查询用户的状态是2或者是4的情况

空值和空字符串是不一样的东西！！！

Python 3.7.6 (default, Jan  8 2020, 20:23:39) [MSC v.1916 64 bit (AMD64)]

Type 'copyright', 'credits' or 'license' for more information

IPython 7.12.0 -- An enhanced Interactive Python. Type '?' for help.

PyDev console: using IPython 7.12.0

Python 3.7.6 (default, Jan  8 2020, 20:23:39) [MSC v.1916 64 bit (AMD64)] on win32

Django 1.11.29

from weibo.models import WeiboUser as User

user = User.objects.get(pk=3)

user

Out[4]: <WeiboUser: User:zhangsan pk:3,nickname:qq>

from weibo.models import Weibo

 weibo = Weibo.objects.create(user=user,content='微博内容')

weibo.pk

Out[8]: 1

from weibo.models import Commont

Commont.objects.create(user=user,weibo=weibo,content='zhangsan 评论')

Out[10]: <Commont: Commont object>

Commont.objects.create(user=user,weibo=weibo,content='zhangsan 评论2')

Out[11]: <Commont: Commont object>

quan = User.objects.get(pk=2)

Commont.objects.create(user=quan,weibo=weibo,content='quan评论')

Out[13]: <Commont: Commont object>

Commont.objects.create(user=quan,weibo=weibo,content='quan评论2')

Out[14]: <Commont: Commont object>