Django model meta class https://docs.djangoproject.com/en/1.8/topics/forms/modelforms/#a-full-example class BookForm(ModelForm): class Meta: model = Book fields = ['name', 'authors'] class Book(models.Model): name = models.CharField(max_length=100) authors = models.ManyToManyField(Author) django官网还有很多网络上的tutorial都在class Meta里面使用model =xxx 和 fields =[aaa,bbb]这两个options 但是我在官网上model Meta options却找不到这个用法 https://docs.djangoproject.com/en/1.8/ref/models/options/ 请问有人知道官网上那里可以找到这个reference吗? 谢谢