from django.db import models
class Blog(models.Model): # ... pass
class Entry(models.Model): blog = models.ForeignKey(Blog, on_delete=models.CASCADE,db_constraint=False)
当 db_constraint=False 时, 保存也必须要调用 Model 吗? Entry.objects.create(Blog(id=1)) 有没有能直接值传入吗? Entry.objects.create(blog=1)