根据request文档，您可以使用

request.get(sourceUrl).pipe(request.post(targetUrl))

在此方案中，数据将从sourceUrl流到targetUrl，但无需保存在服务器上的临时文件中.

in this scheme, the data will flow from sourceUrl to targetUrl but will not need to be saved in a temporary file on the server.

cf https://github.com/request/request#streaming 了解更多详细信息.

cf https://github.com/request/request#streaming for more details.