MinIO对象存储 安装和java调用

1、参考

MinIO对象存储介绍和使用

【备忘录】JAVASDK连接MinIO，附完整代码

2、

package org.j****g.common.util.io;

import cn.hutool.core.io.FileUtil;
import io.minio.*;
import io.minio.errors.MinioException;
import io.minio.http.Method;
import io.minio.messages.Bucket;
import io.minio.messages.DeleteError;
import io.minio.messages.DeleteObject;
import io.minio.messages.Item;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.j****g.common.util.CN;
import org.j****g.common.util.DateUtils;
import org.j****g.common.util.network.RedisUtil;
import org.j****g.common.util.spring.SpringContextUtils;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;

@Slf4j
public class MinIoUtil {
    public static void main(String[] args) throws Exception {
        File file = new File("C:\\Users\\e******0\\Desktop\\桌面文件\\测试图 横版01.png");
        String objectName = "img/" + file.getName();

        // MinIoUtil.putObjectByStream(bucketName, objectName, new FileInputStream(file));
        //
        // MinIoUtil.removeObject(objectName);
        //
        // GetObjectResponse response = MinIoUtil.getObject(objectName);
        // File file_dest = new File("C:\\Users\\e******0\\Desktop\\桌面文件\\测试图 横版02.png");
        // FileUtil.writeFromStream(response, file_dest);

        String availableFileUrl = MinIoUtil.getAvailableFileUrl(objectName);
        System.out.println("======availableFileUrl\n" + availableFileUrl);
    }

    private static MinioClient minioClient;
    private static String bucketName;

    static {
        try {
            MinIoConfig minIoConfig = new MinIoConfig("http://127.0.0.1:9000", "minioadmin", "minioadmin", "j****g");
            init(minIoConfig);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void init(MinIoConfig minIoConfig) throws Exception {
        bucketName = minIoConfig.getBucketName();
        minioClient = MinioClient.builder()
                .endpoint(minIoConfig.getEndpoint())
                .credentials(minIoConfig.getAccessKey(), minIoConfig.getSecretKey())
                .build();
        // 初始化Bucket
        initBucket();
        log.info("成功连接上minio.URL:{} ,bucket {}", minIoConfig.getEndpoint(), bucketName);
    }

    private static void initBucket() throws Exception {
        // 应用启动时检测Bucket是否存在
        boolean found = doesBucketExist(bucketName);
        // 如果Bucket不存在，则创建Bucket
        if (!found) {
            minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());
            log.info("成功创建 Bucket [{}]", bucketName);
        }
    }

    /* ------------------------------------> 快速启动  <------------------------------------------------ */

    /**
     * 上传文件
     *
     * @param is          输入流
     * @param object      对象（文件）名
     * @param contentType 文件类型
     */
    public static void putObject(InputStream is, String object, String contentType) throws Exception {
        long start = System.currentTimeMillis();
        minioClient.putObject(PutObjectArgs.builder()
                .bucket(bucketName)
                .object(object)
                .contentType(contentType)
                .stream(is, -1, 1024 * 1024 * 10) // 不得小于 5 Mib
                .build());
        log.info("成功上传文件至云端 [{}]，耗时 [{} ms]", object, System.currentTimeMillis() - start);
    }

    /**
     * 获取文件流
     *
     * @param object 对象（文件）名
     * @return 文件流
     */
    public static GetObjectResponse getObject(String object) throws Exception {
        long start = System.currentTimeMillis();
        GetObjectResponse response = minioClient.getObject(GetObjectArgs.builder()
                .bucket(bucketName)
                .object(object)
                .build());
        log.info("成功获取 Object [{}]，耗时 [{} ms]", object, System.currentTimeMillis() - start);
        return response;
    }

    /**
     * 删除对象（文件）
     *
     * @param object 对象（文件名）
     */
    public static void removeObject(String object) throws Exception {
        minioClient.removeObject(RemoveObjectArgs.builder()
                .bucket(bucketName)
                .object(object)
                .build());
        log.info("成功删除 Object [{}]", object);
    }
    /* ------------------------------------> 快速启动 end  <------------------------------------------------ */


