我有两个模型:
class Book(models.Model):
title = models.CharField(max_length=250)
author = models.CharField(max_length=250)
class WordInBook(models.Model):
book = models.ForeignKey("Book")
word = models.ForeignKey("Word")
对应的序列化程序:
class BookSerializer(ModelSerializer):
wordinbook_set = WordInBookSerializer(many=True)
class Meta:
model = Book
fields = ('id', 'title', 'author', 'wordinbook_set')
class WordInBookSerializer(ModelSerializer):
class Meta:
model = WordInBook
fields = ('word')
现在我想对wordinbook_set进行分页。在序列化器之外很容易:
book = Book.objects.get(pk=book_id)
paginator = Paginator(book.wordinbook_set.all(), 10)
words = paginator.page(page).object_list
但这样让我得到了两个独立的序列化对象。
问题: 在序列化器中如何对wordinbook_set进行分页?
生成的json应该如下所示:
{id: '...', title: '...', author: '...', wordinbook_set: [ 10 WordInBook objects here ]}