在子類中呼叫父類的方法
阿新 • • 發佈:2018-12-10
在子類中呼叫父類的方法
class Vehicle: Country='China' def __init__(self,name,speed,load,power): self.name=name self.speed=speed self.load=load self.power=power def run(self): print('開動啦') print('開動啦') class Subway(Vehicle): def __init__(self,name,speed,load,power,line): Vehicle.__init__(self,name,speed,load,power) self.line=line def show_info(self): print(self.name,self.speed,self.load,self.power,self.line) def run(self): Vehicle.run(self) print('%s %s 線,開動啦' %(self.name,self.line)) line13=Subway('北京地鐵','10km/s',1000000000,'電',13) line13.show_info() line13.run()
super方法的使用
class Vehicle1: Country='China' def __init__(self,name,speed,load,power): self.name=name self.speed=speed self.load=load self.power=power def run(self): print('開動啦') print('開動啦') class Subway(Vehicle1): def __init__(self,name,speed,load,power,line): # Vehicle.__init__(self,name,speed,load,power) # super().__init__(name,speed,load,power) #super(__class__,self).__init__(name,speed,load,power) super(Subway,self).__init__(name,speed,load,power)#等價於上面的方式 self.line=line def show_info(self): print(self.name,self.speed,self.load,self.power,self.line) def run(self): # Vehicle.run(self) super().run() print('%s %s 線,開動啦' %(self.name,self.line)) line13=Subway('北京地鐵','10km/s',1000000000,'電',13) line13.show_info() line13.run() print(line13.__class__)