python装饰器之登录练习（老男孩）

青旅半醒 2022-03-07 06:10 389阅读 0赞

# \-*- coding: utf-8 -*\- #

# @Time : 19-3-16 上午11:37 #

# @Author : Slip #

# @Software: PyCharm #

# @e-mail : [slip1233@126.com][slip1233_126.com] #

jdlogin_status = False
    wxlogin_status = False
    key = 0
    def logger(auth_type):
        def login(f):
            global jdlogin_status #获取全局变量来实现该变量的赋值修改
            global wxlogin_status
            if jdlogin_status == False:
                username = input("Username:").strip()
                passwd = input("passwd:").strip()
                a = open(auth_type, 'r', encoding='utf8') #这里的auth_type 也是调用的文件的文件名
                at = a.read()
                a.close()
                dic = eval(at)
                if username in dic and passwd == dic[username]:#判断用户名和密码是否在文件之中
                    f()
                    jdlogin_status =True
                else:
                    print('账号密码错误')   
            elif wxlogin_status == False:
                username = input("Username:").strip()
                passwd = input("passwd:").strip()
                a = open(auth_type, 'r', encoding='utf8')
                at = a.read()
                a.close()
                dic = eval(at)
                if username in dic and passwd == dic[username]:
                    f()
                    wxlogin_status = True
                else:
                    print('账号密码错误')
            elif jdlogin_status == True:
                f()
            elif wxlogin_status == True:
                f()
            else:
                pass
        return login
    def judge(key):
        if key == 1:
            @logger("jingdong")
            def home():
                print('welcome to home\n')
        elif key == 2:
            @logger("weixin")
            def finance():
                print('welcome to finance\n')
        elif key == 3:
            @logger("jingdong")
            def book():
                print('welcome to book\n')
    def start():
        global key
        list = {1: 'home', 2: 'finance', 3: 'book'}
        for i in list:
            print(i, list[i])
        select_num = input('请输入访问网页的编号[退出:q]>>')
        if select_num == 'q':
            exit()
        elif select_num.isdigit() and select_num in list:
            key = int(select_num)
        else:
            print('请输入有效值！')
            return
        judge(key)
    while 1:
        start()

文件 jingdong 为  
\{‘aa’: ‘bb’, ‘bb’: ‘cc’, ‘dd’: ‘cc’\}  
文件 weixin 为  
\{‘11’: ‘22’, ‘33’: ‘44’, ‘55’: ‘44’\}

[slip1233_126.com]: mailto:slip1233@126.com