Gunakan `DeleteObject` dengan AWS SDK atau CLI

Contoh kode berikut menunjukkan cara menggunakanDeleteObject.

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:

.NET

AWS SDK for .NET

catatan

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

Hapus objek dalam bucket S3 yang tidak berversi.


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

    /// <summary>
    /// This example shows how to delete an object from a non-versioned Amazon
    /// Simple Storage Service (Amazon S3) bucket.
    /// </summary>
    public class DeleteObject
    {
        /// <summary>
        /// The Main method initializes the necessary variables and then calls
        /// the DeleteObjectNonVersionedBucketAsync method to delete the object
        /// named by the keyName parameter.
        /// </summary>
        public static async Task Main()
        {
            const string bucketName = "doc-example-bucket";
            const string keyName = "testfile.txt";

            // If the Amazon S3 bucket is located in an AWS Region other than the
            // Region of the default account, define the AWS Region for the
            // Amazon S3 bucket in your call to the AmazonS3Client constructor.
            // For example RegionEndpoint.USWest2.
            IAmazonS3 client = new AmazonS3Client();
            await DeleteObjectNonVersionedBucketAsync(client, bucketName, keyName);
        }

        /// <summary>
        /// The DeleteObjectNonVersionedBucketAsync takes care of deleting the
        /// desired object from the named bucket.
        /// </summary>
        /// <param name="client">An initialized Amazon S3 client used to delete
        /// an object from an Amazon S3 bucket.</param>
        /// <param name="bucketName">The name of the bucket from which the
        /// object will be deleted.</param>
        /// <param name="keyName">The name of the object to delete.</param>
        public static async Task DeleteObjectNonVersionedBucketAsync(IAmazonS3 client, string bucketName, string keyName)
        {
            try
            {
                var deleteObjectRequest = new DeleteObjectRequest
                {
                    BucketName = bucketName,
                    Key = keyName,
                };

                Console.WriteLine($"Deleting object: {keyName}");
                await client.DeleteObjectAsync(deleteObjectRequest);
                Console.WriteLine($"Object: {keyName} deleted from {bucketName}.");
            }
            catch (AmazonS3Exception ex)
            {
                Console.WriteLine($"Error encountered on server. Message:'{ex.Message}' when deleting an object.");
            }
        }
    }

Hapus objek dalam bucket S3 berversi.


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

    /// <summary>
    /// This example creates an object in an Amazon Simple Storage Service
    /// (Amazon S3) bucket and then deletes the object version that was
    /// created.
    /// </summary>
    public class DeleteObjectVersion
    {
        public static async Task Main()
        {
            string bucketName = "doc-example-bucket";
            string keyName = "verstioned-object.txt";

            // If the AWS Region of the default user is different from the AWS
            // Region of the Amazon S3 bucket, pass the AWS Region of the
            // bucket region to the Amazon S3 client object's constructor.
            // Define it like this:
            //      RegionEndpoint bucketRegion = RegionEndpoint.USWest2;
            IAmazonS3 client = new AmazonS3Client();

            await CreateAndDeleteObjectVersionAsync(client, bucketName, keyName);
        }

        /// <summary>
        /// This method creates and then deletes a versioned object.
        /// </summary>
        /// <param name="client">The initialized Amazon S3 client object used to
        /// create and delete the object.</param>
        /// <param name="bucketName">The name of the Amazon S3 bucket where the
        /// object will be created and deleted.</param>
        /// <param name="keyName">The key name of the object to create.</param>
        public static async Task CreateAndDeleteObjectVersionAsync(IAmazonS3 client, string bucketName, string keyName)
        {
            try
            {
                // Add a sample object.
                string versionID = await PutAnObject(client, bucketName, keyName);

                // Delete the object by specifying an object key and a version ID.
                DeleteObjectRequest request = new DeleteObjectRequest()
                {
                    BucketName = bucketName,
                    Key = keyName,
                    VersionId = versionID,
                };

                Console.WriteLine("Deleting an object");
                await client.DeleteObjectAsync(request);
            }
            catch (AmazonS3Exception ex)
            {
                Console.WriteLine($"Error: {ex.Message}");
            }
        }

        /// <summary>
        /// This method is used to create the temporary Amazon S3 object.
        /// </summary>
        /// <param name="client">The initialized Amazon S3 object which will be used
        /// to create the temporary Amazon S3 object.</param>
        /// <param name="bucketName">The name of the Amazon S3 bucket where the object
        /// will be created.</param>
        /// <param name="objectKey">The name of the Amazon S3 object co create.</param>
        /// <returns>The Version ID of the created object.</returns>
        public static async Task<string> PutAnObject(IAmazonS3 client, string bucketName, string objectKey)
        {
            PutObjectRequest request = new PutObjectRequest()
            {
                BucketName = bucketName,
                Key = objectKey,
                ContentBody = "This is the content body!",
            };

            PutObjectResponse response = await client.PutObjectAsync(request);
            return response.VersionId;
        }
    }

Untuk API detailnya, lihat DeleteObjectdi AWS SDK for .NET APIReferensi.

