# 将 `DeleteBucketPolicy` 和 Amazon SDK 搭配使用
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以下代码示例演示了如何使用 `DeleteBucketPolicy`。

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#### [ 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。
删除目录存储桶的存储桶策略。  

```
import software.amazon.awssdk.regions.Region;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.DeleteBucketPolicyRequest;
import software.amazon.awssdk.services.s3.model.S3Exception;

import static com.example.s3.util.S3DirectoryBucketUtils.createDirectoryBucket;
import static com.example.s3.util.S3DirectoryBucketUtils.createS3Client;
import static com.example.s3.util.S3DirectoryBucketUtils.deleteDirectoryBucket;
import static com.example.s3.util.S3DirectoryBucketUtils.getAwsAccountId;
import static com.example.s3.util.S3DirectoryBucketUtils.putDirectoryBucketPolicy;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


    /**
     * Deletes the bucket policy for the specified S3 directory bucket.
     *
     * @param s3Client   The S3 client used to interact with S3
     * @param bucketName The name of the directory bucket
     */
    public static void deleteDirectoryBucketPolicy(S3Client s3Client, String bucketName) {
        logger.info("Deleting policy for bucket: {}", bucketName);

        try {
            // Create a DeleteBucketPolicyRequest
            DeleteBucketPolicyRequest deletePolicyReq = DeleteBucketPolicyRequest.builder()
                    .bucket(bucketName)
                    .build();

            // Delete the bucket policy
            s3Client.deleteBucketPolicy(deletePolicyReq);
            logger.info("Successfully deleted bucket policy");

        } catch (S3Exception e) {
            logger.error("Failed to delete bucket policy: {} - Error code: {}", e.awsErrorDetails().errorMessage(),
                    e.awsErrorDetails().errorCode(), e);
            throw e;
        }
    }
```
+  有关 API 详细信息，请参阅《Amazon SDK for Java 2.x API Reference》**中的 [DeleteBucketPolicy](https://docs.amazonaws.cn/goto/SdkForJavaV2/s3-2006-03-01/DeleteBucketPolicy)。

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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。