如何使用多节点 js 将图像上传到 Google 云

Question

如果存储是 memoryStorage，我已经在 NodeJS 中使用 Multer 完成上传，因为文件首先保存在缓冲区中，然后我可以从缓冲区上传到 Google 驱动器，

但是如果使用 memoryStorage 我不能重命名图像文件，

我用的是multer.diskStorage，但是当我post的时候，文件上传成功了，但是图片没有上传，文件变小了，只有10B。

这是我在 helper 中的代码，具有 uploadImage 功能

const util = require('util')
const gc = require('../config/')
const bucket = gc.bucket('jsimage')//bucket name

const { format } = util

const uploadImage = (file) => new Promise((resolve, reject) => {
  console.log(file);
  //const { originalname, buffer } = file
  const { filename, destination } = file

  //const blob = bucket.file(originalname.replace(/ /g, "_"))
  const blob = bucket.file(filename)
  const blobStream = blob.createWriteStream({
    resumable: false
  })

  blobStream.on('finish', () => {
    const publicUrl = format(
      `https://storage.googleapis.com/${bucket.name}/${blob.name}`
    )
    resolve(publicUrl)
  })
  .on('error', () => {
    reject(`Unable to upload image, something went wrong`)
  })
  //.end(buffer)
  .end(destination)

})

module.exports = uploadImage

使用上面的代码我成功上传到 Google 驱动器但不是图片，因为大小总是 10B。

Answer 1

本例中图片上传到temp或者本地任意文件夹后，我们就可以上传到google云端

const util = require('util')
const gc = require('../config/')
const bucket = gc.bucket('jsimage')//bucket name di google drive
const path = require('path')

const { format } = util

// promises are built right away, so there's no need for then to resolve and catch for errors
const uploadImage = (file) => new Promise((resolve, reject) => {
  //console.log(file);
  const {filename} = file;
  const picture = path.join(__dirname,'../uploads/',filename);

  // This is the upload command
  bucket.upload(picture);

  // This is sent to return
  const publicUrl = format(
    `https://storage.googleapis.com/${bucket.name}/${filename}`
  )

  resolve(publicUrl)

  reject(err=>(err))

})

module.exports = uploadImage

如何使用多节点 js 将图像上传到 Google 云

How to upload image to Google Cloud with multer node js

javascript

image

node.js

google-cloud-platform

multer