您已经登录成功，可以进行一下操作：删除账号(管理员权限)请输入："删除账号"添加信息请输入："添加信息"退出请输入："任意字符串"''')while True:cmd = str(input("请输入命令"))Delete_account() if cmd == "删除账号" else Student() if cmd == "添加信息" else sys.exit()class Student(Logan):def __init__(self):print("您现在正在进行添加信息操作。")self.data()def data(self):self.name = str(input("请输入姓名："))self.sex = str(input("请输入姓别："))self.class_1 = str(input("请输入班级："))data = self.name+'\t'+self.sex+'\t'+self.class_1with open("Student.text",'a',encoding='utf-8') as fp:fp.write(data+'\n')print("添加成功。")#删除操作class Delete_account(Logan):def __init__(self):print("您现在正在进行删除账号操作，请输入要删除账号。")self.account = str(input())self.delete()def delete(self):lines = [l for l in open("b_2.text", "r") if l.find("{'"+self.account+"':") != 0]with open("b_2.text", "w") as fp:fp.writelines(lines)print("已经删除成功")#注册账号class Register(object):def __init__(self,account = None,code_1 = None,code_2 = None):super(register, self).__init__()self.account = accountself.code_1 = code_1self.code_2 = code_2self.check()def check(self):while True:self.account = str(input("请输入您要注册的账号。"))with open("b_2.text", 'r') as fp:fps = fp.readlines()for i in fps:if self.account == list(eval(i).keys())[0]:print("已经存在此账号，请重新注册。")breakelse:breakk = Truewhile k:self.code_1 = str(input("请输入密码。"))self.code_2 = str(input("请确认您的密码。"))if self.code_1 == self.code_2:with open("b_2.text", 'a') as fp:a = dict()a[self.account] = self.code_1fp.write(str(a)+'\n')print("注册完成！")k = Falseelse:print("两次密码不相同,请重新输入。")def denglujiemian():print('''注册账号请按 1 登录账号请按 2''')while True:num = int(input())if isinstance(num,int):return numprint("您的格式不正确，请重新输入。")def num_jiancha(num):if num == 1:user = Register()elif num == 2:user = Logan()if __name__ == '__main__':num_jiancha(denglujiemian())
def user():for i in range(3):name = str(input("请输入账号"))code = str(input("请输入密码")) if name == 'admin' and code == '123admin':return '恭喜您，登陆成功'else:print ('账号或密码输入错误，请重新输入！')else:return '今天输入已经超过3次，请明天重试！' print(user())
根据用户输入的账号和密码 确认是否成功登录？若正确 提示“恭喜您 登录成功！”；若错误 提示“账号或密码输入错误 请重新输入！”；若错误输入超过3次 则提示“今天输入已经超过3次
