Django-DRF | 超链接

class CategorySerializer(serializers.ModelSerializer):
    column = ColumnSerializer()
    class Meta:
        model = Category
        fields = ['id','name', 'column']

class ArticleSerializer(serializers.ModelSerializer):
    # view_name表示路由的别名,注意如果不是根目录下，则需要使用命名空间来：，
    # lookup_field:根据表指定字段，来拼路径，生成链接
    # lookup_url_kwarg：默认是pk，（urls.py中的指定的pk）可以不写，反向解析有名分组的名字。
    category = serializers.HyperlinkedIdentityField(view_name='api:category_detail', lookup_field='category_id', lookup_url_kwarg='pk')
    class Meta:
        model = Article
        fields = ['id', 'title', 'keywords', 'description', 'cover', 'read_num', 'like_num', 'category', 'tag', 'author']

urlpatterns = [
    path('articles/', ArticListleView.as_view(), name='article_list' ),
    path('articles/<int:pk>/', ArticleDetailView.as_view(), name='article_detail'),
    path('categories/<int:pk>/', CategoryDetailView.as_view(), name='category_detail'),
]

class CategoryDetailView(generics.RetrieveUpdateDestroyAPIView):
    queryset = Category.objects.all()  # 查询结果集
    serializer_class = CategorySerializer  # 序列化类

class ArticListleView(generics.ListCreateAPIView):
    queryset = Article.objects.all()  # 查询结果集
    serializer_class = ArticleSerializer # 序列化类