# 将 `ListMultipartUploads` 和 Amazon SDK 搭配使用
<a name="s3-directory-buckets_example_s3-directory-buckets_ListMultipartUploads_section"></a>

以下代码示例演示了如何使用 `ListMultipartUploads`。

------
#### [ Java ]

**适用于 Java 的 SDK 2.x**  
 查看 GitHub，了解更多信息。在 [Amazon 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/s3/src/main/java/com/example/s3/directorybucket#code-examples)中查找完整示例，了解如何进行设置和运行。
列出目录存储桶中的分段上传。  

```
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.ListMultipartUploadsRequest;
import software.amazon.awssdk.services.s3.model.ListMultipartUploadsResponse;
import software.amazon.awssdk.services.s3.model.MultipartUpload;
import software.amazon.awssdk.services.s3.model.S3Exception;

import java.io.IOException;
import java.nio.file.Path;
import java.util.List;

import static com.example.s3.util.S3DirectoryBucketUtils.abortDirectoryBucketMultipartUploads;
import static com.example.s3.util.S3DirectoryBucketUtils.createDirectoryBucket;
import static com.example.s3.util.S3DirectoryBucketUtils.createDirectoryBucketMultipartUpload;
import static com.example.s3.util.S3DirectoryBucketUtils.createS3Client;
import static com.example.s3.util.S3DirectoryBucketUtils.deleteDirectoryBucket;
import static com.example.s3.util.S3DirectoryBucketUtils.getFilePath;
import static com.example.s3.util.S3DirectoryBucketUtils.multipartUploadForDirectoryBucket;


    /**
     * Lists multipart uploads for the specified S3 directory bucket.
     *
     * @param s3Client   The S3 client used to interact with S3
     * @param bucketName The name of the directory bucket
     * @return A list of MultipartUpload objects representing the multipart uploads
     */
    public static List<MultipartUpload> listDirectoryBucketMultipartUploads(S3Client s3Client, String bucketName) {
        logger.info("Listing in-progress multipart uploads for bucket: {}", bucketName);

        try {
            // Create a ListMultipartUploadsRequest
            ListMultipartUploadsRequest listMultipartUploadsRequest = ListMultipartUploadsRequest.builder()
                    .bucket(bucketName)
                    .build();

            // List the multipart uploads
            ListMultipartUploadsResponse response = s3Client.listMultipartUploads(listMultipartUploadsRequest);
            List<MultipartUpload> uploads = response.uploads();
            for (MultipartUpload upload : uploads) {
                logger.info("In-progress multipart upload: Upload ID: {}, Key: {}, Initiated: {}", upload.uploadId(),
                        upload.key(), upload.initiated());
            }
            return uploads;

        } catch (S3Exception e) {
            logger.error("Failed to list multipart uploads: {} - Error code: {}", e.awsErrorDetails().errorMessage(),
                    e.awsErrorDetails().errorCode());
            return List.of(); // Return an empty list if an exception is thrown
        }
    }
```
+  有关 API 详细信息，请参阅《Amazon SDK for Java 2.x API Reference》**中的 [ListMultipartUploads](https://docs.amazonaws.cn/goto/SdkForJavaV2/s3-2006-03-01/ListMultipartUploads)。

------

有关 Amazon SDK 开发人员指南和代码示例的完整列表，请参阅 [使用 Amazon SDK 通过 Amazon S3 进行开发](sdk-general-information-section.md)。本主题还包括有关入门的信息以及有关先前的 SDK 版本的详细信息。