Gunakan ListObjectVersions dengan AWS SDK atau CLI

Contoh kode berikut menunjukkan cara menggunakanListObjectVersions.

Contoh tindakan adalah kutipan kode dari program yang lebih besar dan harus dijalankan dalam konteks. Anda dapat melihat tindakan ini dalam konteks dalam contoh kode berikut:

• Bekerja dengan objek berversi

.NET

AWS SDK for .NET

catatan

Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara pengaturan dan menjalankannya di Repositori Contoh Kode AWS.

    using System;
    using System.Threading.Tasks;
    using Amazon.S3;
    using Amazon.S3.Model;

    /// <summary>
    /// This example lists the versions of the objects in a version enabled
    /// Amazon Simple Storage Service (Amazon S3) bucket.
    /// </summary>
    public class ListObjectVersions
    {
        public static async Task Main()
        {
            string bucketName = "amzn-s3-demo-bucket";

            // If the AWS Region where your bucket is defined is different from
            // the AWS Region where the Amazon S3 bucket is defined, pass the constant
            // for the AWS Region to the client constructor like this:
            //      var client = new AmazonS3Client(RegionEndpoint.USWest2);
            IAmazonS3 client = new AmazonS3Client();
            await GetObjectListWithAllVersionsAsync(client, bucketName);
        }

        /// <summary>
        /// This method lists all versions of the objects within an Amazon S3
        /// version enabled bucket.
        /// </summary>
        /// <param name="client">The initialized client object used to call
        /// ListVersionsAsync.</param>
        /// <param name="bucketName">The name of the version enabled Amazon S3 bucket
        /// for which you want to list the versions of the contained objects.</param>
        public static async Task GetObjectListWithAllVersionsAsync(IAmazonS3 client, string bucketName)
        {
            try
            {
                // When you instantiate the ListVersionRequest, you can
                // optionally specify a key name prefix in the request
                // if you want a list of object versions of a specific object.

                // For this example we set a small limit in MaxKeys to return
                // a small list of versions.
                ListVersionsRequest request = new ListVersionsRequest()
                {
                    BucketName = bucketName,
                    MaxKeys = 2,
                };

                do
                {
                    ListVersionsResponse response = await client.ListVersionsAsync(request);

                    // Process response.
                    foreach (S3ObjectVersion entry in response.Versions)
                    {
                        Console.WriteLine($"key: {entry.Key} size: {entry.Size}");
                    }

                    // If response is truncated, set the marker to get the next
                    // set of keys.
                    if (response.IsTruncated)
                    {
                        request.KeyMarker = response.NextKeyMarker;
                        request.VersionIdMarker = response.NextVersionIdMarker;
                    }
                    else
                    {
                        request = null;
                    }
                }
                while (request != null);
            }
            catch (AmazonS3Exception ex)
            {
                Console.WriteLine($"Error: '{ex.Message}'");
            }
        }
    }

• Untuk API detailnya, lihat ListObjectVersionsdi AWS SDK for .NET APIReferensi.

CLI

AWS CLI

Perintah berikut mengambil informasi versi untuk objek dalam bucket bernamamy-bucket:

aws s3api list-object-versions --bucket my-bucket --prefix index.html

Output:

{
    "DeleteMarkers": [
        {
            "Owner": {
                "DisplayName": "my-username",
                "ID": "7009a8971cd660687538875e7c86c5b672fe116bd438f46db45460ddcd036c32"
            },
            "IsLatest": true,
            "VersionId": "B2VsEK5saUNNHKcOAJj7hIE86RozToyq",
            "Key": "index.html",
            "LastModified": "2015-11-10T00:57:03.000Z"
        },
        {
            "Owner": {
                "DisplayName": "my-username",
                "ID": "7009a8971cd660687538875e7c86c5b672fe116bd438f46db45460ddcd036c32"
            },
            "IsLatest": false,
            "VersionId": ".FLQEZscLIcfxSq.jsFJ.szUkmng2Yw6",
            "Key": "index.html",
            "LastModified": "2015-11-09T23:32:20.000Z"
        }
    ],
    "Versions": [
        {
            "LastModified": "2015-11-10T00:20:11.000Z",
            "VersionId": "Rb_l2T8UHDkFEwCgJjhlgPOZC0qJ.vpD",
            "ETag": "\"0622528de826c0df5db1258a23b80be5\"",
            "StorageClass": "STANDARD",
            "Key": "index.html",
            "Owner": {
                "DisplayName": "my-username",
                "ID": "7009a8971cd660687538875e7c86c5b672fe116bd438f46db45460ddcd036c32"
            },
            "IsLatest": false,
            "Size": 38
        },
        {
            "LastModified": "2015-11-09T23:26:41.000Z",
            "VersionId": "rasWWGpgk9E4s0LyTJgusGeRQKLVIAFf",
            "ETag": "\"06225825b8028de826c0df5db1a23be5\"",
            "StorageClass": "STANDARD",
            "Key": "index.html",
            "Owner": {
                "DisplayName": "my-username",
                "ID": "7009a8971cd660687538875e7c86c5b672fe116bd438f46db45460ddcd036c32"
            },
            "IsLatest": false,
            "Size": 38
        },
        {
            "LastModified": "2015-11-09T22:50:50.000Z",
            "VersionId": "null",
            "ETag": "\"d1f45267a863c8392e07d24dd592f1b9\"",
            "StorageClass": "STANDARD",
            "Key": "index.html",
            "Owner": {
                "DisplayName": "my-username",
                "ID": "7009a8971cd660687538875e7c86c5b672fe116bd438f46db45460ddcd036c32"
            },
            "IsLatest": false,
            "Size": 533823
        }
    ]
}

• Untuk API detailnya, lihat ListObjectVersionsdi Referensi AWS CLI Perintah.

Go

SDKuntuk Go V2

catatan

Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara pengaturan dan menjalankannya di Repositori Contoh Kode AWS.

// S3Actions wraps S3 service actions.
type S3Actions struct {
	S3Client  *s3.Client
	S3Manager *manager.Uploader
}



// ListObjectVersions lists all versions of all objects in a bucket.
func (actor S3Actions) ListObjectVersions(ctx context.Context, bucket string) ([]types.ObjectVersion, error) {
	var err error
	var output *s3.ListObjectVersionsOutput
	var versions []types.ObjectVersion
	input := &s3.ListObjectVersionsInput{Bucket: aws.String(bucket)}
	versionPaginator := s3.NewListObjectVersionsPaginator(actor.S3Client, input)
	for versionPaginator.HasMorePages() {
		output, err = versionPaginator.NextPage(ctx)
		if err != nil {
			var noBucket *types.NoSuchBucket
			if errors.As(err, &noBucket) {
				log.Printf("Bucket %s does not exist.\n", bucket)
				err = noBucket
			}
			break
		} else {
			versions = append(versions, output.Versions...)
		}
	}
	return versions, err
}

• Untuk API detailnya, lihat ListObjectVersionsdi AWS SDK for Go APIReferensi.

Rust

SDKuntuk Rust

catatan

Ada lebih banyak tentang GitHub. Temukan contoh lengkapnya dan pelajari cara pengaturan dan menjalankannya di Repositori Contoh Kode AWS.

async fn show_versions(client: &Client, bucket: &str) -> Result<(), Error> {
    let resp = client.list_object_versions().bucket(bucket).send().await?;

    for version in resp.versions() {
        println!("{}", version.key().unwrap_or_default());
        println!("  version ID: {}", version.version_id().unwrap_or_default());
        println!();
    }

    Ok(())
}

• Untuk API detailnya, lihat ListObjectVersions AWSSDKAPIreferensi Rust.