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我試圖使用Django Rest Framework和Android Studio上傳照片，但當我嘗試檢索此圖像時，我始終爲空。使用Django Rest Framework上傳照片
Models.py：
class FotoCliente(models.Model):
image = models.ImageField(upload_to='userpic/%Y/%m/%d/', null = true, max_length = 255)
Serializer.py
class FotoClienteSerializer(serializers.HyperlinkedModelSerializer):
#id_cliente_cliente = ClienteSerializer()
class Meta:
model = FotoCliente
fields = ('id','image','url')
Views.py
class PhotoList(APIView):
def get(self, request, format = None):
photo = FotoCliente.objects.all()
serializer = FotoClienteSerializer(photo, many = True)
return Response(data= serializer.data, status = status.HTTP_200_OK)
def post(self, request, format = None):
serializer = FotoClienteSerializer(data=request.data, context={'request':request})
if serializer.is_valid():
serializer.save()
return Response(serializer.data, status = status.HTTP_201_CREATED)
return Response(serializer.errors, status = status.HTTP_400_BAD_REQUEST)
class PhotoDetail(APIView):
def get_object(self, pk):
try:
return FotoCliente.objects.get(pk=pk)
except:
return Http404
def get(self, request, pk,format=None):
photo = self.get_object(pk)
serializer = FotoClienteSerializer(photo,context={'request':request})
return Response(data=serializer.data, status = status.HTTP_200_OK)
def post(self, request, format = None):
serializer = FotoClienteSerializer(data=request.data, files = request.FILES)
if serializer.is_valid():
serializer.save()
return Response(serializer.data, status = status.HTTP_201_CREATED)
else:
return Response(serializer.errors, status = status.HTTP_400_BAD_REQUEST)
def delete(self, request, pk, format= None):
photo = self.get_object(pk)
photo.delete()
return Response(status=status.HTTP_204_NO_CONTENT)
def put (self, request, pk, format= None):
photo = self.get_object(pk)
serializer = FotoClienteSerializer(photo, data= request.data)
if serializer.is_valid():
serializer.save()
return Response(serializer.data)
return Response(serializer.errors, status = status.status.HTTP_400_BAD_REQUEST)
Urls.py
url(r'^api/fotos/$', views.PhotoList.as_view(), name ='fotocliente-list'),
url(r'api/fotos/(?P<pk>[0-9]+)/$', views.PhotoDetail.as_view(), name = 'fotocliente-detail'),
結果：
{ 「ID」：7， 「圖像」：空， 「URL」： 「http://127.0.0.1:8080/api/fotos/7/」}
Android
上傳圖片我正在使用ion koush library for Android。
Ion.with(editClientActivity.this)
.load("POST", url) //url de query
.setHeader("Cache-Control", "No-Cache")//desabilitando cache denovo porque essa parada é bug
.setHeader("Authorization", getIntent().getExtras().getString("token"))//token de acesso
.noCache()//desabilitando cache
//.setLogging("LOG",Log.VERBOSE)//para debug
.setMultipartParameter("application/json",dadosFoto.toString())
.setMultipartFile("foto","multipart/form-data",file)
.asJsonObject() //array recebida
.setCallback(new FutureCallback<JsonObject>() {
@Override
public void onCompleted(Exception e, JsonObject result) {
// do stuff with the result or error
Log.v("R Foto: ", "" + result);
if (e != null) {
Toast.makeText(editClientActivity.this, "Erro na Query: " + e, Toast.LENGTH_LONG).show(); //cria balao de texto na view indicada
Log.v("Query Error: ", "" + e.getMessage()); //DEBUG
}
Toast.makeText(editClientActivity.this, "Cliente de cara nova ;) !", Toast.LENGTH_LONG).show();
intent = new Intent(getApplicationContext(), clientSummaryActivity.class); // cria nova intent
intent.putExtra("cpfCliente",date.toDbCpf(cpfCliente.getText().toString()));
intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
startActivity(intent);
}
});