更简单的方法是直接定义模型类序列化器

定义

from rest_framework import serializers
from .models import Category


# 分类序列化
class CategorySerializer(serializers.ModelSerializer):
    class Meta:
        model = Category
        fields = '__all__'

测试

from categories.serializers import CategorySerializer
serializer = CategorySerializer()
serializer

指定字段

fields 明确指定

class CategorySerializer(serializers.ModelSerializer):
    class Meta:
        model = Cate...