    /* ------------------------------------> 桶相关的操作  <------------------------------------------------ */

    /**
     * 创建桶
     *
     * @param bucketName bucket名称
     * @throws MinioException minio异常
     */
    public static void createBucket(String bucketName) throws MinioException {
        try {
            if (!minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build())) {
                minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());
            }
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("create Bucket error!");
        }
    }

    /**
     * 判断桶是否存在
     *
     * @param bucketName 存储桶
     * @return true：存在
     */
    public static boolean doesBucketExist(String bucketName) throws MinioException {
        try {
            return minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("does Bucket Exist error!");
        }
    }

    /**
     * 获取桶策略
     *
     * @param bucketName bucket名称
     * @return {@link String}
     * @throws MinioException s3minio异常
     */
    public static String getBucketPolicy(String bucketName) throws MinioException {
        try {
            return minioClient.getBucketPolicy(GetBucketPolicyArgs.builder().bucket(bucketName).build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("get Bucket Policy error!!");
        }
    }

    /**
     * 获取所有桶
     *
     * @return {@link List}<{@link Bucket}>
     * @throws MinioException s3minio异常
     */
    public static List<Bucket> getAllBuckets() throws MinioException {
        try {
            return minioClient.listBuckets();
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("get All Buckets error");
        }
    }

    /**
     * 获取桶信息
     *
     * @param bucketName bucket名称
     * @return {@link Optional}<{@link Bucket}>
     * @throws MinioException s3minio异常
     */
    public static Optional<Bucket> getBucketInfo(String bucketName) throws MinioException {
        try {
            return getAllBuckets().stream().filter(b -> b.name().equals(bucketName)).findFirst();
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("get Buckets Info error");
        }
    }

    /**
     * 删除桶
     *
     * @param bucketName bucket名称
     * @throws MinioException s3minio异常
     */
    public static void removeBucket(String bucketName) throws MinioException {
        try {
            minioClient.removeBucket(RemoveBucketArgs.builder().bucket(bucketName).build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("remove Bucket error!!");
        }
    }


    /* ------------------------------------> 桶相关的操作 end <------------------------------------------------ */


    /* ------------------------------------> 文件管理相关 start  <------------------------------------------------ */


    /**
     * 判断文件夹是否存在
     *
     * @param bucketName 存储桶
     * @param folderName 文件夹名称（去掉/）
     * @return true：存在
     */
    public static boolean folderExist(String bucketName, String folderName) throws MinioException {
        boolean exist = false;
        try {
            Iterable<Result<Item>> results = minioClient.listObjects(
                    ListObjectsArgs.builder().bucket(bucketName).prefix(folderName).recursive(false).build());
            for (Result<Item> result : results) {
                Item item = result.get();
                if (item.isDir() && folderName.equals(item.objectName())) {
                    exist = true;
                }
            }
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("folderExist error!");
        }
        return exist;
    }

    /**
     * 判断对象是否存在
     *
     * @param bucketName bucket名称
     * @param objectName 对象名称
     * @return boolean
     */
    public static boolean objectExist(String bucketName, String objectName) {
        boolean exist = true;
        try {
            minioClient.statObject(StatObjectArgs.builder().bucket(bucketName).object(objectName).build());
        } catch (Exception e) {
            exist = false;
        }
        return exist;
    }


    /**
     * 获取文件外链
     *
     * @param bucketName bucket名称
     * @param objectName 对象名称
     * @param expires    过期时间 秒
     * @return {@link String}
     * @throws MinioException s3minio异常
     */
    public static String getObjectUrl(String bucketName, String objectName, Integer expires) throws MinioException {
        try {
            return minioClient.getPresignedObjectUrl(GetPresignedObjectUrlArgs
                    .builder().bucket(bucketName).object(objectName).expiry(expires).method(Method.GET).build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("获取文件外链异常");
        }
    }

