# 可参考 https://docs.min.io/docs/minio-docker-quickstart-guide.htmlversion: '3'services:  minio:    image: minio/minio:latest                                    # 原镜像`minio/minio:latest`    container_name: minio                                        # 容器名为'minio'    restart: unless-stopped                                              # 指定容器退出后的重启策略为始终重启，但是不考虑在Docker守护进程启动时就已经停止了的容器    volumes:                                                     # 数据卷挂载路径设置,将本机目录映射到容器目录      - "./minio/data:/data"      - "./minio/minio:/minio"      - "./minio/config:/root/.minio"    environment:                                      # 设置环境变量,相当于docker run命令中的-e      TZ: Asia/Shanghai      LANG: en_US.UTF-8      MINIO_PROMETHEUS_AUTH_TYPE: "public"      MINIO_ACCESS_KEY: "root"                        # 登录账号      MINIO_SECRET_KEY: "password"                    # 登录密码    command: server /data  --console-address ":9001"    logging:      driver: "json-file"      options:        max-size: "100m"    ports:                              # 映射端口      - "9000:9000" # 文件上传&预览端口      - "9001:9001" # 控制台访问端口

<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0"         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">    <parent>        <artifactId>springboot-demo</artifactId>        <groupId>com.et</groupId>        <version>1.0-SNAPSHOT</version>    </parent>    <modelVersion>4.0.0</modelVersion>
    <artifactId>minio</artifactId>
    <properties>        <maven.compiler.source>8</maven.compiler.source>        <maven.compiler.target>8</maven.compiler.target>    </properties>    <dependencies>
        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-web</artifactId>        </dependency>
        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-autoconfigure</artifactId>        </dependency>        <dependency>            <groupId>org.projectlombok</groupId>            <artifactId>lombok</artifactId>            <version>1.18.20</version>        </dependency>
        <dependency>            <groupId>io.minio</groupId>            <artifactId>minio</artifactId>            <version>8.2.2</version>        </dependency>
        <dependency>            <groupId>org.apache.commons</groupId>            <artifactId>commons-lang3</artifactId>            <version>3.11</version>        </dependency>
    </dependencies></project>

package com.et.minio.config;
import io.minio.MinioClient;import lombok.Data;import org.springframework.boot.context.properties.ConfigurationProperties;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;
@Data@Configuration@ConfigurationProperties(prefix = "minio")public class MinioConfig {
    private String endpoint;    private String accessKey;    private String secretKey;    private String bucketName;
    @Bean    public MinioClient minioClient() {        return MinioClient.builder()                .endpoint(endpoint)                .credentials(accessKey, secretKey)                .build();    }}

package com.et.minio.controller;
import com.et.minio.config.MinioConfig;import com.et.minio.util.MinioUtils;import lombok.extern.slf4j.Slf4j;import org.apache.commons.lang3.StringUtils;import org.apache.tomcat.util.http.fileupload.IOUtils;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.*;import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;import java.io.InputStream;
@Slf4j@RestController@RequestMapping("/oss")public class OSSController {
    @Autowired    private MinioUtils minioUtils;        @Autowired    private MinioConfig minioConfig;        /**     * 文件上传     *     * @param file     */    @PostMapping("/upload")    public String upload(@RequestParam("file") MultipartFile file) {        try {            //文件名            String fileName = file.getOriginalFilename();            String newFileName = System.currentTimeMillis() + "." + StringUtils.substringAfterLast(fileName, ".");            //类型            String contentType = file.getContentType();            minioUtils.uploadFile(minioConfig.getBucketName(), file, newFileName, contentType);            return "上传成功";        } catch (Exception e) {            e.printStackTrace();            log.error("上传失败");            return "上传失败";        }    }
    /**     * 删除     *     * @param fileName     */    @DeleteMapping("/")    public void delete(@RequestParam("fileName") String fileName) {        minioUtils.removeFile(minioConfig.getBucketName(), fileName);    }
    /**     * 获取文件信息     *     * @param fileName     * @return     */    @GetMapping("/info")    public String getFileStatusInfo(@RequestParam("fileName") String fileName) {        return minioUtils.getFileStatusInfo(minioConfig.getBucketName(), fileName);    }
