python(4) - 装饰器2

def login(func):         #接收一个函数作为参数
    def inner(name):
        print("用户验证通过。。。。")
        return func(name)         #将函数返回
    return inner                  #返回inner函数

@login
def video(name):
    print("welcome %s to video!" % name)

def login(func):
    def inner(username, password):
        if username == "zhangsan" and password == ‘1234‘:
            func(username, password)
        else:
            print("username or password is incorrect")
    return inner


@login
def tv(username, password):
     print("Welcom %s, your password is %s" % (username, password))

tv(‘zhangsan‘, "1234")