django 自己保存文件

def post(self, request):
    ""设置用户头像"""

    user_logo = request.FILES.get("user_logo")

    if not user_logo:
        return JsonResponse({"error": "参数错误"})
    user = Users.objects.first()
    from django.core.files.storage import FileSystemStorage
    file = FileSystemStorage()
    user.image = file.save("image/%s_%s.png" % (timezone.now().strftime("%Y%m%d%H%M%S"), user.name), user_logo)
    account.save()