    /**     * 获取文件外链     *     * @param fileName     * @return     */    @GetMapping("/url")    public String getPresignedObjectUrl(@RequestParam("fileName") String fileName) {        return minioUtils.getPresignedObjectUrl(minioConfig.getBucketName(), fileName);    }
    /**     * 文件下载     *     * @param fileName     * @param response     */    @GetMapping("/download")    public void download(@RequestParam("fileName") String fileName, HttpServletResponse response) {        try {            InputStream fileInputStream = minioUtils.getObject(minioConfig.getBucketName(), fileName);            response.setHeader("Content-Disposition", "attachment;filename=" + fileName);            response.setContentType("application/force-download");            response.setCharacterEncoding("UTF-8");            IOUtils.copy(fileInputStream, response.getOutputStream());        } catch (Exception e) {            log.error("下载失败");        }    }
}

package com.et.minio.util;
import io.minio.*;import io.minio.http.Method;import io.minio.messages.Bucket;import io.minio.messages.DeleteObject;import io.minio.messages.Item;import lombok.RequiredArgsConstructor;import lombok.SneakyThrows;import lombok.extern.slf4j.Slf4j;import org.apache.commons.lang3.StringUtils;import org.springframework.stereotype.Component;import org.springframework.web.multipart.MultipartFile;import sun.misc.BASE64Decoder;
import java.io.ByteArrayInputStream;import java.io.InputStream;import java.io.UnsupportedEncodingException;import java.net.URLDecoder;import java.util.*;
/** * MinIO工具类 * */@Slf4j@Component@RequiredArgsConstructorpublic class MinioUtils {
    private final MinioClient minioClient;
    /******************************  Operate Bucket Start  ******************************/
    /**     * 启动SpringBoot容器的时候初始化Bucket     * 如果没有Bucket则创建     *     * @param bucketName     */    @SneakyThrows(Exception.class)    private void createBucket(String bucketName) {        if (!bucketExists(bucketName)) {            minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());        }    }
    /**     * 判断Bucket是否存在，true：存在，false：不存在     *     * @param bucketName     * @return     */    @SneakyThrows(Exception.class)    public boolean bucketExists(String bucketName) {        return minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());    }
    /**     * 获得Bucket的策略     *     * @param bucketName     * @return     */    @SneakyThrows(Exception.class)    public String getBucketPolicy(String bucketName) {        return minioClient.getBucketPolicy(GetBucketPolicyArgs                .builder()                .bucket(bucketName)                .build());    }
    /**     * 获得所有Bucket列表     *     * @return     */    @SneakyThrows(Exception.class)    public List<Bucket> getAllBuckets() {        return minioClient.listBuckets();    }
    /**     * 根据bucketName获取其相关信息     *     * @param bucketName     * @return     */    @SneakyThrows(Exception.class)    public Optional<Bucket> getBucket(String bucketName) {        return getAllBuckets().stream().filter(b -> b.name().equals(bucketName)).findFirst();    }
    /**     * 根据bucketName删除Bucket，true：删除成功； false：删除失败，文件或已不存在     *     * @param bucketName     * @throws Exception     */    @SneakyThrows(Exception.class)    public void removeBucket(String bucketName) {        minioClient.removeBucket(RemoveBucketArgs.builder().bucket(bucketName).build());    }
    /******************************  Operate Bucket End  ******************************/

    /******************************  Operate Files Start  ******************************/
    /**     * 判断文件是否存在     *     * @param bucketName     * @param objectName     * @return     */    public boolean isObjectExist(String bucketName, String objectName) {        boolean exist = true;        try {            minioClient.statObject(StatObjectArgs.builder().bucket(bucketName).object(objectName).build());        } catch (Exception e) {            log.error("[Minio工具类]>>>> 判断文件是否存在, 异常：", e);            exist = false;        }        return exist;    }
