#!/usr/bin/env python# _*_coding:utf-8 _*_class SpecialMembers:  # 類的構造方法  def __init__(self):    print("My Blog is Url: http://yw666.blog.51cto.com")  # 對象的構造方法  def __call__(self):    print("My Name is: Yangwen")# 創建一個對象，并且執行類的構造方法obj = SpecialMembers()# 執行對象的構造方法obj()# 先執行類的構造方法，然后在執行對象的構造方法SpecialMembers()()

yangwen@Darker:~$ python3 /home/yangwen/文檔/Python_code/sublime/Week06/Day04/s2.pyMy Blog is Url: http://yw666.blog.51cto.comMy Name is: YangwenMy Blog is Url: http://yw666.blog.51cto.comMy Name is: Yangwen

#!/usr/bin/env python# _*_coding:utf-8 _*_class SpecialMembers:  # 當執行obj['value']的時候就會自動執行__getitem__方法，并且把對象括號內的值當做__getitem__的值  def __getitem__(self, item):    print(item)  def __setitem__(self, key, value):    print(key, value)  def __delitem__(self, key):    print(key)# 創建一個對象obj = SpecialMembers()# 自動執行__getitem__方法obj['value']# 自動執行__setitem__方法obj['k1'] = "values"# 自動執行__delitem__方法del obj['key']

ansheng@Darker:~$ python3 /home/yangwen/文檔/Python_code/sublime/Week06/Day04/s2.pyvaluek1 valueskey

#!/usr/bin/env python# _*_coding:utf-8 _*_class SpecialMembers:  # 當執行obj['value']的時候就會自動執行__getitem__方法，并且把對象括號內的值當做__getitem__的值  def __getitem__(self, item):    print(item, type(item), "__getitem__")  def __setitem__(self, key, value):    print(key, value)  def __delitem__(self, key):    print(key)# 創建一個對象obj = SpecialMembers()# 自動執行__getitem__方法obj[1:3] # __getslice__/__getitem__# 自動執行__setitem__方法obj[1:3] = [11, 22, 33] # __setslice__/__setitem__# 自動執行__delitem__del obj[1:3] # __delslice__/__delitem__

yangwen@Darker:~$ python3 /home/yangwen/文檔/Python_code/sublime/Week06/Day04/s2.pyslice(1, 3, None) <class 'slice'> __getitem__slice(1, 3, None) [11, 22, 33]slice(1, 3, None)

#!/usr/bin/env python# _*_coding:utf-8 _*_class SpecialMembers:  """  類的注釋  """  def __init__(self):    self.Name = "Ansheng"    self.Blog = "http://yw666.blog.51cto.com"# 獲取類中的成員print(SpecialMembers.__dict__)# 創建一個對象obj = SpecialMembers()# 獲取對象中的成員print(obj.__dict__)

yangwen@Darker:~$ python3 /home/yangwen/文檔/Python_code/sublime/Week06/Day04/s2.py{'__weakref__': <attribute '__weakref__' of 'SpecialMembers' objects>, '__doc__': '/n  類的注釋/n  ', '__module__': '__main__', '__dict__': <attribute '__dict__' of 'SpecialMembers' objects>, '__init__': <function SpecialMembers.__init__ at 0x7ff2af2d7598>}{'Blog': 'http://yw666.blog.51cto.com', 'Name': 'Yangwen'}

#!/usr/bin/env python# _*_coding:utf-8 _*_class SpecialMembers:  def __iter__(self):    yield 1    yield 2    yield 3# 創建一個對象obj = SpecialMembers()# 如果執行for循環對象時，自動會執行對象的__iter__方法，此時的__iter__就是一個生成器for i in obj:  print(i)

yangwen@Darker:~$ python3 /home/yangwen/文檔/Python_code/sublime/Week06/Day04/s2.py123