python如何實現不用裝飾器實現登陸器小程式
阿新 • • 發佈:2020-01-09
這篇文章主要介紹了python如何實現不用裝飾器實現登陸器小程式,文中通過示例程式碼介紹的非常詳細,對大家的學習或者工作具有一定的參考學習價值,需要的朋友可以參考下
下面程式碼演示了不使用裝飾器實現使用者登陸功能的小程式,在python3.x下可正常執行
#!/usr/bin/env python3 # -*- coding: utf-8 -*- """ Created on Tue Nov 26 15:26:58 2019 @author: root """ def menu(): print('choice'.center(50,'-')) msg = ''' 1. home 2. finance 3. book 4. exit ''' print(msg) print("".center(50,'-')) def login(login_flat,choice): if not login_flat: while True: username = str(input("username:")) password = str(input("password:")) if choice == '1': home() with open('jingdong.txt','r') as f1: for line in f1: element = line.split(" ",1) print(element[0]) print(element[1]) if username.strip() == element[0].strip() and password.strip() == element[1].strip(): print("log in successful!") return True print("failed to log in!,try it again!") elif choice == '2': finance() with open('weixin.txt','r') as f2: for line in f1: element = line.split(" ",1) if username.strip() == element[0].strip() and password.strip() == element[1].strip(): print("log in successful!") return True print("failed to log in!,try it again!") elif choice == '3': book() with open('jingdong.txt','r') as f3: for line in f3: element = line.split(" ",try it again!") else: print("You have logged in before!") return True #@login(login_flat,choice) def home(): print("home.....") #@login(login_flat,choice) def finance(): print("finance.....") #@login(login_flat,choice) def book(): print("book.....") login_flag = False while True: menu() choice = input("your choice:") if choice == '1': login_flag = login(login_flag,choice) elif choice == '2': login_flag = login(login_flag,choice) elif choice == '3': login_flag = login(login_flag,choice) elif choice == '4': print('bye-bye') break else: print("wrong input,try it again!")
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支援我們。