    /**     * 判断文件夹是否存在     *     * @param bucketName     * @param objectName     * @return     */    public boolean isFolderExist(String bucketName, String objectName) {        boolean exist = false;        try {            Iterable<Result<Item>> results = minioClient.listObjects(                    ListObjectsArgs.builder().bucket(bucketName).prefix(objectName).recursive(false).build());            for (Result<Item> result : results) {                Item item = result.get();                if (item.isDir() && objectName.equals(item.objectName())) {                    exist = true;                }            }        } catch (Exception e) {            log.error("[Minio工具类]>>>> 判断文件夹是否存在，异常：", e);            exist = false;        }        return exist;    }
    /**     * 根据文件前置查询文件     *     * @param bucketName 存储桶     * @param prefix     前缀     * @param recursive  是否使用递归查询     * @return MinioItem 列表     */    @SneakyThrows(Exception.class)    public List<Item> getAllObjectsByPrefix(String bucketName,                                            String prefix,                                            boolean recursive) {        List<Item> list = new ArrayList<>();        Iterable<Result<Item>> objectsIterator = minioClient.listObjects(                ListObjectsArgs.builder().bucket(bucketName).prefix(prefix).recursive(recursive).build());        if (objectsIterator != null) {            for (Result<Item> o : objectsIterator) {                Item item = o.get();                list.add(item);            }        }        return list;    }
    /**     * 获取文件流     *     * @param bucketName 存储桶     * @param objectName 文件名     * @return 二进制流     */    @SneakyThrows(Exception.class)    public InputStream getObject(String bucketName, String objectName) {        return minioClient.getObject(                GetObjectArgs.builder()                        .bucket(bucketName)                        .object(objectName)                        .build());    }
    /**     * 断点下载     *     * @param bucketName 存储桶     * @param objectName 文件名称     * @param offset     起始字节的位置     * @param length     要读取的长度     * @return 二进制流     */    @SneakyThrows(Exception.class)    public InputStream getObject(String bucketName, String objectName, long offset, long length) {        return minioClient.getObject(                GetObjectArgs.builder()                        .bucket(bucketName)                        .object(objectName)                        .offset(offset)                        .length(length)                        .build());    }
    /**     * 获取路径下文件列表     *     * @param bucketName 存储桶     * @param prefix     文件名称     * @param recursive  是否递归查找，false：模拟文件夹结构查找     * @return 二进制流     */    public Iterable<Result<Item>> listObjects(String bucketName, String prefix, boolean recursive) {        return minioClient.listObjects(                ListObjectsArgs.builder()                        .bucket(bucketName)                        .prefix(prefix)                        .recursive(recursive)                        .build());    }
    /**     * 使用MultipartFile进行文件上传     *     * @param bucketName  存储桶     * @param file        文件名     * @param objectName  对象名     * @param contentType 类型     * @return     */    @SneakyThrows(Exception.class)    public ObjectWriteResponse uploadFile(String bucketName, MultipartFile file, String objectName, String contentType) {        InputStream inputStream = file.getInputStream();        return minioClient.putObject(                PutObjectArgs.builder()                        .bucket(bucketName)                        .object(objectName)                        .contentType(contentType)                        .stream(inputStream, inputStream.available(), -1)                        .build());    }
    /**     * 图片上传     * @param bucketName     * @param imageBase64     * @param imageName     * @return     */    public ObjectWriteResponse uploadImage(String bucketName, String imageBase64, String imageName) {        if (!StringUtils.isEmpty(imageBase64)) {            InputStream in = base64ToInputStream(imageBase64);            String newName = System.currentTimeMillis() + "_" + imageName + ".jpg";            String year = String.valueOf(new Date().getYear());            String month = String.valueOf(new Date().getMonth());            return uploadFile(bucketName, year + "/" + month + "/" + newName, in);
        }        return null;    }
    public static InputStream base64ToInputStream(String base64) {        ByteArrayInputStream stream = null;        try {            byte[] bytes = new BASE64Decoder().decodeBuffer(base64.trim());            stream = new ByteArrayInputStream(bytes);        } catch (Exception e) {            e.printStackTrace();        }        return stream;    }