Bash

AWS CLI dengan skrip Bash

catatan

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


###############################################################################
# function errecho
#
# This function outputs everything sent to it to STDERR (standard error output).
###############################################################################
function errecho() {
  printf "%s\n" "$*" 1>&2
}

###############################################################################
# function delete_item_in_bucket
#
# This function deletes the specified file from the specified bucket.
#
# Parameters:
#       $1 - The name of the bucket.
#       $2 - The key (file name) in the bucket to delete.

# Returns:
#       0 - If successful.
#       1 - If it fails.
###############################################################################
function delete_item_in_bucket() {
  local bucket_name=$1
  local key=$2
  local response

  response=$(aws s3api delete-object \
    --bucket "$bucket_name" \
    --key "$key")

  # shellcheck disable=SC2181
  if [[ $? -ne 0 ]]; then
    errecho "ERROR:  AWS reports s3api delete-object operation failed.\n$response"
    return 1
  fi
}

Untuk API detailnya, lihat DeleteObjectdi Referensi AWS CLI Perintah.

C++

SDKuntuk C ++

catatan

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


bool AwsDoc::S3::deleteObject(const Aws::String &objectKey,
                              const Aws::String &fromBucket,
                              const Aws::S3::S3ClientConfiguration &clientConfig) {
    Aws::S3::S3Client client(clientConfig);
    Aws::S3::Model::DeleteObjectRequest request;

    request.WithKey(objectKey)
            .WithBucket(fromBucket);

    Aws::S3::Model::DeleteObjectOutcome outcome =
            client.DeleteObject(request);

    if (!outcome.IsSuccess()) {
        auto err = outcome.GetError();
        std::cerr << "Error: deleteObject: " <<
                  err.GetExceptionName() << ": " << err.GetMessage() << std::endl;
    } else {
        std::cout << "Successfully deleted the object." << std::endl;
    }

    return outcome.IsSuccess();
}

Untuk API detailnya, lihat DeleteObjectdi AWS SDK for C++ APIReferensi.

CLI

AWS CLI

Perintah berikut menghapus objek bernama test.txt dari bucket bernamamy-bucket:


aws s3api delete-object --bucket my-bucket --key test.txt

Jika pembuatan versi bucket diaktifkan, output akan berisi ID versi penanda hapus:


{
  "VersionId": "9_gKg5vG56F.TTEUdwkxGpJ3tNDlWlGq",
  "DeleteMarker": true
}

Untuk informasi selengkapnya tentang menghapus objek, lihat Menghapus Objek di Panduan Pengembang Amazon S3.

Untuk API detailnya, lihat DeleteObjectdi Referensi AWS CLI Perintah.

Go

SDKuntuk Go V2

catatan

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



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



// DeleteObject deletes an object from a bucket.
func (actor S3Actions) DeleteObject(ctx context.Context, bucket string, key string, versionId string, bypassGovernance bool) (bool, error) {
	deleted := false
	input := &s3.DeleteObjectInput{
		Bucket: aws.String(bucket),
		Key:    aws.String(key),
	}
	if versionId != "" {
		input.VersionId = aws.String(versionId)
	}
	if bypassGovernance {
		input.BypassGovernanceRetention = aws.Bool(true)
	}
	_, err := actor.S3Client.DeleteObject(ctx, input)
	if err != nil {
		var noKey *types.NoSuchKey
		var apiErr *smithy.GenericAPIError
		if errors.As(err, &noKey) {
			log.Printf("Object %s does not exist in %s.\n", key, bucket)
			err = noKey
		} else if errors.As(err, &apiErr) {
			switch apiErr.ErrorCode() {
			case "AccessDenied":
				log.Printf("Access denied: cannot delete object %s from %s.\n", key, bucket)
				err = nil
			case "InvalidArgument":
				if bypassGovernance {
					log.Printf("You cannot specify bypass governance on a bucket without lock enabled.")
					err = nil
				}
			}
		}
	} else {
		deleted = true
	}
	return deleted, err
}

Untuk API detailnya, lihat DeleteObjectdi AWS SDK for Go APIReferensi.

JavaScript

SDKuntuk JavaScript (v3)

catatan

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

Hapus objek.


import { DeleteObjectCommand, S3Client } from "@aws-sdk/client-s3";

const client = new S3Client({});

export const main = async () => {
  const command = new DeleteObjectCommand({
    Bucket: "test-bucket",
    Key: "test-key.txt",
  });

  try {
    const response = await client.send(command);
    console.log(response);
  } catch (err) {
    console.error(err);
  }
};

Untuk API detailnya, lihat DeleteObjectdi AWS SDK for JavaScript APIReferensi.

