#bim(property)
class People:
def __init__(self,name,weight,height):
self.name=name
self.weight=weight
self.height=height
@property
def bim(self):
return self.weight/(self.height**2)
#property setter deleter
class Foo:
def __init__(self,val):
self.__NAME=val
@property
def name(self):
return self.__NAME
@name.setter
def name(self,value):
self.__NAME=value
@name.deleter
def name(self):
del self.__NAME
#classmethod
class Goods:
__discount=0.8
def __init__(self,name,price):
self.name = name
self.__price = price
@property
def price(self):
return self.__price * Goods.__discount
@classmethod
def change_discount(cls,new_discount):
Goods.__discount=new_discount
apple=Goods("apple",10)
print(apple.price)
Goods.change_discount(0.9)
print(apple.price)
#反射
class Teacher:
dic={"查看学生信息":"","查看老师信息":""}
def __init__(self):pass
@classmethod
def class_method(cls):
print("test")
if hasattr(Teacher,"class_method"):
getattr(Teacher,"class_method")()
print(getattr(Teacher,"dic"))