class RB(tf.keras.layers.Layer): 
 def __init__(self, num_filters, *args, **kwargs):
 self.num_filters = num_filters
 super(RB, self).__init__(*args, **kwargs)
 #按需求添加卷積
 def build(self, input_shape):
 #按需求添加卷積
 self._layers = [
 ]
 super(RB, self).build(input_shape)
 
 def call(self, tensor):
 for layer in self._layers:
  tensor = layer(tensor) 
class DecodeNet(tf.keras.layers.Layer):
 
 def __init__(self, num_filters, *args, **kwargs):
 self.num_filters = num_filters
 super(DecodeNet, self).__init__(*args, **kwargs)
 self.rb_block0 = RB(self.num_filters)
 self.rb_block1 = RB(self.num_filters)
 self.rb_block2 = RB(self.num_filters)
 
 def build(self, input_shape):
 self._layers = [
  RB(self.num_filters),
  RB(self.num_filters),
  RB(self.num_filters),
 ]
 super(DecodeNet, self).build(input_shape)
 
 def call(self, tensor):
 tensor = self.rb_block0(tensor)
 tensor = self.rb_block1(tensor)
 for layer in self._layers:
  tensor = layer(tensor)
 tensor = self.rb_block2(tensor)
 return tensor

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author: antcolonies 
class Person(object):
 def __init__(self, name, lang, website):
  self.name = name
  self.lang = lang
  self.website = website
 
  print('self: ', self)
  print('type of self: ', type(self))
'''
未實(shí)例化時(shí)，運(yùn)行程序，構(gòu)造方法沒有運(yùn)行
''' 
p = Person('Tim', 'English', 'www.universal.com') 
'''實(shí)例化后運(yùn)行的結(jié)果
self: <__main__.Person object at 0x00000000021EAF98>
type of self: <class '__main__.Person'>
'''

class Dog(object):  
 def __init__(self,name,dog_type):
  self.name = name
  self.type = dog_type 
 def sayhi(self):
  print("hello,I am a dog, my name is ",self.name) 
 
d = Dog('LiChuang',"京巴")   # 實(shí)例化
d.sayhi()

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author: antcolonies 
name = 'whole global name'
'''
注：此處全局的變量名，寫成name，只是為了演示而用
實(shí)際上，好的編程風(fēng)格，應(yīng)該寫成gName之類的名字，
以表示該變量是Global的變量
''' 
class Person(object):
 def __init__(self, newPersonName):
  # self.name = newPersonName
  '''
  如果此處不寫成self.name
  那么此處的name，只是__init__函數(shù)中的局部臨時(shí)變量name而已
  和全局中的name，沒有半毛錢關(guān)系
  '''
  name = newPersonName
  '''
  此處只是為了代碼演示，而使用了局部變量name，
  不過(guò)需要注意的是，此處很明顯，由于接下來(lái)的代碼也沒有利用到此處的局部變量name
  則就導(dǎo)致了，此處的name變量，實(shí)際上被浪費(fèi)了，根本沒有利用到
  '''
 def sayYourName(self):
  '''
  此處由于找不到實(shí)例中的name變量，所以會(huì)報(bào)錯(cuò)：
  AttributeError: Person instance has no attribute 'name'
  '''
  print('My name is %s' %self.name)
 
def selfAndInitDemo():
 personInstance = Person('Tim')
 personInstance.sayYourName() 
if __name__ == '__main__':
 selfAndInitDemo()
 
''' 未使用self.name時(shí)拋異常
Traceback (most recent call last):
 File "E:/python14_workspace/s14/day06/test_1.py", line 18, in <module>
 selfAndInitDemo()
 File "E:/python14_workspace/s14/day06/test_1.py", line 15, in selfAndInitDemo
 personInstance.sayYourName()
 File "E:/python14_workspace/s14/day06/test_1.py", line 11, in sayYourName
 print('My name is %s' %self.name)
AttributeError: 'Person' object has no attribute 'name'
'''

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author: antcolonies 
name = 'whole global name'
'''
注：此處全局的變量名，寫成name，只是為了演示而用
實(shí)際上，好的編程風(fēng)格，應(yīng)該寫成gName之類的名字，
以表示該變量是Global的變量
''' 
class Person(object):
 def __init__(self, newPersonName):
  self.name = newPersonName
  '''
  此處正確的，通過(guò)訪問(wèn)self.name的形式，實(shí)現(xiàn)了：
   1.給實(shí)例中，增加了name變量
   2.并且給name賦了初值，為newPersionName
  '''
 def sayYourName(self):
  '''
  此處由于開始正確的初始化了self對(duì)象，使得其中有了name變量，
  所以此處可以正確訪問(wèn)了name值了
  '''
  print('My name is %s' %self.name)
 
def selfAndInitDemo():
 personInstance = Person('Tim')
 personInstance.sayYourName()
 
if __name__ == '__main__':
 selfAndInitDemo() 
'''My name is Tim'''

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# Author: antcolonies 
name = 'whole global name'
'''
注：此處全局的變量名，寫成name，只是為了演示而用
實(shí)際上，好的編程風(fēng)格，應(yīng)該寫成gName之類的名字，
以表示該變量是Global的變量
'''
class Person(object):
 name = 'class global name' 
 def __init__(self, newPersonName):
  # self.name = newPersonName
  '''
  此處，沒有使用self.name
  而使得此處的name，實(shí)際上仍是局部變量name
  雖然此處賦值了，但是后面沒有被利用到，屬于被浪費(fèi)了的局部變量name
  '''
  name = newPersonName
 def sayYourName(self):
  '''
  此處，之所以沒有像之前一樣出現(xiàn)：
  AttributeError: Person instance has no attribute 'name'
  那是因?yàn)?，雖然當(dāng)前的實(shí)例self中，沒有在__init__中初始化對(duì)應(yīng)的name變量，實(shí)例self中沒有對(duì)應(yīng)的name變量
  但是由于實(shí)例所對(duì)應(yīng)的類Person，有對(duì)應(yīng)的name變量,所以也是可以正常執(zhí)行代碼的
  對(duì)應(yīng)的，此處的self.name，實(shí)際上是Person.name
  '''
  print('My name is %s' %self.name)
  print('Name within class Person is actually the global name: %s' %name)
  print("Only access Person's name via Person.name = %s" %(Person.name))
 
def selfAndInitDemo():
 personInstance = Person('Tim')
 personInstance.sayYourName()
 print('whole global name is %s' %name)
 
if __name__ == '__main__':
 selfAndInitDemo()
'''
My name is class global name
Name within class Person is actually the global name: whole global name
Only access Person's name via Person.name = class global name
whole global name is whole global name
'''