37,719
社区成员
发帖
与我相关
我的任务
分享
class Qhpz: #定义类:期货品种
i='meiyuan' #定义类变量(属性)
h='renminbi'
def __init__(self,open,close,hight,low):
self.open=open #定义实例属性(实例变量)
self.close = close
self.hight = hight
self.low = low
def mcf(self, open, close, hight, low): #定义方法,美棉
print(Qhpz.i, self.open, self.close, self.hight, self.low) #类变量的使用Qhpz.i
def cf(self, open, close, hight, low):
print(self.cf)
def set_cf(self,open,close,hight,low): #定义方法,郑棉
print(Qhpz.h,self.open,self.close,self.hight,self.low) #对象变量的使用self.open
x=Qhpz(15,20,25,30) #对象实例化(创建对象)
x.mcf(15,20,25,30) #meiyuan 15 20 25 30
y=Qhpz(30,40,50,60) #对象实例化(创建对象)
y.set_cf(30,40,50,60) #renminbi 30 40 50 60
z=Qhpz(1,2,3,4)
z.cf(1,2,3,4) #<bound method Qhpz.cf of <__main__.Qhpz object at 0x000000000277A710>>