SpringBoot+MINIO

Linux安装MINIO

https://blog.csdn.net/tongxin_tongmeng/article/details/133934115

MINIO创建桶
MINIO创建秘钥

MINIO的API路径

http://your-server-ip:9000
注意：API路径在日志文件中/opt/minio/minio.log

pom.xml

<!-- https://mvnrepository.com/artifact/com.amazonaws/aws-java-sdk-s3 -->
<dependency>
	<groupId>com.amazonaws</groupId>
	<artifactId>aws-java-sdk-s3</artifactId>
	<version>1.12.566</version>
</dependency>

application.yml

aws:
  s3:
    accessKey: minio_access_key
    secretKey: minio_secret_key
    url: http://your-server-ip:9000
    bucket: minio-bucket

spring:
  servlet:
    multipart:
      max-file-size: 100MB
      max-request-size: 100MB

配置类

@Data
@Configuration
@ConfigurationProperties(prefix = "aws.s3")
public class AwzS3Config {
    private String accessKey;
    private String secretKey;
    private String url;
    private String bucket;
}

工具类

@Component
public class AwzS3Util {

    @Resource
    private AwzS3Config injectAwzS3Config;

    private static AwzS3Config awzS3Config;

    private static AmazonS3 amazonS3;


    @PostConstruct
    public void init() {
        awzS3Config = this.injectAwzS3Config;
        AWSCredentials credentials = new BasicAWSCredentials(awzS3Config.getAccessKey(), awzS3Config.getSecretKey());
        AWSCredentialsProvider credentialsProvider = new AWSStaticCredentialsProvider(credentials);
        AwsClientBuilder.EndpointConfiguration endpointConfig =
                new AwsClientBuilder.EndpointConfiguration(awzS3Config.getUrl(), Regions.CN_NORTH_1.getName());
        ClientConfiguration config = new ClientConfiguration();
        config.setSignerOverride("S3SignerType");
        config.setProtocol(Protocol.HTTP);
        config.withUseExpectContinue(false);
        config.disableSocketProxy();
        amazonS3 = AmazonS3Client.builder()
                .withEndpointConfiguration(endpointConfig)
                .withClientConfiguration(config)
                .withCredentials(credentialsProvider)
                .disableChunkedEncoding()
                .withPathStyleAccessEnabled(true)
                .withForceGlobalBucketAccessEnabled(true)
                .build();
    }


    public static boolean createBucket(String bucket) {
        if (StringUtils.isNullOrEmpty(bucket)) {
            throw new IllegalArgumentException("桶名称不能为空!");
        }
        try {
            amazonS3.createBucket(bucket);
        } catch (SdkClientException e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    public static boolean deleteBucket(String bucket) {
        if (StringUtils.isNullOrEmpty(bucket)) {
            throw new IllegalArgumentException("桶名称不能为空!");
        }
        try {
            amazonS3.deleteBucket(bucket);
        } catch (SdkClientException e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    public static boolean upload(MultipartFile file, String bucket) {
        if (Objects.isNull(file)) {
            throw new IllegalArgumentException("文件不能为空!");
        }
        String fileName = file.getOriginalFilename();
        ObjectMetadata objectMetadata = new ObjectMetadata();
        objectMetadata.setContentType(file.getContentType());
        objectMetadata.setContentLength(file.getSize());
        bucket = StringUtils.isNullOrEmpty(bucket) ? awzS3Config.getBucket() : bucket;
        try {
            PutObjectRequest request = new PutObjectRequest(bucket, fileName, file.getInputStream(), objectMetadata)
                    // 设置文件访问权限
                    .withCannedAcl(CannedAccessControlList.BucketOwnerFullControl);
            PutObjectResult result = amazonS3.putObject(request);
        } catch (IOException e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    public static ResponseEntity<byte[]>    downloadByName(String bucket, String fileName) throws IOException {
        if (StringUtils.isNullOrEmpty(bucket)) {
            throw new IllegalArgumentException("文件名称不能为空!");
        }
        bucket = StringUtils.isNullOrEmpty(bucket) ? awzS3Config.getBucket() : bucket;
        GetObjectRequest getObjectRequest = new GetObjectRequest(bucket, fileName);
        S3Object s3Object = amazonS3.getObject(getObjectRequest);
        S3ObjectInputStream objectInputStream = s3Object.getObjectContent();
        byte[] bytes = IOUtils.toByteArray(objectInputStream);
        // 替换中文
        String showFileName = URLEncoder.encode(fileName, "UTF-8").replaceAll("\\+", "%20");
        HttpHeaders httpHeaders = new HttpHeaders();
        httpHeaders.setContentType(MediaType.APPLICATION_OCTET_STREAM);
        httpHeaders.setContentLength(bytes.length);
        httpHeaders.setContentDispositionFormData("attachment", showFileName);
        return new ResponseEntity<>(bytes, httpHeaders, HttpStatus.OK);
    }

    public static boolean deleteFile(String bucket, String fileName) {
        if (StringUtils.isNullOrEmpty(fileName)) {
            throw new IllegalArgumentException("文件名称不能为空!");
        }
        bucket = StringUtils.isNullOrEmpty(bucket) ? awzS3Config.getBucket() : bucket;
        try {
            amazonS3.deleteObject(bucket, fileName);
        } catch (SdkClientException e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    public static ObjectMetadata getFileInfo(String bucket, String fileName) {
        if (StringUtils.isNullOrEmpty(fileName)) {
            throw new IllegalArgumentException("文件名称不能为空!");
        }
        bucket = StringUtils.isNullOrEmpty(bucket) ? awzS3Config.getBucket() : bucket;
        ObjectMetadata objectMetadata = null;
        try {
            objectMetadata = amazonS3.getObjectMetadata(bucket, fileName);
        } catch (SdkClientException e) {
            e.printStackTrace();
        }
        return objectMetadata;
    }
}