Python

SDKuntuk Python (Boto3)

catatan

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

Hapus objek.


class ObjectWrapper:
    """Encapsulates S3 object actions."""

    def __init__(self, s3_object):
        """
        :param s3_object: A Boto3 Object resource. This is a high-level resource in Boto3
                          that wraps object actions in a class-like structure.
        """
        self.object = s3_object
        self.key = self.object.key


    def delete(self):
        """
        Deletes the object.
        """
        try:
            self.object.delete()
            self.object.wait_until_not_exists()
            logger.info(
                "Deleted object '%s' from bucket '%s'.",
                self.object.key,
                self.object.bucket_name,
            )
        except ClientError:
            logger.exception(
                "Couldn't delete object '%s' from bucket '%s'.",
                self.object.key,
                self.object.bucket_name,
            )
            raise

Kembalikan objek ke versi sebelumnya dengan menghapus versi yang lebih baru dari objek tersebut.


def rollback_object(bucket, object_key, version_id):
    """
    Rolls back an object to an earlier version by deleting all versions that
    occurred after the specified rollback version.

    Usage is shown in the usage_demo_single_object function at the end of this module.

    :param bucket: The bucket that holds the object to roll back.
    :param object_key: The object to roll back.
    :param version_id: The version ID to roll back to.
    """
    # Versions must be sorted by last_modified date because delete markers are
    # at the end of the list even when they are interspersed in time.
    versions = sorted(
        bucket.object_versions.filter(Prefix=object_key),
        key=attrgetter("last_modified"),
        reverse=True,
    )

    logger.debug(
        "Got versions:\n%s",
        "\n".join(
            [
                f"\t{version.version_id}, last modified {version.last_modified}"
                for version in versions
            ]
        ),
    )

    if version_id in [ver.version_id for ver in versions]:
        print(f"Rolling back to version {version_id}")
        for version in versions:
            if version.version_id != version_id:
                version.delete()
                print(f"Deleted version {version.version_id}")
            else:
                break

        print(f"Active version is now {bucket.Object(object_key).version_id}")
    else:
        raise KeyError(
            f"{version_id} was not found in the list of versions for " f"{object_key}."
        )

Aktifkan kembali objek yang dihapus dengan menghapus penanda hapus aktif objek.


def revive_object(bucket, object_key):
    """
    Revives a versioned object that was deleted by removing the object's active
    delete marker.
    A versioned object presents as deleted when its latest version is a delete marker.
    By removing the delete marker, we make the previous version the latest version
    and the object then presents as *not* deleted.

    Usage is shown in the usage_demo_single_object function at the end of this module.

    :param bucket: The bucket that contains the object.
    :param object_key: The object to revive.
    """
    # Get the latest version for the object.
    response = s3.meta.client.list_object_versions(
        Bucket=bucket.name, Prefix=object_key, MaxKeys=1
    )

    if "DeleteMarkers" in response:
        latest_version = response["DeleteMarkers"][0]
        if latest_version["IsLatest"]:
            logger.info(
                "Object %s was indeed deleted on %s. Let's revive it.",
                object_key,
                latest_version["LastModified"],
            )
            obj = bucket.Object(object_key)
            obj.Version(latest_version["VersionId"]).delete()
            logger.info(
                "Revived %s, active version is now %s  with body '%s'",
                object_key,
                obj.version_id,
                obj.get()["Body"].read(),
            )
        else:
            logger.warning(
                "Delete marker is not the latest version for %s!", object_key
            )
    elif "Versions" in response:
        logger.warning("Got an active version for %s, nothing to do.", object_key)
    else:
        logger.error("Couldn't get any version info for %s.", object_key)

Buat penangan Lambda yang menghapus penanda hapus dari objek S3. Penangan ini dapat digunakan untuk membersihkan penanda hapus asing secara efisien dalam bucket berversi.


import logging
from urllib import parse
import boto3
from botocore.exceptions import ClientError

logger = logging.getLogger(__name__)
logger.setLevel("INFO")

s3 = boto3.client("s3")


def lambda_handler(event, context):
    """
    Removes a delete marker from the specified versioned object.

