from rest_framework import serializers from .models import Author, Book class AuthorSerializer(serializers.ModelSerializer): class Meta: model = Author fields = ['id', 'name'] class BookSerializer(serializers.ModelSerializer): author = AuthorSerializer() class Meta: model = Book fields = ['id...
自定义的serializers类,有3中可继承的父类; 1、serializers.Serializer:手动指定需要序列化和验证的字段 2、serializers.ModelSerializer:自动获取需要序列化和验证的字段(类似ModelFrom功能) 3、serializers.HyperlinkedModelSerializer 自动生成超链接 7、分页 当用户向我们的REST framework提交查询请求时候,怎么能把数据...
(serializer.data) # 反序列化 # 将数据流解析为python本地的数据类型 import io from rest_framework.parsers import JSONParser stream = io.BytesIO(json) data = JSONParser().parse(stream) # 将本地数据类型还原到一个经过验证的数据字典中serializer.is_valid() # True # 打印验证过的数据 print(...
REST_FRAMEWORK = { 'DEFAULT_FILTER_BACKENDS': ('django_filters.rest_framework.DjangoFilterBackend',) } 1. 2. 3. 或者将过滤器加到单个View或ViewSet中(一般使用这种): from django_filters.rest_framework import DjangoFilterBackend from rest_framework.viewsets import ModelViewSet class UserListView(Mode...
更新您的CartSerializer to_response方法以动态更改/添加特定字段的值输出。下面的代码使用合适的名称就可以...
...'rest_framework.authtoken') 注意: rest_framework.authtoken应用一定要放到INSTALLED_APPS,并且确保在更改设置后运行python manage.py migrate。 rest_framework.authtoken应用需要创建一张表用来存储用户与Token的对应关系。 数据库迁移完成后,可以看到多了一个authtoken_token表,表结构如下 ...
django restframework脚手架项目 使用Django开发REST接口 1. restful风格开发: 以图书的查询、增加、修改、删除为例: 需要两个类视图,一个不包含pk(上边那两个),一个包含pk(下边那三个) 最基本的项目目录: views.py from django.views import View class BooksView(View):...
importdjango_filtersfrommyapp.modelsimportProductfrommyapp.serializers impoert ProductSerializerfromrest_frameworkimportfiltersfromrest_frameworkimportgenericsclassProductFilter(filters.FilterSet):min_price=django_filters.NumberFilter(name=’price’,lookup_type=”gte”)max_price=django_filters.NumberFilter(name...
from rest_framework.metadata import SimpleMetadata from rest_framework.serializers import ManyRelatedField class CustomMetadata(SimpleMetadata): def get_field_info(self, field): field_info = super().get_field_info(field) if (not field_info.get('read_only') and isinstance(field, ManyRelatedField...
Note:The relational fields are declared inrelations.py, but by convention you should import them from theserializersmodule, usingfrom rest_framework import serializersand refer to fields asserializers.<FieldName>. API Reference In order to explain the various types of relational fields, we'll use...