python 面向对象
class Hello: def __init__(self,name): #定义构造函数,并定义传参 name self._name = name def sayHello(self): # 定义函数 print('hello {0}'.format(self._name)) h = Hello("ljd") h.sayHello() 结果:hello ljd
class Hi(Hello): #继承Hello类 def __init__(self,name): Hello.__init__(self,name) #引用Hello类的构造方法 def sayHi(self): print("Hi {0}".format(self._name)) h1 = Hi('wcf') h1.sayHi() 结果:hello wcf