    /**     * 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     * @return     */    @SneakyThrows(Exception.class)    public ObjectWriteResponse uploadFile(String bucketName, String objectName, String fileName) {        return minioClient.uploadObject(                UploadObjectArgs.builder()                        .bucket(bucketName)                        .object(objectName)                        .filename(fileName)                        .build());    }
    /**     * 通过流上传文件     *     * @param bucketName  存储桶     * @param objectName  文件对象     * @param inputStream 文件流     * @return     */    @SneakyThrows(Exception.class)    public ObjectWriteResponse uploadFile(String bucketName, String objectName, InputStream inputStream) {        return minioClient.putObject(                PutObjectArgs.builder()                        .bucket(bucketName)                        .object(objectName)                        .stream(inputStream, inputStream.available(), -1)                        .build());    }
    /**     * 创建文件夹或目录     *     * @param bucketName 存储桶     * @param objectName 目录路径     * @return     */    @SneakyThrows(Exception.class)    public ObjectWriteResponse createDir(String bucketName, String objectName) {        return minioClient.putObject(                PutObjectArgs.builder()                        .bucket(bucketName)                        .object(objectName)                        .stream(new ByteArrayInputStream(new byte[]{}), 0, -1)                        .build());    }
    /**     * 获取文件信息, 如果抛出异常则说明文件不存在     *     * @param bucketName 存储桶     * @param objectName 文件名称     * @return     */    @SneakyThrows(Exception.class)    public String getFileStatusInfo(String bucketName, String objectName) {        return minioClient.statObject(                StatObjectArgs.builder()                        .bucket(bucketName)                        .object(objectName)                        .build()).toString();    }
    /**     * 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     */    @SneakyThrows(Exception.class)    public ObjectWriteResponse copyFile(String bucketName, String objectName, String srcBucketName, String srcObjectName) {        return minioClient.copyObject(                CopyObjectArgs.builder()                        .source(CopySource.builder().bucket(bucketName).object(objectName).build())                        .bucket(srcBucketName)                        .object(srcObjectName)                        .build());    }
    /**     * 删除文件     *     * @param bucketName 存储桶     * @param objectName 文件名称     */    @SneakyThrows(Exception.class)    public void removeFile(String bucketName, String objectName) {        minioClient.removeObject(                RemoveObjectArgs.builder()                        .bucket(bucketName)                        .object(objectName)                        .build());    }
    /**     * 批量删除文件     *     * @param bucketName 存储桶     * @param keys       需要删除的文件列表     * @return     */    public void removeFiles(String bucketName, List<String> keys) {        List<DeleteObject> objects = new LinkedList<>();        keys.forEach(s -> {            objects.add(new DeleteObject(s));            try {                removeFile(bucketName, s);            } catch (Exception e) {                log.error("[Minio工具类]>>>> 批量删除文件，异常：", e);            }        });    }
    /**     * 获取文件外链     *     * @param bucketName 存储桶     * @param objectName 文件名     * @param expires    过期时间 <=7 秒 （外链有效时间（单位：秒））     * @return url     */    @SneakyThrows(Exception.class)    public String getPresignedObjectUrl(String bucketName, String objectName, Integer expires) {        GetPresignedObjectUrlArgs args = GetPresignedObjectUrlArgs.builder().expiry(expires).bucket(bucketName).object(objectName).build();        return minioClient.getPresignedObjectUrl(args);    }
    /**     * 获得文件外链     *     * @param bucketName     * @param objectName     * @return url     */    @SneakyThrows(Exception.class)    public String getPresignedObjectUrl(String bucketName, String objectName) {        GetPresignedObjectUrlArgs args = GetPresignedObjectUrlArgs.builder()                .bucket(bucketName)                .object(objectName)                .method(Method.GET).build();        return minioClient.getPresignedObjectUrl(args);    }
    /**     * 将URLDecoder编码转成UTF8     *     * @param str     * @return     * @throws UnsupportedEncodingException     */    public String getUtf8ByURLDecoder(String str) throws UnsupportedEncodingException {        String url = str.replaceAll("%(?![0-9a-fA-F]{2})", "%25");        return URLDecoder.decode(url, "UTF-8");    }}