2018-11-29

import time,os
user_status = False
def login():
       file = os.path.exists('student.txt')
       if file is True:
             file = open('student.txt','r+',encoding='utf8')
             student_info = eval(file)
             file.close()
       else:
            choice = input("是否选择注册YorN：)
            file = open('student.txt','w',encoding='uft8')
            if choice == 'Y':
                name = input("your name:")
                password = input("your password:")
                user_info = {'name':name,'password':password}
                user_info = str(user_info)
                file.write(user_info)
                file.close()
        def inner() :
              realname = user['name']
              realpassword = user['password']
              
             if user_status is False: 
                name = input('输入你的用户名:)
                password = input('输入你的密码:
                if name == realname and password  == realpassword:
                       print("welcome user")
                       user_status = True
             else:
                func()
       return inner
def log_1():
    print('%s-%s-%s'%(a.tm_year, a.tm_mon, a.tm_mday))

@login
def log_2():
    time.sleep(2)
    print('%s-%s-%s' % (a.tm_year, a.tm_mon, a.tm_mday))

@login
def log_3():
    time.sleep(4)
    print('%s-%s-%s' % (a.tm_year, a.tm_mon, a.tm_mday))
log_1()
log_2()
log_3()