我在django rest框架中使用以下代碼來實現put和patch功能。 PATCH(partial_update)工作正常,但是,爲PUT提供更少的字段將不會像PUT請求應該那樣替換整個資源。例如,如果數據看起來像下面這樣:在Django rest框架中HTTP PUT無法正常工作
{
"id": 6,
"name": "crticial MVP",
"description": "getting things done",
"end": "2012-02-18"
}
如果我試圖用(上http://localhost:800/api/sprints/6/)下列數據的PUT:
{
"name": "critical MVP2",
"end": "2012-02-18"
}
該調用應設置說明無。但是描述保留了它的價值,就好像我正在做PATCH一樣。我將如何在更新功能中強制執行資源替換?
PS:在初始化串行器進行更新時,我設置了partial = False。
views.py:
class SprintViewSet(viewsets.ModelViewSet):
queryset = Sprint.objects.order_by('end')
serializer_class = SprintSerializer
def update(self, request, *args, **kwargs):
sprint=self.get_object()
serializer = SprintSerializer(sprint, data=request.data, partial=False,
context={'request': request, 'view':self, 'format':None})
serializer.is_valid(raise_exception=True)
serializer.save()
return Response(serializer.data)
def partial_update(self, request, *args, **kwargs):
instance = self.get_object()
serializer = SprintSerializer(instance, data=request.data, partial=True,
context={'request': request, 'view':self, 'format':None})
serializer.is_valid(raise_exception=True)
new_instance = serializer.save()
return Response(serializer.data)
serializers.py:
class SprintSerializer(serializers.ModelSerializer):
links = serializers.SerializerMethodField()
class Meta:
model = Sprint
fields = ('id', 'name', 'description', 'end', 'links')
def get_links(self, obj):
request = self.context['request']
return {
'self': reverse('sprint-detail',
kwargs={'pk': obj.pk},request=request),
}
models.py
class Sprint(models.Model):
name = models.CharField(max_length=100, blank=True, default='')
description = models.TextField(blank=True, default='')
end = models.DateField(unique=True)
def __str__(self):
return self.name or _('Sprint ending %s') % self.end