django 二维码 打包成压缩包下载

    def download(self, request, pk=None):
        import qrcode
        instance = self.get_object()
        response = HttpResponse(content_type='application/zip')  # 指明下载的文件格式
        response['Content-Disposition'] = 'attachment;filename=QrCode.zip'
        with zipfile.ZipFile(response, "w", zipfile.ZIP_DEFLATED) as zip_fp:
            for _ in QrCode.objects.filter(business_apply=instance):
                img = qrcode.make(SERVER_URL+str(_.uuid)) 
                with zip_fp.open(f"{_.uuid}.png", "w") as f:
                    img.save(f)
        return response