#!/usr/bin/env python
# _*_coding:utf-8 _*_
class SpecialMembers:
  # 類的構(gòu)造方法
  def __init__(self):
    print("My Blog is Url: http://yw666.blog.51cto.com")
  # 對(duì)象的構(gòu)造方法
  def __call__(self):
    print("My Name is: Yangwen")
# 創(chuàng)建一個(gè)對(duì)象，并且執(zhí)行類的構(gòu)造方法
obj = SpecialMembers()
# 執(zhí)行對(duì)象的構(gòu)造方法
obj()
# 先執(zhí)行類的構(gòu)造方法，然后在執(zhí)行對(duì)象的構(gòu)造方法
SpecialMembers()()

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

#!/usr/bin/env python
# _*_coding:utf-8 _*_
class SpecialMembers:
  # 當(dāng)執(zhí)行obj['value']的時(shí)候就會(huì)自動(dòng)執(zhí)行__getitem__方法，并且把對(duì)象括號(hào)內(nèi)的值當(dāng)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(chuàng)建一個(gè)對(duì)象
obj = SpecialMembers()
# 自動(dòng)執(zhí)行__getitem__方法
obj['value']
# 自動(dòng)執(zhí)行__setitem__方法
obj['k1'] = "values"
# 自動(dòng)執(zhí)行__delitem__方法
del obj['key']

ansheng@Darker:~$ python3 /home/yangwen/文檔/Python_code/sublime/Week06/Day04/s2.py
value
k1 values
key

#!/usr/bin/env python
# _*_coding:utf-8 _*_
class SpecialMembers:
  # 當(dāng)執(zhí)行obj['value']的時(shí)候就會(huì)自動(dòng)執(zhí)行__getitem__方法，并且把對(duì)象括號(hào)內(nèi)的值當(dāng)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(chuàng)建一個(gè)對(duì)象
obj = SpecialMembers()
# 自動(dòng)執(zhí)行__getitem__方法
obj[1:3] # __getslice__/__getitem__
# 自動(dòng)執(zhí)行__setitem__方法
obj[1:3] = [11, 22, 33] # __setslice__/__setitem__
# 自動(dòng)執(zhí)行__delitem__
del obj[1:3] # __delslice__/__delitem__

yangwen@Darker:~$ python3 /home/yangwen/文檔/Python_code/sublime/Week06/Day04/s2.py
slice(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(chuàng)建一個(gè)對(duì)象
obj = SpecialMembers()
# 獲取對(duì)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(chuàng)建一個(gè)對(duì)象
obj = SpecialMembers()
# 如果執(zhí)行for循環(huán)對(duì)象時(shí)，自動(dòng)會(huì)執(zhí)行對(duì)象的__iter__方法，此時(shí)的__iter__就是一個(gè)生成器
for i in obj:
  print(i)

yangwen@Darker:~$ python3 /home/yangwen/文檔/Python_code/sublime/Week06/Day04/s2.py
1
2
3