如何从Google Cloud功能将图像文件上传到Google Storage Bucket

文件上传到Google Storage Bucket"/>

如何从Google Cloud功能将图像文件上传到Google Storage Bucket

我有一个Google Cloud功能，该功能可以获取网址的屏幕截图，并且我需要将该图像从Google Cloud功能上传到Google Cloud Bucket中]

我尝试使用下面给出的代码上传它，但是它不起作用并给出错误信息

    /**
     * Responds to any HTTP request.
     *
     * @param {!express:Request} req HTTP request context.
     * @param {!express:Response} res HTTP response context.
     */
    exports.takeScreenshot = (req, res) => {

    const Screenshot = require('url-to-screenshot')
    const Storage = require('@google-cloud/storage')
    const fs = require('fs')
    const bucketName="screenshot_bucket_mujahid"
    new Screenshot('/')
      .width(800)
      .height(600)
      .capture()
      .then(img =>
        Storage
        .bucket(bucketName)
        .upload(img,"mujahid.jpg"))
        console.log('open example.png')
      })

      let message = req.query.message || req.body.message || 'Hello World!';
      res.status(200).send(message);
       };

我有一个Google Cloud功能，该功能可获取url的屏幕快照，我需要将该图像从google cloud功能上传到google cloud bucket，我曾尝试使用下面给出的代码上传该图像...