在DRF(Django REST framework)请求中间接分配外键是指在处理HTTP请求时,通过使用DRF提供的序列化器(Serializer)来自动分配外键(Foreign Key)关联的对象。 外键是数据库表之间建立关联关系的一种方式,它能够在两个表之间建立一种依赖关系。在Web开发中,通常使用外键来建立不同数据模型之间的关联,以实现数据的一致性和完...
Serializer小结: Serializer虽然叫序列化,却有2大功能 (序列化、Form验证)3大父类(Serializer,ModelSerializer,HyperlinkedModelSerializer); 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Model...
fromrest_framework.viewsimportAPIViewfromrest_framework.responseimportResponsefrom.serializersimportTeacherSerializer,StudentSerializerfrom.importmodels#创建用户视图类classTeacherView(APIView):#获取用户信息defget(self,request): data=models.Teacher.objects.all() info= TeacherSerializer(data,many=True)returnResponse...
最后我使用RelatedField解决了这个问题，而不是为每个外键使用单独的序列化程序，但嵌套EventSerializer除外...
Many-to-one (foreign key) relation fromVehicle Many-to-many relation fromEngineer Seecarmaker.modelsfor details on the model set up. For this part, I've also set up a couple of views using Django REST Framework generic views with ModelSerializers. Because I want to expand on the APIs lat...
Django 不是为前后端不分离设计的，是为通用的 web 开发设计的。Django 即可以用模版的方式渲染，也...
sMetaclass. Key the dictionary with the name of the field that you want to dynamically expand, and set its value to either the expanded serializer or a tuple where the first element is the serializer and the second is a dictionary of options that will be used to instantiate the serializer....
info = StudentSerializer(data,many=True)returnResponse({"status":200,"msg":"","data":info.data })# 添加数据defpost(self,request): data = request.data flag = models.Student.objects.create(**data)ifnotflag:returnResponse({"status":201,"msg":"学生添加失败","data":[] ...
SIMPLE_JWT = {# token有效时长(返回的 access 有效时长)'ACCESS_TOKEN_LIFETIME': datetime.timedelta(days=5),# token刷新的有效时间(返回的 refresh 有效时长)'REFRESH_TOKEN_LIFETIME': datetime.timedelta(days=5),"TOKEN_OBTAIN_SERIALIZER":"user.serializers.MyTokenObtainPairSerializer", ...
classSirTargetStatusSerializer(serializers.ModelSerializer):status_text=serializers.CharField(source='sir...