py06_08-2：类方法

 

 

 

 

 

 

 

 

 

class Person(object):
    count = 0

    @classmethod
    def show_people_count(cls):
        print('显示创建的人数：%s' % cls.count)

    def __init__(self, name):
        self.name = name
        Person.count += 1


P1 = Person('yeyu')
Person.show_people_count()