裝飾器的應用-裝飾器帶參數和不帶參數

#!/usr/bin/env python
#encoding: utf-8
def start_info():
    print ('電視劇開頭曲.......')
    print ('開始唱歌.......')
def end_info():
    print ('電視劇結束曲.......')

def filter(start_info,end_info): #接收倆函數
    def outer(main_fun): #接收裝飾的函數
        def app(*argv,**kwargs): #接收裝飾的函數的參數
            print('******************************')
            start_info()
            main_fun(*argv,**kwargs)#接收裝飾的函數的參數
            end_info()
            print('******************************')
        return app
    return outer
#先把函數傳進去，然后在用里面的函數裝飾
#傳函數的裝飾器必須有三個def ,第一個是接受函數，第二個是裝飾函數的，返回第三個函數對象
# 把需要裝飾的函數重新定義，然后調用調用
#1: filter(start_info,end_info):
#2: @outer ->  one_info = outer(one_info)
@filter(start_info,end_info) #這里傳入倆個函數
def one_info(name,info):
    print ('this is one')
    print('wolcome to tv %s .......' % (name))
    print('wolcome to tv %s .......' % (info))

@filter(start_info,end_info)
def two_info(name,info):
    print('this is two')
    print('wolcome to tv %s .......' % (name))
    print('wolcome to tv %s .......' % (info))

@filter(start_info,end_info)
def three_info(name,info):
    print('this is three')
    print('wolcome to tv %s .......' % (name))
    print('wolcome to tv %s .......' % (info))

if __name__ == "__main__":
    print('三國演義三部曲開始。。。。。。。。')
    print('第一部。。。。。。。。。。。。。。')
    one_info('三國電視劇第一部', '三國大戰')

    print('第二部。。。。。。。。。。。。。。')
    two_info('三國電視劇第二部', '三國英雄')

    print('第三部。。。。。。。。。。。。。。')
    three_info('三國電視劇第三部', '三國鼎力')

#!/usr/bin/env python
#encoding: utf-8
def start_info():
    print ('電視劇開頭曲.......')
    print ('開始唱歌.......')
def end_info():
    print ('電視劇結束曲.......')

def outer(main_fun): #接收裝飾的函數
    def app(*argv,**kwargs): #接收裝飾的函數的參數
        print('******************************')
        start_info()
        main_fun(*argv,**kwargs)#接收裝飾的函數的參數
        end_info()
        print('******************************')
    return app

#1: @outer ->  one_info = outer(one_info)
@outer
def one_info(name,info):
    print ('this is one')
    print('wolcome to tv %s .......' % (name))
    print('wolcome to tv %s .......' % (info))

@outer
def two_info(name,info):
    print('this is two')
    print('wolcome to tv %s .......' % (name))
    print('wolcome to tv %s .......' % (info))

@outer
def three_info(name,info):
    print('this is three')
    print('wolcome to tv %s .......' % (name))
    print('wolcome to tv %s .......' % (info))

if __name__ == "__main__":
    print ('三國演義三部曲開始。。。。。。。。')
    print ('第一部。。。。。。。。。。。。。。')
    one_info('三國電視劇第一部','三國大戰')

    print('第二部。。。。。。。。。。。。。。')
    two_info('三國電視劇第二部','三國英雄')

    print('第三部。。。。。。。。。。。。。。')
    three_info('三國電視劇第三部','三國鼎力')