    /**
     * 获取文件外链（1天过期
     *
     * @param bucketName bucket名称
     * @param objectName 对象名称
     * @return {@link String}
     * @throws MinioException s3minio异常
     */
    public static String getObjectUrl(String bucketName, String objectName) throws MinioException {
        try {
            return minioClient.getPresignedObjectUrl(GetPresignedObjectUrlArgs
                    .builder().bucket(bucketName).object(objectName).expiry(24 * 60 * 60).method(Method.GET).build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("获取文件外链异常");
        }
    }


    /**
     * 获取对象
     *
     * @param bucketName bucket名称
     * @param objectName 对象名称
     * @return {@link GetObjectResponse} 文件流
     * @throws MinioException s3minio异常
     */
    public static GetObjectResponse getObject(String bucketName, String objectName) throws MinioException {
        try {
            return minioClient.getObject(GetObjectArgs.builder()
                    .bucket(bucketName)
                    .object(objectName)
                    .build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("获取对象异常");
        }
    }

    /**
     * 获取对象信息
     *
     * @param bucketName bucket名称
     * @param objectName 对象名称
     * @return {@link StatObjectResponse}
     * @throws MinioException s3minio异常
     */
    public static StatObjectResponse getObjectInfo(String bucketName, String objectName) throws MinioException {
        try {
            return minioClient.statObject(
                    StatObjectArgs.builder().bucket(bucketName).object(objectName).build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("获取对象信息异常");
        }
    }


    /**
     * 获取对象 （断点下载）
     *
     * @param bucketName bucket名称
     * @param objectName 对象名称
     * @param offset     起始字节位置
     * @param length     读取长度
     * @return {@link GetObjectResponse}
     * @throws Exception 异常
     */
    public static GetObjectResponse getObject(String bucketName, String objectName, long offset, long length) throws MinioException {
        try {
            return minioClient.getObject(
                    GetObjectArgs.builder().bucket(bucketName).object(objectName).offset(offset).length(length).build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("断点下载异常");
        }
    }

    /**
     * 通过MultipartFile上传文件
     *
     * @param bucketName 存储桶
     * @param file       文件
     * @param objectName 对象名
     */
    public static ObjectWriteResponse putObject(String bucketName, MultipartFile file, String objectName, String contentType) throws MinioException {
        try (InputStream inputStream = file.getInputStream()) {
            return minioClient.putObject(
                    PutObjectArgs.builder().bucket(bucketName).object(objectName).contentType(contentType)
                            .stream(inputStream, inputStream.available(), -1).build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("文件上传异常");
        }
    }

    /**
     * 上传本地文件
     *
     * @param bucketName 存储桶
     * @param objectName 对象名称
     * @param fileName   本地文件路径
     */
    public static ObjectWriteResponse putObject(String bucketName, String objectName, String fileName) throws MinioException {
        try {
            return minioClient.uploadObject(UploadObjectArgs.builder()
                    .bucket(bucketName).object(objectName).filename(fileName).build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("上传本地文件异常");
        }
    }

    /**
     * 通过流上传文件
     *
     * @param bucketName  存储桶
     * @param objectName  文件对象
     * @param inputStream 文件流
     */
    public static ObjectWriteResponse putObjectByStream(String bucketName, String objectName, InputStream inputStream) throws MinioException {
        try {
            return minioClient.putObject(
                    PutObjectArgs.builder().bucket(bucketName).object(objectName).stream(inputStream, inputStream.available(), -1)
                            .build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("通过流上传文件异常");
        }
    }

    /**
     * 创建文件夹或目录
     *
     * @param bucketName 存储桶
     * @param objectName 目录路径
     */
    public static ObjectWriteResponse createFolder(String bucketName, String objectName) throws MinioException {
        try {
            return minioClient.putObject(
                    PutObjectArgs.builder().bucket(bucketName).object(objectName).stream(
                            new ByteArrayInputStream(new byte[]{}), 0, -1)
                            .build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("文件夹创建异常");
        }
    }

