面向对象小练习2

# 1.类或对象是否能做字典的key
# 2.简述python的私有成员是如何实现的
# 3.私有成员能在类的外部使用么?能在子类中使用么?
# 4.读程序写结果.(不执行)
'''
class StarkConfig(object):
    def __init__(self,num):
        self.num = num
    def changelist(self,request):
        print(self.num,request)

class RoleConfig(StarkConfig):
    def changelist(self,request):
        print('666')
'''
#创建了一个列表,列表中有三个对象(实例)
# config_obj_list = [StarkConfig(1),StarkConfig(2),RoleConfig(3)]
# for item in config_obj_list:
    # print(item.num)

# 5.读程序写结果.(不执行)
print("<===5===>")
'''
class StarkConfig(object):
    def __init__(self,num):
        self.num = num
    def changelist(self,request):
        print(self.num,request)

class RoleConfig(StarkConfig):
    pass
'''
#创建了一个列表,列表中有三个对象(实例)
# config_obj_list = [StarkConfig(1),StarkConfig(2),RoleConfig(3)]
# for item in config_obj_list:
    # item.changelist(168)
# print(config_obj_list[0].num)

# 6.读程序写结果.(不执行)
'''
class StarkConfig(object):
    def __init__(self,num):
        self.num = num
    def changelist(self,request):
        print(self.num,request)

class RoleConfig(StarkConfig):
    def changelist(self,request):
        print(666,self.num)

config_obj_list = [StarkConfig(1),StarkConfig(2),RoleConfig(3)]
for item in config_obj_list:
    item.changelist(168)
'''

# 7.读程序写结果.(不执行)
'''
print("<====>")
class StarkConfig(object):
    def __init__(self,num):
        self.num = num
    def changelist(self,request):
        print(self.num,request)
    def run(self):
        self.changelist(999)

class RoleConfig(StarkConfig):
    def changelist(self,request):
        print(666,self.num)

config_obj_list = [StarkConfig(1),StarkConfig(2),RoleConfig(3)]
config_obj_list[1].run()  
config_obj_list[2].run()  
'''

# 8.读程序写结果.(不执行)
'''
print("<==8==>")
class StarkConfig(object):
    def __init__(self,num):
        self.num = num
    def changelist(self,request):
        print(self.num,request)
    def run(self):
        self.changelist(999)

class RoleConfig(StarkConfig):
    def changelist(self,request):
        print(666,self.num)

class AdminSite(object):
    def __init__(self):
        self._registry = {}
    def register(self,k,v):
        self._registry[k] = v

site = AdminSite()
print(len(site._registry))  
site.register('range',666)
site.register('shilei',438)
print(len(site._registry))  

site.register('lyd',StarkConfig(19))
site.register('yjl',StarkConfig(20))
site.register('fgz',RoleConfig(33))
print(len(site._registry))    
print(site._registry)
'''

# 9.读程序写结果.(不执行)
print("<==9==>")
class StarkConfig():
    def __init__(self,num):
        self.num = num
    def changelist(self,request):
        print(self.num,request)
    def run(self):
        self.changelist(999)

class RoleConfig(StarkConfig):
    def changelist(self,request):
        print(666,self.num)

class AdminSite():
    def __init__(self):
        self._registry = {}
    def register(self,k,v):
        self._registry[k] = v

site = AdminSite()
site.register('lyd',StarkConfig(19))
site.register('yjl',StarkConfig(20))
site.register('fgz',RoleConfig(33))
# print(len(site._registry)) 

for k,row in site._registry.items():
    row.changelist(5)
for k,row in site._registry.items():
    row.run()


# 10.读程序写结果.(不执行)
print("<==10==>")
class JustCounter:
	__secretCount = 0
	def count(self):
		self.__secretCount += 1
		print(self.__secretCount)
	def count3():
		print(JustCounter.__secretCount)

class Bars(JustCounter):
	def count2(self):
		print(self.__secretCount)

#  情况一
# counter1 = JustCounter()
# counter1.count() 
# counter1.count()
#  情况二
# counter2 = Bars()
# counter2.count()
# counter2.count()
#  情况三
# JustCounter.count3()