装饰器

#装饰器练习
useName = input('输入用户名：')
passWord = input('输入密码:')

def login(func):

    def inner(*arg):
        if(useName=='zhang' and passWord=='123'):
            print('用户校验通过')
            func(*arg)
        else:
            print('账户或密码错误')
            return
    return inner
@login
def function1(useName,age):
    print("%s:你好,这是方法一%s" % (useName,passWord))
@login
def function2(useName):
    print("%s:你好,这是方法二" % useName)

def function3(useName):
    print("%s:你好,这是方法三" % useName)

function1('li','123')