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装饰器的应用-装饰器带参数和不带参数

 1 #!/usr/bin/env python
 2 #encoding: utf-8
 3 def start_info():
 4     print (电视剧开头曲.......)
 5     print (开始唱歌.......)
 6 def end_info():
 7     print (电视剧结束曲.......)
 8 
 9 def filter(start_info,end_info): #接收俩函数
10     def outer(main_fun): #接收装饰的函数
11         def app(*argv,**kwargs): #接收装饰的函数的参数
12             print(******************************)
13             start_info()
14             main_fun(*argv,**kwargs)#接收装饰的函数的参数
15             end_info()
16             print(******************************)
17         return app
18     return outer
19 #先把函数传进去,然后在用里面的函数装饰
20 #传函数的装饰器必须有三个def ,第一个是接受函数,第二个是装饰函数的,返回第三个函数对象
21 # 把需要装饰的函数重新定义,然后调用调用
22 #1: filter(start_info,end_info):
23 #2: @outer ->  one_info = outer(one_info)
24 @filter(start_info,end_info) #这里传入俩个函数
25 def one_info(name,info):
26     print (this is one)
27     print(wolcome to tv %s ....... % (name))
28     print(wolcome to tv %s ....... % (info))
29 
30 @filter(start_info,end_info)
31 def two_info(name,info):
32     print(this is two)
33     print(wolcome to tv %s ....... % (name))
34     print(wolcome to tv %s ....... % (info))
35 
36 @filter(start_info,end_info)
37 def three_info(name,info):
38     print(this is three)
39     print(wolcome to tv %s ....... % (name))
40     print(wolcome to tv %s ....... % (info))
41 
42 if __name__ == "__main__":
43     print(三国演义三部曲开始。。。。。。。。)
44     print(第一部。。。。。。。。。。。。。。)
45     one_info(三国电视剧第一部, 三国大战)
46 
47     print(第二部。。。。。。。。。。。。。。)
48     two_info(三国电视剧第二部, 三国英雄)
49 
50     print(第三部。。。。。。。。。。。。。。)
51     three_info(三国电视剧第三部, 三国鼎力)
 1 #!/usr/bin/env python
 2 #encoding: utf-8
 3 def start_info():
 4     print (电视剧开头曲.......)
 5     print (开始唱歌.......)
 6 def end_info():
 7     print (电视剧结束曲.......)
 8 
 9 def outer(main_fun): #接收装饰的函数
10     def app(*argv,**kwargs): #接收装饰的函数的参数
11         print(******************************)
12         start_info()
13         main_fun(*argv,**kwargs)#接收装饰的函数的参数
14         end_info()
15         print(******************************)
16     return app
17 
18 #1: @outer ->  one_info = outer(one_info)
19 @outer
20 def one_info(name,info):
21     print (this is one)
22     print(wolcome to tv %s ....... % (name))
23     print(wolcome to tv %s ....... % (info))
24 
25 @outer
26 def two_info(name,info):
27     print(this is two)
28     print(wolcome to tv %s ....... % (name))
29     print(wolcome to tv %s ....... % (info))
30 
31 @outer
32 def three_info(name,info):
33     print(this is three)
34     print(wolcome to tv %s ....... % (name))
35     print(wolcome to tv %s ....... % (info))
36 
37 if __name__ == "__main__":
38     print (三国演义三部曲开始。。。。。。。。)
39     print (第一部。。。。。。。。。。。。。。)
40     one_info(三国电视剧第一部,三国大战)
41 
42     print(第二部。。。。。。。。。。。。。。)
43     two_info(三国电视剧第二部,三国英雄)
44 
45     print(第三部。。。。。。。。。。。。。。)
46     three_info(三国电视剧第三部,三国鼎力)

 

装饰器的应用-装饰器带参数和不带参数