aws s3对象存储

@Configuration
@IntegrationComponentScan
@Slf4j
public class AwsPublicConfig {


    @Value("${aws.s3.accessKey}")
    private String accessKey;
    @Value("${aws.s3.secretKey}")
    private String secretKey;
    @Value("${aws.s3.endPoint}")
    private String endpoint;
    @Value("${aws.s3.bucketName}")
    private String bucketName;
    @Value("${aws.s3.publicUrl}")
    private String publicUrl;

    @Bean
    public AwsS3Utils creatMinioClient() {
        return new AwsS3Utils(endpoint, bucketName, accessKey, secretKey,publicUrl);
    }
}


public class AwsS3Utils {

    private static AmazonS3 amazonS3;

    private static String endpoint;
    private static String bucketName;
    private static String accessKey;
    private static String secretKey;
    private static String publicUrl;

    private static final String SEPARATOR = "/";

    private AwsS3Utils() {
    }

    public AwsS3Utils(String endpoint, String bucketName, String accessKey, String secretKey, String publicUrl) {
        AwsS3Utils.endpoint = endpoint;
        AwsS3Utils.bucketName = bucketName;
        AwsS3Utils.accessKey = accessKey;
        AwsS3Utils.secretKey = secretKey;
        AwsS3Utils.publicUrl = publicUrl;
        createAwsS3Client();
    }

    /**
     * 创建连接
     */
    private void createAwsS3Client() {
        try {
            if (null == amazonS3) {
                log.info("amazonS3 create start");
                BasicAWSCredentials awsCreds = new BasicAWSCredentials(accessKey, secretKey);
                amazonS3 = AmazonS3ClientBuilder.standard()
                        .withCredentials(new AWSStaticCredentialsProvider(awsCreds))
                        .withRegion(endpoint)
                        .build();
                log.info("amazonS3 create end");
            }
        } catch (Exception e) {
            log.error("连接amazonS3服务器异常：{}", e);
        }

    }

    /**
     * 文件上传
     *
     * @param file
     * @return
     */
    public static String uploadFile(MultipartFile file) {
        StopWatch sw = new StopWatch();
        sw.start();
        String fileName = file.getOriginalFilename();
        //获取当前时间的年月日时
        String currentTime = DateUtil.today();
        String path = SEPARATOR + "vip" + SEPARATOR + currentTime + SEPARATOR + fileName;
        try {
            ObjectMetadata objectMetadata = new ObjectMetadata();
            objectMetadata.setContentLength(file.getSize());
            objectMetadata.setContentType(file.getContentType());
            objectMetadata.setContentEncoding(StandardCharsets.UTF_8.name());
//            amazonS3.putObject(bucketName, path, new ByteArrayInputStream(file.getBytes()), objectMetadata);
            amazonS3.putObject(bucketName, path, new ByteArrayInputStream(file.getBytes()),objectMetadata);
            sw.stop();
        } catch (Exception e) {
            log.info("AWS上传文件失败, 文件名:{}, 异常原因:{}", file.getOriginalFilename(), e);
            throw new BusinessException("文件名有误,originalFilename:" + file.getOriginalFilename());
        }
        log.info("AWS uploadFile返回值：path：{}", path);
        log.info(sw.prettyPrint());
        return publicUrl + path;
    }
  }