MinIO学习指南看这一篇就够了

setx MINIO_ROOT_USER name 

 setx MINIO_ROOT_PASSWORD password

.\minio.exe server D:\develpo\minio\data --console-address "127.0.0.1:9000" --address "127.0.0.1:9005"

export MINIO_STORAGE_CLASS_STANDARD=EC:4
export MINIO_STORAGE_CLASS_RRS=EC:2

mc admin config set myminio/ storage_class standard="EC:4"
mc admin config set myminio/ storage_class rrs="EC:2"
# 重启minio服务
mc admin service restart myminio/

mc ls <alias>

mc mb <alias>/<bucket_name>

mc cp <file_path> <alias>/<bucket_name>

mc cp <alias>/<bucket_name>/<file_name> <local_file_path>

mc cp <source> <target>

mc mv <source> <target>

mc rm <alias>/<bucket_name>/<object_name>

mc rb <alias>/<bucket_name>

 <dependency>
       <groupId>io.minio</groupId>
       <artifactId>minio</artifactId>
       <version>8.2.2</version>
 </dependency>

minio:
  config:
    url: http://127.0.0.1:9005 #ip地址
    accessKey: admin #  账号
    secretKey: admin962464 #  密码
    secure: false #如果是true，则用的是https而不是http,默认值是true
    bucketName: "test"  # 桶的名字 相当于文件夹

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.config")
public class MinioConfig {
    /**
     * 服务地址
     */
    private String url;
    /**
     * 用户名
     */
    private String accessKey;
    /**
     * 密码
     */
    private String secretKey;
    /**
     * 存储桶名称
     */
    private String bucketName;
    @Bean
    public MinioClient getMinioClient() {
        return MinioClient.builder().endpoint(url).credentials(accessKey, secretKey).build();
    }
}

import com.jjy.shopping_file_service.config.MinioConfig;
import io.minio.*;
import io.minio.http.Method;
import io.minio.messages.Bucket;
import io.minio.messages.Item;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.util.FastByteArrayOutputStream;
import org.springframework.util.StringUtils;
import org.springframework.web.multipart.MultipartFile;
import javax.annotation.Resource;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.UUID;
@Slf4j
@Component
public class MinIOUtil {
    @Resource
    private MinioConfig minioConfig;
    @Resource
    private MinioClient minioClient;
    /**
     * 查看存储bucket是否存在
     *
     * @param bucketName 存储桶名称
     * @return boolean
     */
    public Boolean bucketExists(String bucketName) {
        Boolean found;
        try {
            found = minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
        return found;
    }
    /**
     * 创建存储bucket
     *
     * @param bucketName 存储桶名称
     * @return Boolean
     */
    public Boolean makeBucket(String bucketName) {
        try {
            minioClient.makeBucket(MakeBucketArgs.builder()
                    .bucket(bucketName)
                    .build());
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }
    /**
     * 删除存储bucket
     *
     * @param bucketName 存储桶名称
     * @return Boolean
     */
    public Boolean removeBucket(String bucketName) {
        try {
            minioClient.removeBucket(RemoveBucketArgs.builder()
                    .bucket(bucketName)
                    .build());
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }
    /**
     * 获取全部bucket
     *
     * @return 存储桶列表
     */
    public List<Bucket> getAllBuckets() {
        try {
            return minioClient.listBuckets();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
    /**
     * 文件上传
     *
     * @param file 文件
     * @return 文件对象名称
     */
    public String upload(MultipartFile file) {
        String originalFilename = file.getOriginalFilename();
        System.out.println(originalFilename);
        if (!StringUtils.hasText(originalFilename)) {
            throw new RuntimeException();
        }
        String fileName = UUID.randomUUID() + originalFilename.substring(originalFilename.lastIndexOf("."));
        String prefix = new SimpleDateFormat("yyyy/MM/dd").format(new Date());
        String objectName = prefix + "/" + fileName;
        try {
            PutObjectArgs objectArgs = PutObjectArgs.builder().bucket(minioConfig.getBucketName()).object(objectName)
                    .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) {
            e.printStackTrace();
            return null;
        }
        return objectName;
    }
    /**
     * 预览图片
     *
     * @param fileName 文件名称
     * @return 文件预览链接
     */
    public String preview(String fileName) {
        // 查看文件地址
        GetPresignedObjectUrlArgs build = GetPresignedObjectUrlArgs
                .builder()
                .bucket(minioConfig.getBucketName())
                .object(fileName).method(Method.GET).build();
        try {
            String url = minioClient.getPresignedObjectUrl(build);
            return url;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
    /**
     * 文件下载
     *
     * @param fileName 文件名称
     * @param res      response
     */
    public void download(String fileName, HttpServletResponse res) {
        GetObjectArgs objectArgs = GetObjectArgs.builder().bucket(minioConfig.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");
                res.addHeader("Content-Disposition", "attachment;fileName=" + fileName);
                try (ServletOutputStream stream = res.getOutputStream()) {
                    stream.write(bytes);
                    stream.flush();
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    /**
     * 查看文件对象
     *
     * @return 存储bucket内文件对象信息
     */
    public List<Item> listObjects() {
        Iterable<Result<Item>> results = minioClient.listObjects(
                ListObjectsArgs.builder().bucket(minioConfig.getBucketName()).build());
        List<Item> items = new ArrayList<>();
        try {
            for (Result<Item> result : results) {
                items.add(result.get());
            }
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
        return items;
    }
    /**
     * 删除
     *
     * @param fileName 文件名称
     * @return 是否删除成功
     */
    public boolean remove(String fileName) {
        try {
            minioClient.removeObject(RemoveObjectArgs.builder()
                    .bucket(minioConfig.getBucketName())
                    .object(fileName)
                    .build());
        } catch (Exception e) {
            return false;
        }
        return true;
    }
}

