使用 JavaScript 或 TypeScript 设置或更改块 blob 的访问层

async function uploadWithAccessTier(containerClient, blobName) {

  const fileContentsAsString = `Hello from a string`

  // upload blob to `Cool` access tier
  const uploadOptions = {
    // 'Hot', 'Cool', 'Cold', or 'Archive'
    tier: 'Cool',
  }

  // Create blob client from container client
  const blockBlobClient = containerClient.getBlockBlobClient(blobName);

  // Upload string
  await blockBlobClient.upload(fileContentsAsString, fileContentsAsString.length, uploadOptions);

  // Return client to continue with other operations
  return blockBlobClient;
}

async function uploadWithAccessTier(
  containerClient: ContainerClient,
  blobName: string
): Promise<BlockBlobClient> {

  const fileContentsAsString = `Hello from a string`;

  // Upload blob to cool tier
  const uploadOptions: BlockBlobUploadOptions = {
    // 'Hot', 'Cool', 'Cold', or 'Archive'
    tier: 'Cool',
  };

  // Create blob client from container client
  const blockBlobClient: BlockBlobClient =  containerClient.getBlockBlobClient(blobName);

  // Upload string
  const uploadResult = await blockBlobClient.upload(
    fileContentsAsString,
    fileContentsAsString.length,
    uploadOptions
  );

  if (uploadResult.errorCode) throw Error(uploadResult.errorCode);

  // Return client to continue with other operations
  return blockBlobClient;
}

async function main(blockBlobClient) {

  // Get current access tier
  const { accessTier } = await blockBlobClient.getProperties();
  console.log(`Current access tier: ${accessTier}`);

  // 'Hot', 'Cool', or 'Archive'
  const newAccessTier = 'Cool';

  // Rehydrate priority: 'High' or 'Standard'
  const rehydratePriority = 'High';

  const result = await blockBlobClient.setAccessTier(
    newAccessTier,
    { rehydratePriority }
  );

  if (result?.errorCode == undefined) {
    console.log(`Change to access was successful`);
  } else {
    console.log(result);
  }
}

async function main(blockBlobClient: BlockBlobClient): Promise<void> {
  const options: BlobGetPropertiesOptions = {};

  // Get current access tier
  const { errorCode, accessTier } = await blockBlobClient.getProperties(
    options
  );
  if (!errorCode) {
    console.log(`Current access tier: ${accessTier}`);
  }

  // 'Hot', 'Cool', or 'Archive'
  const newAccessTier = 'Cool';

  // Rehydrate priority: 'High' or 'Standard'
  const tierOptions: BlobSetTierOptions = {
    rehydratePriority: 'High'
  };

  const result: BlobSetTierResponse = await blockBlobClient.setAccessTier(
    newAccessTier,
    tierOptions
  );

  if (!result?.errorCode) {
    console.log(`Change to access was successful`);
  } else {
    console.log(result);
  }
}

async function copyBlobWithDifferentAccessTier(containerClient) {

  // create blob clients
  const sourceBlobClient = containerClient.getBlobClient(originalBlob);
  const destinationBlobClient = containerClient.getBlobClient(copyBlob);

  // start copy, access tiers include `Hot`, `Cool`, `Cold`, `Archive`
  const copyPoller = await destinationBlobClient.beginCopyFromURL(sourceBlobClient.url, { tier: 'Hot' });
  console.log('start copy from original to copy');

  // wait until done
  await copyPoller.pollUntilDone();
  console.log('copy finished')
}

async function copyBlobWithDifferentAccessTier(
  containerClient: ContainerClient
): Promise<void> {

  // create blob clients
  const sourceBlobClient: BlobClient = containerClient.getBlobClient(
    originalBlob
  );
  const destinationBlobClient: BlobClient = containerClient.getBlobClient(
    copyBlob
  );

  const copyOptions: BlobBeginCopyFromURLOptions = { tier: 'Hot' };

  // start copy, access tiers include `Hot`, `Cool`, `Cold`, `Archive`
  const copyPoller = await destinationBlobClient.beginCopyFromURL(
    sourceBlobClient.url,
    copyOptions
  );
  console.log('start copy from original to copy');

  // wait until done
  await copyPoller.pollUntilDone();
  console.log('copy finished');
}

async function main(containerClient) {

  // Prep array
  const blockBlobCount = 3;
  const blockBlobClients = new Array(blockBlobCount);

  // Create container and blobs in `Hot` tier
  await prepContainer(containerClient, blockBlobCount, blockBlobClients);

  // Blob batch client and batch
  const containerScopedBatchClient = containerClient.getBlobBatchClient();
  const blobBatch = containerScopedBatchClient.createBatch();

  // Assemble batch to set tier to `Cool` tier
  for (let i = 0; i < blockBlobCount; i++) {
    await blobBatch.setBlobAccessTier(blockBlobClients[i].url, sharedKeyCredential, "Cool", {});
  }

  // Submit batch request and verify response
  const resp = await containerScopedBatchClient.submitBatch(blobBatch, {});
  console.log(`Requested ${blockBlobCount}, batched ${resp.subResponses.length}, success ${resp.subResponsesSucceededCount}, failure ${resp.subResponsesFailedCount}`);

  // Examine each batch item
  for (let i = 0; i < blockBlobCount; i++) {

    // Check blob tier set properly
    const resp2 = await blockBlobClients[i].getProperties();
    console.log(`[${i}] access tier ${resp2.accessTier}, status ${resp.subResponses[i].status}, message ${resp.subResponses[i].statusMessage}`)
  }
}

async function batchChangeAccessTier(
  containerClient: ContainerClient
): Promise<void> {
  // Prep array
  const blockBlobCount = 3;
  const blockBlobClients: BlockBlobClient[] = new Array(blockBlobCount);

  // Create container and blobs in `Hot` tier
  await prepContainer(containerClient, blockBlobCount, blockBlobClients);

  // Blob batch client and batch
  const containerScopedBatchClient: BlobBatchClient =
    containerClient.getBlobBatchClient();
  const blobBatch: BlobBatch = containerScopedBatchClient.createBatch();

  // Assemble batch to set tier to `Cool` tier
  for (let i = 0; i < blockBlobCount; i++) {
    await blobBatch.setBlobAccessTier(
      blockBlobClients[i].url,
      sharedKeyCredential,
      'Cool',
      {}
    );
  }

  // Submit batch request and verify response
  const resp = await containerScopedBatchClient.submitBatch(blobBatch, {});

  if (resp.errorCode) throw Error(resp.errorCode);

  console.log(
    `Requested ${blockBlobCount}, batched ${resp.subResponses.length}, success ${resp.subResponsesSucceededCount}, failure ${resp.subResponsesFailedCount}`
  );

  // Examine each batch item
  for (let i = 0; i < blockBlobCount; i++) {
    // Check blob tier set properly
    const resp2 = await blockBlobClients[i].getProperties();

    if (resp2.errorCode) throw Error(resp2.errorCode);

    console.log(
      `[${i}] access tier ${resp2.accessTier}, status ${resp.subResponses[i].status}, message ${resp.subResponses[i].statusMessage}`
    );
  }
}