    :param event: The S3 batch event that contains the ID of the delete marker
                  to remove.
    :param context: Context about the event.
    :return: A result structure that Amazon S3 uses to interpret the result of the
             operation. When the result code is TemporaryFailure, S3 retries the
             operation.
    """
    # Parse job parameters from Amazon S3 batch operations
    invocation_id = event["invocationId"]
    invocation_schema_version = event["invocationSchemaVersion"]

    results = []
    result_code = None
    result_string = None

    task = event["tasks"][0]
    task_id = task["taskId"]

    try:
        obj_key = parse.unquote(task["s3Key"], encoding="utf-8")
        obj_version_id = task["s3VersionId"]
        bucket_name = task["s3BucketArn"].split(":")[-1]

        logger.info(
            "Got task: remove delete marker %s from object %s.", obj_version_id, obj_key
        )

        try:
            # If this call does not raise an error, the object version is not a delete
            # marker and should not be deleted.
            response = s3.head_object(
                Bucket=bucket_name, Key=obj_key, VersionId=obj_version_id
            )
            result_code = "PermanentFailure"
            result_string = (
                f"Object {obj_key}, ID {obj_version_id} is not " f"a delete marker."
            )

            logger.debug(response)
            logger.warning(result_string)
        except ClientError as error:
            delete_marker = error.response["ResponseMetadata"]["HTTPHeaders"].get(
                "x-amz-delete-marker", "false"
            )
            if delete_marker == "true":
                logger.info(
                    "Object %s, version %s is a delete marker.", obj_key, obj_version_id
                )
                try:
                    s3.delete_object(
                        Bucket=bucket_name, Key=obj_key, VersionId=obj_version_id
                    )
                    result_code = "Succeeded"
                    result_string = (
                        f"Successfully removed delete marker "
                        f"{obj_version_id} from object {obj_key}."
                    )
                    logger.info(result_string)
                except ClientError as error:
                    # Mark request timeout as a temporary failure so it will be retried.
                    if error.response["Error"]["Code"] == "RequestTimeout":
                        result_code = "TemporaryFailure"
                        result_string = (
                            f"Attempt to remove delete marker from  "
                            f"object {obj_key} timed out."
                        )
                        logger.info(result_string)
                    else:
                        raise
            else:
                raise ValueError(
                    f"The x-amz-delete-marker header is either not "
                    f"present or is not 'true'."
                )
    except Exception as error:
        # Mark all other exceptions as permanent failures.
        result_code = "PermanentFailure"
        result_string = str(error)
        logger.exception(error)
    finally:
        results.append(
            {
                "taskId": task_id,
                "resultCode": result_code,
                "resultString": result_string,
            }
        )
    return {
        "invocationSchemaVersion": invocation_schema_version,
        "treatMissingKeysAs": "PermanentFailure",
        "invocationId": invocation_id,
        "results": results,
    }

Untuk API detailnya, lihat DeleteObject AWSSDKReferensi Python (Boto3). API

Rust

SDKuntuk Rust

catatan

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


async fn remove_object(client: &Client, bucket: &str, key: &str) -> Result<(), Error> {
    client
        .delete_object()
        .bucket(bucket)
        .key(key)
        .send()
        .await?;

    println!("Object deleted.");

    Ok(())
}

Untuk API detailnya, lihat DeleteObject AWSSDKuntuk API referensi Rust.

SAP ABAP

SDKuntuk SAP ABAP

catatan

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


    TRY.
        lo_s3->deleteobject(
            iv_bucket = iv_bucket_name
            iv_key = iv_object_key
        ).
        MESSAGE 'Object deleted from S3 bucket.' TYPE 'I'.
      CATCH /aws1/cx_s3_nosuchbucket.
        MESSAGE 'Bucket does not exist.' TYPE 'E'.
    ENDTRY.

Untuk API detailnya, lihat DeleteObject AWSSDKuntuk SAP ABAP API referensi.

Swift

SDKuntuk Swift

catatan

Ini adalah dokumentasi prarilis untuk rilis SDK dalam pratinjau. Dokumentasi ini dapat berubah.

catatan

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


    public func deleteFile(bucket: String, key: String) async throws {
        let input = DeleteObjectInput(
            bucket: bucket,
            key: key
        )

        do {
            _ = try await client.deleteObject(input: input)
        } catch {
            throw error
        }
    }

Untuk API detailnya, lihat DeleteObject AWSSDKAPIreferensi Swift.

Untuk daftar lengkap panduan AWS SDK pengembang dan contoh kode, lihatMenggunakan layanan ini dengan AWS SDK. Topik ini juga mencakup informasi tentang memulai dan detail tentang SDK versi sebelumnya.

Awas Javascript dinonaktifkan atau tidak tersedia di browser Anda.

Untuk menggunakan Dokumentasi AWS, Javascript harus diaktifkan. Lihat halaman Bantuan browser Anda untuk petunjuk.

Konvensi Dokumen

DeleteBucketWebsite

DeleteObjectTagging

Gunakan DeleteObject dengan AWS SDK atau CLI

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Gunakan `DeleteObject` dengan AWS SDK atau CLI