使用JAVA在S3存储桶上放/读文件

import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.PutObjectRequest;
import software.amazon.awssdk.services.s3.model.PutObjectResponse;

public class S3Example {
    public static void main(String[] args) {
        // 配置AWS SDK
        // ...

        // 创建S3客户端
        S3Client s3Client = S3Client.builder()
                .region(Region.US_EAST_1)
                .build();

        // 上传文件
        PutObjectRequest request = PutObjectRequest.builder()
                .bucket("bucket-name")
                .key("file-key")
                .build();
        PutObjectResponse response = s3Client.putObject(request);

        System.out.println("File uploaded successfully. ETag: " + response.eTag());
    }
}

import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.GetObjectRequest;
import software.amazon.awssdk.services.s3.model.GetObjectResponse;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class S3Example {
    public static void main(String[] args) {
        // 配置AWS SDK
        // ...

        // 创建S3客户端
        S3Client s3Client = S3Client.builder()
                .region(Region.US_EAST_1)
                .build();

        // 下载文件
        GetObjectRequest request = GetObjectRequest.builder()
                .bucket("bucket-name")
                .key("file-key")
                .build();
        GetObjectResponse response = s3Client.getObject(request);

        try (OutputStream outputStream = new FileOutputStream("local-file-path")) {
            byte[] buffer = new byte[1024];
            int bytesRead;
            while ((bytesRead = response.read(buffer)) != -1) {
                outputStream.write(buffer, 0, bytesRead);
            }
            System.out.println("File downloaded successfully.");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}