使用具有版本控制的对象

namespace gcs = ::google::cloud::storage;
[](gcs::Client client, std::string const& bucket_name) {
  for (auto&& object_metadata :
       client.ListObjects(bucket_name, gcs::Versions{true})) {
    if (!object_metadata) throw std::move(object_metadata).status();

    std::cout << "bucket_name=" << object_metadata->bucket()
              << ", object_name=" << object_metadata->name()
              << ", generation=" << object_metadata->generation() << "\n";
  }
}

using Google.Cloud.Storage.V1;
using System;
using System.Collections.Generic;

public class ListFileArchivedGenerationSample
{
	public IEnumerable<Google.Apis.Storage.v1.Data.Object> ListFileArchivedGeneration(string bucketName = "your-bucket-name")
	{
		var storage = StorageClient.Create();

		var storageObjects = storage.ListObjects(bucketName, options: new ListObjectsOptions
		{
			Versions = true
		});

		foreach (var storageObject in storageObjects)
		{
			Console.WriteLine($"Filename: {storageObject.Name}, Generation: {storageObject.Generation}");
		}

		return storageObjects;
	}
}

import (
	"context"
	"fmt"
	"io"
	"time"

	"cloud.google.com/go/storage"
	"google.golang.org/api/iterator"
)

// listFilesAllVersion lists both live and noncurrent versions of objects within specified bucket.
func listFilesAllVersion(w io.Writer, bucket string) error {
	// bucket := "bucket-name"
	ctx := context.Background()
	client, err := storage.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("storage.NewClient: %w", err)
	}
	defer client.Close()

	ctx, cancel := context.WithTimeout(ctx, time.Second*10)
	defer cancel()

	it := client.Bucket(bucket).Objects(ctx, &storage.Query{
		// Versions true to output all generations of objects
		Versions: true,
	})
	for {
		attrs, err := it.Next()
		if err == iterator.Done {
			break
		}
		if err != nil {
			return fmt.Errorf("Bucket(%q).Objects(): %w", bucket, err)
		}
		fmt.Fprintln(w, attrs.Name, attrs.Generation, attrs.Metageneration)
	}
	return nil
}

import com.google.api.gax.paging.Page;
import com.google.cloud.storage.Blob;
import com.google.cloud.storage.Bucket;
import com.google.cloud.storage.Storage;
import com.google.cloud.storage.StorageOptions;

public class ListObjectsWithOldVersions {
  public static void listObjectsWithOldVersions(String projectId, String bucketName) {
    // The ID of your GCP project
    // String projectId = "your-project-id";

    // The ID of your GCS bucket
    // String bucketName = "your-unique-bucket-name";
    Storage storage = StorageOptions.newBuilder().setProjectId(projectId).build().getService();
    Bucket bucket = storage.get(bucketName);
    Page<Blob> blobs = bucket.list(Storage.BlobListOption.versions(true));

    for (Blob blob : blobs.iterateAll()) {
      System.out.println(blob.getName() + "," + blob.getGeneration());
    }
  }
}

/**
 * TODO(developer): Uncomment the following lines before running the sample.
 */
// The ID of your GCS bucket
// const bucketName = 'your-unique-bucket-name';

// Imports the Google Cloud client library
const {Storage} = require('@google-cloud/storage');

// Creates a client
const storage = new Storage();

async function listFilesWithOldVersions() {
  const [files] = await storage.bucket(bucketName).getFiles({
    versions: true,
  });

  console.log('Files:');
  files.forEach(file => {
    console.log(file.name, file.generation);
  });
}

listFilesWithOldVersions().catch(console.error);

use Google\Cloud\Storage\StorageClient;

/**
 * List objects in a specified bucket with all archived generations.
 *
 * @param string $bucketName The name of your Cloud Storage bucket.
 *        (e.g. 'my-bucket')
 */
function list_file_archived_generations(string $bucketName): void
{
    $storage = new StorageClient();
    $bucket = $storage->bucket($bucketName);

    $objects = $bucket->objects([
        'versions' => true,
    ]);

    foreach ($objects as $object) {
        print($object->name() . ',' . $object->info()['generation'] . PHP_EOL);
    }
}

from google.cloud import storage


def list_file_archived_generations(bucket_name):
    """Lists all the blobs in the bucket with generation."""
    # bucket_name = "your-bucket-name"

    storage_client = storage.Client()

    blobs = storage_client.list_blobs(bucket_name, versions=True)

    for blob in blobs:
        print(f"{blob.name},{blob.generation}")

def list_file_archived_generations bucket_name:
  # The ID of your GCS bucket
  # bucket_name = "your-unique-bucket-name"

  require "google/cloud/storage"

  storage = Google::Cloud::Storage.new
  bucket = storage.bucket bucket_name

  bucket.files.each do |file|
    puts "#{file.name},#{file.generation}"
  end
end

namespace gcs = ::google::cloud::storage;
using ::google::cloud::StatusOr;
[](gcs::Client client, std::string const& source_bucket_name,
   std::string const& source_object_name,
   std::string const& destination_bucket_name,
   std::string const& destination_object_name,
   std::int64_t source_object_generation) {
  StatusOr<gcs::ObjectMetadata> copy =
      client.CopyObject(source_bucket_name, source_object_name,
                        destination_bucket_name, destination_object_name,
                        gcs::SourceGeneration{source_object_generation});
  if (!copy) throw std::move(copy).status();

  std::cout << "Successfully copied " << source_object_name << " generation "
            << source_object_generation << " in bucket " << source_bucket_name
            << " to bucket " << copy->bucket() << " with name "
            << copy->name()
            << ".\nThe full metadata after the copy is: " << *copy << "\n";
}

using Google.Cloud.Storage.V1;
using System;

public class CopyFileArchivedGenerationSample
{
    public Google.Apis.Storage.v1.Data.Object CopyFileArchivedGeneration(
        string sourceBucketName = "source-bucket-name",
        string sourceObjectName = "source-file",
        string destBucketName = "destination-bucket-name",
        string destObjectName = "destination-file-name",
        long? generation = 1579287380533984)
    {
        var storage =