在谷歌云存储中获取/设置元数据- node.js

const { Storage } = require('@google-cloud/storage');

async function getMetadata(bucketName, fileName) {
  const storage = new Storage();
  const bucket = storage.bucket(bucketName);
  const file = bucket.file(fileName);

  const [metadata] = await file.getMetadata();

  console.log('Metadata:', metadata);
}

getMetadata('my-bucket', 'my-file.txt');

const { Storage } = require('@google-cloud/storage');

async function setMetadata(bucketName, fileName, metadata) {
  const storage = new Storage();
  const bucket = storage.bucket(bucketName);
  const file = bucket.file(fileName);

  await file.setMetadata(metadata);

  console.log('Metadata set successfully.');
}

setMetadata('my-bucket', 'my-file.txt', {
  contentType: 'text/plain',
  customMetadata: {
    key1: 'value1',
    key2: 'value2'
  }
});