spring-boot 集成Minio

docker 安装minio
检索 docker search minio
安装 docker pull minio/minio
启动命令
docker run -d -p 9000:9000 -p 9001:9001 --name=minio
–restart=always
–privileged=true
-e “MINIO_ROOT_USER=admin”
-e “MINIO_ROOT_PASSWORD=123456”
-v /home/minio/data:/data
-v /home/minio/config:/root/.minio minio/minio server /data
–console-address “:9001”
–address “:9000”

-p 暴露端口 9000 90001
-e 设置用户名密码
-v 挂载文件
–console-address 配置控制台端口
–address 配置api接口

这时就可以访问minio了
http://192.168.1.6:9001/login

通过注解加载配置类

工具类

@Slf4j
@Component
public class MinioUtil {
    @Autowired
    private MinioClient minioClient;


    @Autowired
    private MinioProp prop;


    
    public Boolean bucketExists(String bucketName) {
        Boolean found;
        try {
            found = minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());
        } catch (Exception e) {
            log.error("查看存储bucket是否存在失败： 错误信息：{}",e);
            return false;
        }
        return found;
    }

    
    public Boolean makeBucket(String bucketName) {
        try {
            minioClient.makeBucket(MakeBucketArgs.builder()
                    .bucket(bucketName)
                    .build());
        } catch (Exception e) {
            log.error("创建存储bucket失败： 错误信息：{}",e);
            return false;
        }
        return true;
    }
    
    public Boolean removeBucket(String bucketName) {
        try {
            minioClient.removeBucket(RemoveBucketArgs.builder()
                    .bucket(bucketName)
                    .build());
        } catch (Exception e) {
            log.error("删除存储bucket失败： 错误信息：{}",e);
            return false;
        }
        return true;
    }
    
    public List getAllBuckets() {
        try {
            List buckets = minioClient.listBuckets();
            return buckets;
        } catch (Exception e) {
            log.error("获取全部bucket失败： 错误信息：{}",e);
        }
        return null;
    }



    
    public String upload(MultipartFile file) {
        String originalFilename = file.getOriginalFilename();
        if (StringUtils.isBlank(originalFilename)){
            throw new RuntimeException();
        }
        int pointIndex = originalFilename.lastIndexOf(".");
        String fileName = prop.getBucketName() + SnowflakeId.getInstance().nextId()+ (pointIndex > -1 ? originalFilename.substring(pointIndex) : "");;
        try {
            PutObjectArgs objectArgs = PutObjectArgs.builder().bucket(prop.getBucketName()).object(fileName)
                    .stream(file.getInputStream(), file.getSize(), -1).contentType(file.getContentType()).build();
            //文件名称相同会覆盖
            minioClient.putObject(objectArgs);
        } catch (Exception e) {
            log.error("上传失败： 错误信息：{}",e);
            return null;
        }
        return fileName;
    }

    
    public Map upload(List file) {
        Map result  = new HashMap<>();
        for (int i=0;i -1 ? originalFilename.substring(pointIndex) : "");;
            try {
                PutObjectArgs objectArgs = PutObjectArgs.builder().bucket(prop.getBucketName()).object(fileName)
                        .stream(file.get(i).getInputStream(), file.get(i).getSize(), -1).contentType(file.get(i).getContentType()).build();
                //文件名称相同会覆盖
                minioClient.putObject(objectArgs);
                result.put(originalFilename,fileName);
            } catch (Exception e) {
                log.error("上传失败： 错误信息：{}",e);
                result.put("originalFilename","error");
            }
        }
        return result;
    }

    
    public String preview(String fileName){
        // 查看文件地址
        GetPresignedObjectUrlArgs build = new GetPresignedObjectUrlArgs().builder().bucket(prop.getBucketName()).object(fileName).method(Method.GET).build();
        try {
            String url = minioClient.getPresignedObjectUrl(build);
            return url;
        } catch (Exception e) {
            log.error("预览失败： 错误信息：{}",e);
        }
        return null;
    }

    
    public void download(String fileName, HttpServletResponse res) {
        GetObjectArgs objectArgs = GetObjectArgs.builder().bucket(prop.getBucketName())
                .object(fileName).build();
        try (GetObjectResponse response = minioClient.getObject(objectArgs)){
            byte[] buf = new byte[1024];
            int len;
            try (FastByteArrayOutputStream os = new FastByteArrayOutputStream()){
                while ((len=response.read(buf))!=-1){
                    os.write(buf,0,len);
                }
                os.flush();
                byte[] bytes = os.toByteArray();
                res.setCharacterEncoding("utf-8");
                // 设置强制下载不打开
                // res.setContentType("application/force-download");
                res.addHeader("Content-Disposition", "attachment;fileName=" + fileName);
                try (ServletOutputStream stream = res.getOutputStream()){
                    stream.write(bytes);
                    stream.flush();
                }
            }
        } catch (Exception e) {
            log.error("下载失败： 错误信息：{}",e);
        }
    }

    
    public List listObjects() {
        Iterable> results = minioClient.listObjects(
                ListObjectsArgs.builder().bucket(prop.getBucketName()).build());
        List items = new ArrayList<>();
        try {
            for (Result result : results) {
                items.add(result.get());
            }
        } catch (Exception e) {
            log.error("查看文件对象失败： 错误信息：{}",e);
            return null;
        }
        return items;
    }

    
    public boolean remove(String fileName){
        try {
            minioClient.removeObject( RemoveObjectArgs.builder().bucket(prop.getBucketName()).object(fileName).build());
        }catch (Exception e){
            log.error("删除失败： 错误信息：{}",e);
            return false;
        }
        return true;
    }

yml配置 
minio:
  enable: true
  address: http://192.168.1.6:9000
  accessKey: admin
  secretKey: wangjing
  bucketName: goods

pom 引入的版本
**8.4.3无法创建minioClient对象**

      io.minio
      minio
       8.0.3

以上部分可写到公共项目中

调用方式

@RestController
 public class FileController{
@Autowired
    private MinioProp prop;
    @Autowired
    private MinioUtil minioUtil;


    @ApiOperation(value = "查看存储bucket是否存在")
    @GetMapping("/bucketExists")
    public boolean bucketExists(String bucketName) {
        return minioUtil.bucketExists(bucketName);
    }
    }