#反射练习

class animal(object):

    def __init__(self,name,fool):

        self.name = name

        self.fool = fool

    def dog(self):

        print("This is %s,it's a dog.it eat %s"%(self.name,self.fool))

d = animal("奶茶","meat")

anml_name = "dog"

#getattr(),用于判断类中是否包含有某方法，如果有相应的方法则会返回类方法的内存地址，加()调用类方法

if getattr(d,anml_name):

    c = getattr(d,anml_name)

    c()

#hasattr()用于判断类中是否包含某方法，如果有这个方法就返回True，没有则返回False

print(hasattr(d,anml_name))

print(hasattr(d,"abc"))

#setattr设置属性值，属性必须存在

setattr(d,'name',"simb")

print("奶茶改名叫：%s"%d.name)