drf处理文件

class Picture(View):
    def post(self,request):
        username = request.POST.get('username')
        fafafa = request.FILES.get('fafafa')
        print(username, fafafa)
        print(fafafa.chunks())
        with open(fafafa.name,"wb") as f:
            for i in fafafa.chunks():
                f.write(i)
        ret = {'code': True, 'data': request.POST.get('username')}
        data = {
            'id': 1,
            'name': 'zhangsan',
            'method': 'POST'
        }
        return JsonResponse(data)