python-python基础4

import time

def printtime(f):
    def warpper(*args,**kwargs):
        f(*args,**kwargs)
        print("time:", time.ctime())
    return warpper

@printtime  #hello=printtime(hello)
def hello():
    print("Hello World!")

hello()

ser_status = False #用户登录了就把这个改成True
 
def login(func): #把要执行的模块从这里传进来
 
    def inner(*args,**kwargs):#再定义一层函数
        _username = "alex" #假装这是DB里存的用户信息
        _password = "abc!23" #假装这是DB里存的用户信息
        global user_status
 
        if user_status == False:
            username = input("user:")
            password = input("pasword:")
 
            if username == _username and password == _password:
                print("welcome login....")
                user_status = True
            else:
                print("wrong username or password!")
 
        if user_status == True:
            func(*args,**kwargs) # 看这里看这里，只要验证通过了，就调用相应功能
 
    return inner #用户调用login时，只会返回inner的内存地址，下次再调用时加上()才会执行inner函数
 
 
def home():
    print("---首页----")
 
@login
def america():
    #login() #执行前加上验证
    print("----欧美专区----")
 
def japan():
    print("----日韩专区----")
 
# @login
def henan(style):
    ‘‘‘
    :param style: 喜欢看什么类型的，就传进来
    :return:
    ‘‘‘
    #login() #执行前加上验证
    print("----河南专区----")
 
home()
# america = login(america) #你在这里相当于把america这个函数替换了
henan = login(henan)
 
# #那用户调用时依然写
america()
 
henan("3p")

import time
user,passwd = ‘alex‘,‘abc123‘
def auth(auth_type):
    print("auth func:",auth_type)
    def outer_wrapper(func):
        def wrapper(*args, **kwargs):
            print("wrapper func args:", *args, **kwargs)
            if auth_type == "local":
                username = input("Username:").strip()
                password = input("Password:").strip()
                if user == username and passwd == password:
                    print("\033[32;1mUser has passed authentication\033[0m")
                    res = func(*args, **kwargs)  # from home
                    print("---after authenticaion ")
                    return res
                else:
                    exit("\033[31;1mInvalid username or password\033[0m")
            elif auth_type == "ldap":
                print("搞毛线ldap,不会。。。。")

        return wrapper
    return outer_wrapper

def index():
    print("welcome to index page")
@auth(auth_type="local") # home = wrapper()  home=auth(home(auth_type="local"))
def home():
    print("welcome to home  page")
    return "from home"

@auth(auth_type="ldap")
def bbs():
    print("welcome to bbs  page")

index()
print(home()) #wrapper()
bbs()

#_*_coding:utf-8_*_


user_status = False #用户登录了就把这个改成True

def login(auth_type): #把要执行的模块从这里传进来
    def auth(func):
        def inner(*args,**kwargs):#再定义一层函数
            if auth_type == "qq":
                _username = "alex" #假装这是DB里存的用户信息
                _password = "abc!23" #假装这是DB里存的用户信息
                global user_status

                if user_status == False:
                    username = input("user:")
                    password = input("pasword:")

                    if username == _username and password == _password:
                        print("welcome login....")
                        user_status = True
                    else:
                        print("wrong username or password!")

                if user_status == True:
                    return func(*args,**kwargs) # 看这里看这里，只要验证通过了，就调用相应功能
            else:
                print("only support qq ")
        return inner #用户调用login时，只会返回inner的内存地址，下次再调用时加上()才会执行inner函数

    return auth

def home():
    print("---首页----")

@login(‘qq‘)
def america():
    #login() #执行前加上验证
    print("----欧美专区----")

def japan():
    print("----日韩专区----")

@login(‘weibo‘)
def henan(style):
    ‘‘‘
    :param style: 喜欢看什么类型的，就传进来
    :return:
    ‘‘‘
    #login() #执行前加上验证
    print("----河南专区----")

home()
# america = login(america) #你在这里相当于把america这个函数替换了
#henan = login(henan)

# #那用户调用时依然写
america()

# henan("3p")