python 内部类 

 1 class Group(models.Model):
 2    
 3     name = models.CharField(_('name'), max_length=80, unique=True)
 4     permissions = models.ManyToManyField(
 5         Permission,
 6         verbose_name=_('permissions'),
 7         blank=True,
 8     )
 9 
10     objects = GroupManager()
11 
12     class Meta:
13         verbose_name = _('group')
14         verbose_name_plural = _('groups')
15 
16     def __str__(self):
17         return self.name
18 
19     def natural_key(self):
20         return (self.name,)
View Code
 1 # -*- coding:utf-8 -*-
 2 __author__ = 'webber'
 3 """
 4 2016.11.25
 5 在看Django的源码django.contrib.auth.models时，发现了一个类内嵌套了一个类，问了下师兄这叫内部类，
 6 下面是个例子，简单记录下
 7 """
 8 
 9 class parent:
10 
11     def __init__(self):
12         self.name = "parent"
13 
14     def getName(self):
15         print self.name
16 
17     class child:
18 
19         def __init__(self):
20             self.name = "child"
21 
22         def getName(self):
23             print self.name
24 
25 if __name__ == "__main__":
26     # child = parent.child()
27     # child.getName()
28 
29     p = parent()
30     p.getName()
31 
32     print "================="
33     c = p.child()
34     c.getName()

 

posted @ 2016-11-25 13:08  webber_liu  阅读(9266)  评论(1)  编辑  收藏  举报