import com.cyw.miniodemo.config.MinioConfig;
import com.cyw.miniodemo.pojo.Rst;
import com.cyw.miniodemo.service.FileUploadService;
import com.cyw.miniodemo.utils.MinIOUtil;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;
@Slf4j
@RestController
@RequestMapping("/api/file")
@AllArgsConstructor
public class FileUploadController {
    private MinioConfig minioConfig;
    private MinIOUtil minIOUtil;
    private FileUploadService fileUploadService;
    @GetMapping("/bucketExists")
    public Rst bucketExists(@RequestParam("bucketName") String bucketName) {
        Map<String, Object> map = new HashMap<>();
        map.put("bucketExists", minIOUtil.bucketExists(bucketName));
        return Rst.ok("查询成功", map);
    }
    @GetMapping("/makeBucket")
    public Rst makeBucket(@RequestParam("bucketName") String bucketName) {
        Map<String, Object> map = new HashMap<>();
        map.put("makeBucketSuccess", minIOUtil.makeBucket(bucketName));
        return Rst.ok("创建成功", map);
    }
    @GetMapping("/removeBucket")
    public Rst removeBucket(@RequestParam("bucketName") String bucketName) {
        Map<String, Object> map = new HashMap<>();
        map.put("deleteBucketSuccess", minIOUtil.removeBucket(bucketName));
        return Rst.ok("删除成功", map);
    }
    @GetMapping("/getAllBuckets")
    public Rst getAllBuckets() {
        Map<String, Object> map = new HashMap<>();
        map.put("buckets", minIOUtil.getAllBuckets());
        return Rst.ok("查询成功", map);
    }
    @PostMapping("/upload")
    public Rst upload(@RequestParam("file") MultipartFile file) {
        String objectName = minIOUtil.upload(file);
        if (objectName != null) {
            Map<String, Object> map = new HashMap<>();
            map.put("url", (minioConfig.getEndpoint() + "/" + minioConfig.getBucketName() + "/" + objectName));
            return Rst.ok("上传成功", map);
        }
        return Rst.fail("上传失败");
    }
    @GetMapping("/preview")
    public Rst preview(@RequestParam("fileName") String fileName) {
        Map<String, Object> map = new HashMap<>();
        map.put("url", minIOUtil.preview(fileName));
        return Rst.ok("预览成功", map);
    }
    @GetMapping("/download")
    public Rst download(@RequestParam("fileName") String fileName, HttpServletResponse resp) {
        minIOUtil.download(fileName, resp);
        return Rst.ok();
    }
    @PostMapping("/delete")
    public Rst remove(@RequestBody Map<String, String> params) {
        String url = params.get("url");
        String objName = url.substring(url.lastIndexOf(minioConfig.getBucketName() + "/") + minioConfig.getBucketName().length() + 1);
        log.info("删除对象: {}", objName);
        minIOUtil.remove(objName);
        return Rst.ok("删除成功");
    }
}