我对Python和Django框架还比较陌生,遇到了一个我找不到太多信息的问题,我目前正在学习Django教程:
https://docs.djangoproject.com/en/2.2/intro/tutorial02/
question=models.ForeignKey(问题,on_delete=models.cascade)
AttributeError:模块'django.db.models'没有属性'cascade'
我觉得有些事情很简单,我不想做,我很想得到帮助。
from django.db import models
class Question(models.Model):
question_text = models.CharField(max_length=200)
pub_date = models.DateTimeField('date published')
class Choice(models.Model):
question = models.ForeignKey(Question, on_delete=models.cascade)
choice_text = models.CharField(max_length=200)
votes = models.IntegerField(default=0)
上面说我应该得到:
Migrations for 'polls':
polls/migrations/0001_initial.py:
- Create model Choice
- Create model Question
- Add field question to choice