将文件上传到特定目录中的 Google 云

Question

如何在 Google 云上的特定存储桶目录（例如 foo）中上传文件？

"use strict";

const gcloud = require("gcloud");

const PROJECT_ID = "<project-id>";

let storage = gcloud.storage({
  projectId: PROJECT_ID,
  keyFilename: 'auth.json'
});

let bucket = storage.bucket(`${PROJECT_ID}.appspot.com`)
bucket.upload("1.jpg", (err, file) => {
    if (err) { return console.error(err); }
    let publicUrl = `https://firebasestorage.googleapis.com/v0/b/${PROJECT_ID}.appspot.com/o/${file.metadata.name}?alt=media`;
    console.log(publicUrl);
});

我试过了：

bucket.file("foo/1.jpg").upload("1.jpg", ...)

但是那里没有 upload 方法。

如何在 foo 目录中发送 1.jpg？

在 Firebase 中，在客户端，我这样做：

ref.child("foo").put(myFile);

Answer 1

我认为只需将 foo/ 添加到文件名中就可以了，例如 bucket.upload("foo/1.jpg", (err, file) ... 在 GCS 中，目录只需要在文件名中包含一个“/”即可。

Answer 2

bucket.upload("1.jpg", { destination: "YOUR_FOLDER_NAME_HERE/1.jpg" }, (err, file) => {
    //Do something...
});

这会将 1.jpg 放入 YOUR_FOLDER_NAME_HERE 文件夹。

Here is the documentation. By the way, gcloud is deprecated and you should use google-cloud 代替。

Answer 3

如果从同一个项目访问 projectId，keyFilename，.. 不需要，我使用下面的代码进行上传和下载，它工作正常。

// Imports the Google Cloud client library
const Storage = require('@google-cloud/storage');
const storage = new Storage();
var destFilename = "./test";
var bucketName = 'cloudtesla';
var srcFilename = 'test';

  const options = {
    destination: destFilename,
  };


//upload file
console.log("upload Started");
storage.bucket(bucketName).upload(srcFilename, {}, (err, file) => {

        if(!err)
        console.log("upload Completed");
        else
        console.log(err);
});


//Download file
console.log("Download Started");
  storage
    .bucket(bucketName)
    .file(srcFilename)
    .download(options)
    .then(() => {
      console.log("Download Completed");
    })
    .catch(err => {
      console.error('ERROR:', err);
    });

Answer 4

给你...

const options = {
  destination: 'folder/new-image.png',
  resumable: true,
  validation: 'crc32c',
  metadata: {
    metadata: {
      event: 'Fall trip to the zoo'
    }
  }
};

bucket.upload('local-image.png', options, function(err, file) {
  // Your bucket now contains:
  // - "new-image.png" (with the contents of `local-image.png')

  // `file` is an instance of a File object that refers to your new file.
});

Answer 5

如果您想在将文件上传到存储桶时使用异步等待，回调将无法完成这项工作，这就是我的做法。

async function uploadFile() {
    const destPath = 'PATH_TO_STORAGE/filename.extension';

    await storage.bucket("PATH_TO_YOUR_BUCKET").upload(newFilePath, {
        gzip: true,
        destination: destPath,  
    });
}

希望对大家有所帮助！

Answer 6

2020 年更新

根据 google 文档：

const { Storage } = require('@google-cloud/storage');
const storage = new Storage()
const bucket = storage.bucket('YOUR_GCLOUD_STORAGE_BUCKET')
const blob = bucket.file('youFolder/' + 'youFileName.jpg')

const blobStream = blob.createWriteStream({
    resumable: false,
    gzip: true,
    public: true
})

blobStream.on('error', (err) => {
    console.log('Error blobStream: ',err)
});

blobStream.on('finish', () => {
// The public URL can be used to directly access the file via HTTP.
    const publicUrl = ('https://storage.googleapis.com/'+ bucket.name + '/' + blob.name)
    res.status(200).send(publicUrl);
});

blobStream.end(req.file.buffer)//req.file is your original file

Answer 7

要在 .NET Core 中的特定目录内上传，请使用

var uploadResponse= await storageClient.UploadObjectAsync(bucketName, $"{foldername}/"+fileName, null, memoryStream);

这应该将您的文件“fileName”上传到存储桶

中的文件夹“foldername”中

将文件上传到特定目录中的 Google 云

Upload a file to Google Cloud, in a specific directory

node.js

google-cloud-storage