使用函数及修饰器实现用户登陆
- 将登陆、注册、文件开关设计成函数
- 将功能的名称与对应的内存地址存储在字典
- 通过有参装饰器实现登陆验证功能
""" 用户登陆、注册功能 使用函数及修饰器实现 """ import time from functools import wraps import random def name_pwd(txt,mode1="rt",encoding1="utf-8"): # 打开用户信息字典 with open(txt,mode1,encoding=encoding1) as f: info_dic = eval(f.read()) return info_dic def name_writte(txt,dic,mode2="wt",encoding2="utf-8"): # 用户信息写回文件 with open(txt,mode2,encoding=encoding2) as f: f.write(str(dic)) def login(name,pwd,dic): # 用户登陆 if name == "0" or pwd == "0": exit() if name in dic.values() and pwd in dic.values(): print("登陆成功!") return False else: print("用户名或者密码错误!") return True def register(name,pwd,dic): # 用户注册 if name == "0" or pwd == "0": exit() if name in dic.values() : print("用户名重复,请重新输入!") return True else: dic["name"] = name dic["pwd"] = pwd print("注册成功!") return False # return dic fungc_dic = { "0":["退出",0], "1":["登陆",login], "2":["注册",register], } def print1(dic): for i in dic: print("{}:{}".format(i,dic[i][0])) # 登陆装饰器 def yuser(txt): print1(fungc_dic) mode = input("请输入模式!") def outter(func): def wrapper(*args,**kwargs): res1 = name_pwd(txt) tag = True while tag: if mode == "0": exit() elif mode == "1": name = input("请输入用户名>>>") pwd = input("请输入密码>>>") tag = login(name,pwd,res1) elif mode == "2": name = input("请输入用户名>>>") pwd = input("请输入密码>>>") tag = register(name,pwd,res1) else: print("指令错误!") continue name_writte(txt,res1) func(*args,**kwargs) return wrapper return outter def timmer(s): def outter(func): def wrapper(*args,**kwargs): start = time.time() res = func(*args,**kwargs) end = time.time() s1 = end - start @yuser("账号密码.txt") def f1(): print("hhhhh") f1()
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