问题描述
import datetime
from django.db import models
from django.utils import timezone
class Question(models.Model):
def was_published_recently(self):
return self.pub_date >= timezone.now() - datetime.timedelta(days=1)
def __str__(self):
return self.question_text
question_text = models.CharField(max_length=200)
pub_date = models.DateTimeField('date published')
class Choice(models.Model):
def __str__(self):
return self.choice_text
question = models.ForeignKey(Question, on_delete=models.CASCADE)
choice_text = models.CharField(max_length=200)
votes = models.IntegerField(default=0)
obj = Question.objects.all()
obj2 = models.Model.objects.all()
标签: pythondjangodjango-models
解决方案
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