1. class MyMetaClass(type):
    2.     pass
    4. country = 'China'
    5. def __init__(self,name,age):
    6.     self.name = name
    7.     self.age = age
    9. def tell(self):
    10.     print('%s 的年龄是:%s'%(self.name,self.age))
    12. Person = MyMetaClass('Person',(object,),{'country':country,
    13.                                   '__init__':__init__,
    14.                                   'tell':tell})
    1. # 正常方式
    2. class MyMetaClass(type):
    3.     pass
    5. class Person(object,metaclass=MyMetaClass): #自定义元类,来创建类.
    6.     country = 'China'
    7.     def __init__(self,name,age):
    8.         self.name = name
    9.         self.age = age
    11.     def tell(self):
    12.         print('%s 的年龄是:%s'%(self.name,self.age))
    13. # 传递metaclass 参数