自定义 Minio 文件服务starter

目录结构

依赖

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-configuration-processor</artifactId>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-autoconfigure</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
    <!-- minio依赖       -->
    <dependency>
        <groupId>io.minio</groupId>
        <artifactId>minio</artifactId>
        <version>8.2.1</version>
    </dependency>
    <!-- hutool工具类       -->
    <dependency>
        <groupId>cn.hutool</groupId>
        <artifactId>hutool-all</artifactId>
        <version>5.1.2</version>
    </dependency>
    <!-- 压缩图片       -->
    <dependency>
        <groupId>net.coobird</groupId>
        <artifactId>thumbnailator</artifactId>
        <version>0.4.8</version>
    </dependency>
    <!--    工具类依赖    -->
    <dependency>
        <groupId>org.apache.commons</groupId>
        <artifactId>commons-lang3</artifactId>
        <version>3.12.0</version>
    </dependency>
    <dependency>
        <groupId>com.github.davidcarboni</groupId>
        <artifactId>encrypted-</artifactId>
        <version>1.0.0</version>
    </dependency>
</dependencies>

@Data
@Component
@ConfigurationProperties(prefix = "minio")
public class MinioProperties {

    /**
     * 连接地址
     */
    private String minioUrl;
    /**
     * 用户名
     */
    private String minioName;
    /**
     * 密码
     */
    private String minioPass;
    /**
     * 域名
     */
    private String nginxHost;
}

@Configuration
@EnableConfigurationProperties(MinioProperties.class)
@ConditionalOnClass(MinioClient.class)
public class MinioAutoConfiguration {

    @Autowired
    private MinioProperties minioProperties;

    @Bean
    public MinioUtil minioUtil() {
        return new MinioUtil(minioProperties);
    }
}

@Data
@NoArgsConstructor
@AllArgsConstructor
public class UploadResponse {
    /**
     * minio文件地址
     */
    private String minIoUrl;

    /**
     * 如果需要nignx
     */
    private String nginxUrl;
}

@Slf4j
public class MinioUtil {

    @Autowired
    private final MinioProperties minioProperties;

    @Autowired(required=false)
    private final MinioClient minioClient;

    private final Long maxSize = (long) (1024 * 1024);

    public MinioUtil(MinioProperties minioProperties) {
        this.minioProperties = minioProperties;
        this.minioClient = MinioClient.builder()
                .endpoint(minioProperties.getMinioUrl())
                .credentials(minioProperties.getMinioName(), minioProperties.getMinioPass())
                .build();
    }


    /**
     * 创建bucket
     */
    public void createBucket(String bucketName) throws Exception {
        if (!minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build())) {
            minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());
        }
    }

    /**
     * 上传文件
     */
    public UploadResponse uploadFile(MultipartFile file, String bucketName) throws Exception {
        //判断文件是否为空
        if (null == file || 0 == file.getSize()) {
            return null;
        }
        //判断存储桶是否存在  不存在则创建
        createBucket(bucketName);
        //文件名
        String originalFilename = file.getOriginalFilename();
        //新的文件名 = 时间戳_随机数.后缀名
        assert originalFilename != null;
        long now = System.currentTimeMillis() / 1000;
        String fileName = DateUtil.format(DateUtil.date(), "yyyyMMdd") + "_" + now + "_" + new Random().nextInt(1000) +
                originalFilename.substring(originalFilename.lastIndexOf("."));
        //开始上传
        log.info("file压缩前大小:{}", file.getSize());
        if (file.getSize() > maxSize) {
            FileItemFactory fileItemFactory = new DiskFileItemFactory();
            FileItem fileItem = fileItemFactory.createItem(fileName, "text/plain", true, fileName);
            OutputStream outputStream = fileItem.getOutputStream();
            Thumbnails.of(file.getInputStream()).scale(1f).outputFormat(originalFilename.substring(originalFilename.lastIndexOf(".") + 1)).outputQuality(0.25f).toOutputStream(outputStream);
            file = new CommonsMultipartFile((org.apache.commons.fileupload.FileItem) fileItem);
        }
        log.info("file压缩后大小:{}", file.getSize());
        minioClient.putObject(
                PutObjectArgs.builder().bucket(bucketName).object(fileName).stream(
                        file.getInputStream(), file.getSize(), -1)
                        .contentType(file.getContentType())
                        .build());
        String url = minioProperties.getMinioUrl() + "/" + bucketName + "/" + fileName;
        String urlHost = minioProperties.getNginxHost() + "/" + bucketName + "/" + fileName;
        return new UploadResponse(url, urlHost);
    }


    /**
     * 获取全部bucket
     *
     * @return
     */
    public List<Bucket> getAllBuckets() throws Exception {
        return minioClient.listBuckets();
    }

