# property
# 內(nèi)置裝飾器函數(shù) 只在面向?qū)ο笾惺褂?
from math import pi
class Circle:
def __init__(self,r):
self.r = r
@property
def perimeter(self):
return 2*pi*self.r
@property
def area(self):
return self.r**2*pi
c1 = Circle(5)
print(c1.area) # 圓的面積
print(c1.perimeter) # 圓的周長(zhǎng)
class Person:
def __init__(self,name,high,weight):
self.name = name
self.high = high
self.weight = weight
@property
def bmi(self):
return self.weight / self.high**2
jin = Person('金老板',1.6,90)
jin.bmi = 18
classmethod
staticmethod
class Person:
def __init__(self,name):
self.__name = name
@property
def name(self):
return self.__name + 'sb'
@name.setter
def name(self,new_name):
self.__name = new_name
tiger = Person('泰哥')
print(tiger.name)
tiger.name = '全班'
print(tiger.name)
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
apple = Goods('蘋(píng)果',5)
print(apple.price)
# 屬性 查看 修改 刪除
class Person:
def __init__(self,name):
self.__name = name
self.price = 20
@property
def name(self):
return self.__name
@name.deleter
def name(self):
del self.__name
@name.setter
def name(self,new_name):
self.__name = new_name
brother2 = Person('二哥')
del Person.price
brother2.name = 'newName'
brother2
del brother2.name
print(brother2.name)
# 內(nèi)置裝飾器函數(shù) 只在面向?qū)ο笾惺褂?
from math import pi
class Circle:
def __init__(self,r):
self.r = r
@property
def perimeter(self):
return 2*pi*self.r
@property
def area(self):
return self.r**2*pi
c1 = Circle(5)
print(c1.area) # 圓的面積
print(c1.perimeter) # 圓的周長(zhǎng)
class Person:
def __init__(self,name,high,weight):
self.name = name
self.high = high
self.weight = weight
@property
def bmi(self):
return self.weight / self.high**2
jin = Person('金老板',1.6,90)
jin.bmi = 18
classmethod
staticmethod
class Person:
def __init__(self,name):
self.__name = name
@property
def name(self):
return self.__name + 'sb'
@name.setter
def name(self,new_name):
self.__name = new_name
tiger = Person('泰哥')
print(tiger.name)
tiger.name = '全班'
print(tiger.name)
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
apple = Goods('蘋(píng)果',5)
print(apple.price)
# 屬性 查看 修改 刪除
class Person:
def __init__(self,name):
self.__name = name
self.price = 20
@property
def name(self):
return self.__name
@name.deleter
def name(self):
del self.__name
@name.setter
def name(self,new_name):
self.__name = new_name
brother2 = Person('二哥')
del Person.price
brother2.name = 'newName'
brother2
del brother2.name
print(brother2.name)
更多文章、技術(shù)交流、商務(wù)合作、聯(lián)系博主
微信掃碼或搜索：z360901061
微信掃一掃加我為好友
QQ號(hào)聯(lián)系： 360901061
您的支持是博主寫(xiě)作最大的動(dòng)力，如果您喜歡我的文章，感覺(jué)我的文章對(duì)您有幫助，請(qǐng)用微信掃描下面二維碼支持博主2元、5元、10元、20元等您想捐的金額吧，狠狠點(diǎn)擊下面給點(diǎn)支持吧，站長(zhǎng)非常感激您！手機(jī)微信長(zhǎng)按不能支付解決辦法：請(qǐng)將微信支付二維碼保存到相冊(cè)，切換到微信，然后點(diǎn)擊微信右上角掃一掃功能，選擇支付二維碼完成支付。
【本文對(duì)您有幫助就好】元
