获取查询数据

Posted 2020-10-13 chenyang13677

1.在app下，新建一个文件serializers.py添加数据

# coding=utf-8
from rest_framework import serializers
from goods.models import Goods, GoodsCategory


class CategorySerializer(serializers.ModelSerializer):
    class Meta:
        model = GoodsCategory
        fields = ‘__all__‘


class GoodsSerializer(serializers.ModelSerializer):
    category = CategorySerializer()
    #实例化存在外键关系的category
    class Meta:
        model = Goods
        fields = ‘__all__‘


2.在views.py文件里面添加:

from .serializers import GoodsSerializer

from rest_framework import generics

from .models import Goods


class GoodsListView(generics.ListAPIView):
    queryset = Goods.objects.all()[:10]
    serializer_class = GoodsSerializer

3.在urls.py文件里面添加

from goods.views import GoodsListView

url(r‘^goods/$‘, GoodsListView.as_view(), name=‘goods-list‘),