    /**
     * 根据bucketName获取信息
     *
     * @param bucketName bucket名称
     */
    public Optional<Bucket> getBucket(String bucketName) throws IOException, InvalidKeyException, NoSuchAlgorithmException, InsufficientDataException, InvalidResponseException, InternalException, ErrorResponseException, ServerException, XmlParserException, ServerException {
        return minioClient.listBuckets().stream().filter(b -> b.name().equals(bucketName)).findFirst();
    }

    /**
     * 根据bucketName删除信息
     *
     * @param bucketName bucket名称
     */
    public void removeBucket(String bucketName) throws Exception {
        minioClient.removeBucket(RemoveBucketArgs.builder().bucket(bucketName).build());
    }

    /**
     * 获取⽂件外链
     *
     * @param bucketName bucket名称
     * @param objectName ⽂件名称
     * @return url
     */
    public String getObjectURL(String bucketName, String objectName) throws Exception {
        return minioClient.getPresignedObjectUrl(GetPresignedObjectUrlArgs.builder().bucket(bucketName).object(objectName).method(Method.GET).build());
    }

    /**
     * 获取⽂件
     *
     * @param bucketName bucket名称
     * @param objectName ⽂件名称
     * @return ⼆进制流
     */
    public InputStream getObject(String bucketName, String objectName) throws Exception {
        return minioClient.getObject(GetObjectArgs.builder().bucket(bucketName).object(objectName).build());
    }

    /**
     * 上传⽂件
     *
     * @param bucketName bucket名称
     * @param objectName ⽂件名称
     * @param stream     ⽂件流
     * @throws Exception https://docs.minio.io/cn/java-minioClient-api-reference.html#putObject
     */
    public void putObject(String bucketName, String objectName, InputStream stream) throws
            Exception {
        minioClient.putObject(PutObjectArgs.builder().bucket(bucketName).object(objectName).stream(stream, stream.available(), -1).contentType(objectName.substring(objectName.lastIndexOf("."))).build());
    }

    /**
     * 上传⽂件
     *
     * @param bucketName  bucket名称
     * @param objectName  ⽂件名称
     * @param stream      ⽂件流
     * @param size        ⼤⼩
     * @param contextType 类型
     * @throws Exception https://docs.minio.io/cn/java-minioClient-api-reference.html#putObject
     */
    public void putObject(String bucketName, String objectName, InputStream stream, long
            size, String contextType) throws Exception {
        minioClient.putObject(PutObjectArgs.builder().bucket(bucketName).object(objectName).stream(stream, size, -1).contentType(contextType).build());
    }

    /**
     * 获取⽂件信息
     *
     * @param bucketName bucket名称
     * @param objectName ⽂件名称
     * @throws Exception https://docs.minio.io/cn/java-minioClient-api-reference.html#statObject
     */
    public StatObjectResponse getObjectInfo(String bucketName, String objectName) throws Exception {
        return minioClient.statObject(StatObjectArgs.builder().bucket(bucketName).object(objectName).build());
    }

    /**
     * 删除⽂件
     *
     * @param bucketName bucket名称
     * @param objectName ⽂件名称
     * @throws Exception https://docs.minio.io/cn/java-minioClient-apireference.html#removeObject
     */
    public void removeObject(String bucketName, String objectName) throws Exception {
        minioClient.removeObject(RemoveObjectArgs.builder().bucket(bucketName).object(objectName).build());
    }


    /***
     * 上传视频
     * @param file
     * @param bucketName
     * @return
     * @throws Exception
     */
    public UploadResponse uploadVideo(MultipartFile file, String bucketName) throws Exception {
        //判断文件是否为空
        if (null == file || 0 == file.getSize()) {
            return null;
        }
        //判断存储桶是否存在  不存在则创建
        createBucket(bucketName);
        //文件名
        String originalFilename = file.getOriginalFilename();
        //新的文件名 = 时间戳_随机数.后缀名
        assert originalFilename != null;
        long now = System.currentTimeMillis() / 1000;
        String fileName = DateUtil.format(DateUtil.date(), "yyyyMMdd") + "_" + now + "_" + new Random().nextInt(1000) +
                originalFilename.substring(originalFilename.lastIndexOf("."));
        //开始上传
        log.info("file大小:{}", file.getSize());
        minioClient.putObject(
                PutObjectArgs.builder().bucket(bucketName).object(fileName).stream(
                        file.getInputStream(), file.getSize(), -1)
                        .contentType("video/mp4")
                        .build());
        String url = minioProperties.getMinioUrl() + "/" + bucketName + "/" + fileName;
        String urlHost = minioProperties.getNginxHost() + "/" + bucketName + "/" + fileName;
        return new UploadResponse(url, urlHost);
    }
}

spring.factories

org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
com.dtm.emage.emageminiostarter.configuration.MinioAutoConfiguration

搞定