python第十五课–近期代码练习

1.利用有参装饰器编写多种用户登录校验策略
"""
1.直接写死的  jason 123
2.数据来源于列表 ['jason|123','kevin|321','tony|222']
3.数据来源于文件 jason|123\n tom|321\n
"""
有参装饰器套路模板:
def login_auth(condition):
    def outer(func):
        def inner(*args, **kwargs):
            username = input('shuruyonghuming')
            password = input('shurumima')
            if condition == 'absolut':
                if username == 'jason' and password == '123':
                    res = func(*args, **kwargs)
                    return res
            if condition == 'list_type':
                l1 = ['jason|123', 'kevin|321', 'tony|222']
                for i in l1:
                    realname, realpwd = i.split('|')
                    if realname == username and realpwd == password:
                        res = func(*args, **kwargs)
                        return res
            if condition == 'file_type':
                with open(r'a.txt', 'r', encoding='utf8') as f:
                    for i in f:
                        realname,realpwd = i.split('|')
                        if realname == username and realpwd.strip('\n') == password:
                            res = func(*args, **kwargs)
                            return res
            return res

        return inner

    return outer


@login_auth('absolut')
def index():
    print('打印index')
index()



@login_auth('list_type')
def fooo():
    print('打印aaa')
fooo()



@login_auth('file_type')
def qqqqq():
    print('打印cccccccc')
qqqqq()

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原文地址：http://www.cnblogs.com/tengyifan888/p/16794769.html