    /**
     * 拷贝文件
     *
     * @param bucketName    存储桶
     * @param objectName    文件名
     * @param srcBucketName 目标存储桶
     * @param srcObjectName 目标文件名
     */
    public static ObjectWriteResponse copyObject(String bucketName, String objectName, String srcBucketName, String srcObjectName) throws MinioException {
        try {
            return minioClient.copyObject(
                    CopyObjectArgs.builder()
                            .source(CopySource.builder().bucket(bucketName).object(objectName).build())
                            .bucket(srcBucketName)
                            .object(srcObjectName)
                            .build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("拷贝文件 异常");
        }
    }

    /**
     * 删除文件
     *
     * @param bucketName 存储桶
     * @param objectName 文件名称
     */
    public static void removeObject(String bucketName, String objectName) throws MinioException {
        try {
            minioClient.removeObject(
                    RemoveObjectArgs.builder()
                            .bucket(bucketName)
                            .object(objectName)
                            .build());
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("删除文件 异常");
        }
    }


    /**
     * 批量删除对象
     *
     * @param bucketName  bucket名称
     * @param objectsName 对象名字
     * @return {@link Iterable}<{@link Result}<{@link DeleteError}>>
     * @throws MinioException s3minio异常
     */
    public static Iterable<Result<DeleteError>> removeObjects(String bucketName, List<String> objectsName) throws MinioException {
        try {
            Iterable<Result<DeleteError>> results = minioClient.removeObjects(RemoveObjectsArgs.builder().bucket(bucketName)
                    .objects(objectsName.stream().map(DeleteObject::new).collect(Collectors.toList())).build());
            return results;
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("批量删除对象 异常");
        }
    }

    /**
     * 批量删除对象2
     *
     * @param bucketName bucket名称
     * @param objectName 对象名字
     * @return {@link Iterable}<{@link Result}<{@link DeleteError}>>
     * @throws MinioException s3minio异常
     */
    public static Iterable<Result<DeleteError>> removeObjects(String bucketName, String... objectName) throws MinioException {
        try {
            Iterable<Result<DeleteError>> results = minioClient.removeObjects(RemoveObjectsArgs.builder().bucket(bucketName)
                    .objects(Arrays.stream(objectName).map(DeleteObject::new).collect(Collectors.toList())).build());
            return results;
        } catch (Exception e) {
            log.error("minio 异常 {} ", e);
            throw new MinioException("批量删除对象 异常");
        }
    }


    /**
     * 获取文件路径的 可访问链接
     */
    public static String getAvailableFileUrl(String objectName) {
        if (CN.isEmpty(objectName) || objectName.startsWith("http"))
            return objectName;
        String cc;
        try {
            RedisUtil redisUtil = SpringContextUtils.getBean(RedisUtil.class);
            String redisKey = "minio_" + objectName;
            boolean hasRedisUtil = redisUtil != null;
            if (hasRedisUtil && redisUtil.hasKey(redisKey)) {
                return redisUtil.getStr(redisKey);
            }
            int expires = 60 * 60 * 24 * 7 - 100;
            cc = getObjectUrl(bucketName, objectName, expires);
            if (hasRedisUtil) {
                redisUtil.set(redisKey, cc, expires);
            }
        } catch (Exception e) {
            String str = DateUtils.getNowStrForLogPre() + " 【getAvailableFileUrl 获取文件路径的 可访问链接 异常】 " + e.getMessage();
            System.out.println(str);
            log.error(str, e);
            cc = objectName;
        }
        return cc;
    }

    @Data
    @NoArgsConstructor
    @Configuration
    @Component
    @ConfigurationProperties(prefix = "j****g.minio")
    public static class MinIoConfig {
        private String endpoint;
        private String accessKey;
        private String secretKey;
        private String bucketName;

        public MinIoConfig(String endpoint, String accessKey, String secretKey, String bucketName) {
            this.endpoint = endpoint;
            this.accessKey = accessKey;
            this.secretKey = secretKey;
            this.bucketName = bucketName;
        }
    }
}