SpringBoot整合Minio的示例代碼

更新時間：2022年12月27日 15:20:36 作者：striver20

這篇文章主要介紹了SpringBoot整合Minio的示例代碼，本文通過示例代碼給大家介紹的非常詳細，對大家的學習或工作具有一定的參考借鑒價值,需要的朋友可以參考下

SpringBoot整合Minio

進入Minio官網,下載對應的Minio版本

官網安裝文檔

下載完成之后，啟動(windows版)

minio.exe server D:\minio\server

minio.exe server：啟動服務

D:\minio\server：設置上傳圖片存儲路徑

API：上傳圖片鏈接(端口默認9000)

RootUser：賬號

RootPass：密碼

Console：控制臺地址

訪問控制臺地址：http://192.168.1.15:50932 進入控制臺

創(chuàng)建存儲桶

引入依賴

<!--minio-->
        <dependency>
            <groupId>io.minio</groupId>
            <artifactId>minio</artifactId>
            <version>8.0.3</version>
        </dependency>

yml配置

server:
  port: 8099
spring:
  # 配置文件上傳大小限制
  servlet:
    multipart:
      max-file-size: 200MB
      max-request-size: 200MB
minio:
#文件上傳接口
  endpoint: http://127.0.0.1:9000
  accessKey: minioadmin
  secretKey: minioadmin
  #存儲通名稱
  bucketName: img

配置類（注冊minio客戶端）

@Data
@Component
public class MinIoClientConfig {

    @Value("${minio.endpoint}")
    private String endpoint;

    @Value("${minio.accessKey}")
    private String accessKey;

    @Value("${minio.secretKey}")
    private String secreKey;

    /**
     * 注入minio客戶端
     * @return
     */
    @Bean
    public MinioClient minioClient(){
        return MinioClient.builder()
                .endpoint(endpoint)
                .credentials(accessKey,secreKey)
                .build();
    }
}

工具類

/**
 * 功能描述：MinioUtils
 *
 * @author: sc
 * @Date: 2022/12/27
 * @Time: 10:26
 */
@Component
public class MinioUtils {
    @Autowired
    private MinioClient minioClient;

    @Value("${minio.bucketName}")
    private String bucketName;

    /**
     * description: 判斷bucket是否存在，不存在則創(chuàng)建
     *
     * @return: void
     */
    public void existBucket(String name) {
        try {
            boolean exists = minioClient.bucketExists(BucketExistsArgs.builder().bucket(name).build());
            if (!exists) {
                minioClient.makeBucket(MakeBucketArgs.builder().bucket(name).build());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 創(chuàng)建存儲bucket
     * @param bucketName 存儲bucket名稱
     * @return Boolean
     */
    public Boolean makeBucket(String bucketName) {
        try {
            minioClient.makeBucket(MakeBucketArgs.builder()
                    .bucket(bucketName)
                    .build());
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    /**
     * 刪除存儲bucket
     * @param bucketName 存儲bucket名稱
     * @return Boolean
     */
    public Boolean removeBucket(String bucketName) {
        try {
            minioClient.removeBucket(RemoveBucketArgs.builder()
                    .bucket(bucketName)
                    .build());
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }

    /**
     * description: 上傳文件
     *
     * @param multipartFile
     * @return: java.lang.String
     */
    public List<String> upload(MultipartFile[] multipartFile) {
        List<String> names = new ArrayList<>(multipartFile.length);
        for (MultipartFile file : multipartFile) {
            String fileName = file.getOriginalFilename();
            String[] split = fileName.split("\\.");
            if (split.length > 1) {
                fileName = split[0] + "_" + System.currentTimeMillis() + "." + split[1];
            } else {
                fileName = fileName + System.currentTimeMillis();
            }
            InputStream in = null;
            try {
                in = file.getInputStream();
                minioClient.putObject(PutObjectArgs.builder()
                        .bucket(bucketName)
                        .object(fileName)
                        .stream(in, in.available(), -1)
                        .contentType(file.getContentType())
                        .build()
                );
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                if (in != null) {
                    try {
                        in.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
            names.add(fileName);
        }
        return names;
    }

    /**
     * description: 下載文件
     *
     * @param fileName
     * @return: org.springframework.http.ResponseEntity<byte [ ]>
     */
    public ResponseEntity<byte[]> download(String fileName) {
        ResponseEntity<byte[]> responseEntity = null;
        InputStream in = null;
        ByteArrayOutputStream out = null;
        try {
            in = minioClient.getObject(GetObjectArgs.builder().bucket(bucketName).object(fileName).build());
            out = new ByteArrayOutputStream();
            IOUtils.copy(in, out);
            //封裝返回值
            byte[] bytes = out.toByteArray();
            HttpHeaders headers = new HttpHeaders();
            try {
                headers.add("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            headers.setContentLength(bytes.length);
            headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
            headers.setAccessControlExposeHeaders(Arrays.asList("*"));
            responseEntity = new ResponseEntity<byte[]>(bytes, headers, HttpStatus.OK);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (in != null) {
                    try {
                        in.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
                if (out != null) {
                    out.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return responseEntity;
    }

    /**
     * 查看文件對象
     * @param bucketName 存儲bucket名稱
     * @return 存儲bucket內文件對象信息
     */
    public List<ObjectItem> listObjects(String bucketName) {
        Iterable<Result<Item>> results = minioClient.listObjects(
                ListObjectsArgs.builder().bucket(bucketName).build());
        List<ObjectItem> objectItems = new ArrayList<>();
        try {
            for (Result<Item> result : results) {
                Item item = result.get();
                ObjectItem objectItem = new ObjectItem();
                objectItem.setObjectName(item.objectName());
                objectItem.setSize(item.size());
                objectItems.add(objectItem);
            }
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
        return objectItems;
    }

    /**
     * 批量刪除文件對象
     * @param bucketName 存儲bucket名稱
     * @param objects 對象名稱集合
     */
    public Iterable<Result<DeleteError>> removeObjects(String bucketName, List<String> objects) {
        List<DeleteObject> dos = objects.stream().map(e -> new DeleteObject(e)).collect(Collectors.toList());
        Iterable<Result<DeleteError>> results = minioClient.removeObjects(RemoveObjectsArgs.builder().bucket(bucketName).objects(dos).build());
        return results;
    }

}

實體類

/**
 * 功能描述：
 *
 * @author: sc
 * @Date: 2022/12/27
 * @Time: 10:25
 */
@Data
public class ObjectItem {
    private String objectName;
    private Long size;
}

編寫Controller

/**
 * 功能描述：
 *
 * @author: sc
 * @Date: 2022/12/27
 * @Time: 10:35
 */
@RestController
public class MinioController {
    @Resource
    private MinioUtils minioUtils;
    @Value("${minio.endpoint}")
    private String address;
    @Value("${minio.bucketName}")
    private String bucketName;

    /**
     * 文件上傳
     * @param files
     * @return
     */
    @PostMapping("/upload")
    public Object upload(MultipartFile[] files){
        List<String> uploadUrl = new ArrayList<>();
        List<String> upload = minioUtils.upload(files);
        for (String s : upload) {
            uploadUrl.add(address+"/"+bucketName+"/"+s);
        }
        return uploadUrl;
    }

    /**
     * 移除圖片
     * @param imgUrlList
     * @return
     */
    @PostMapping("/remove")
    public Object remove(@RequestBody List<String> imgUrlList){
        Iterable<Result<DeleteError>> img = minioUtils.removeObjects("img", imgUrlList);
        return img;
    }

    /**
     * 下載圖片
     * @param fileName
     * @return
     */
    @GetMapping("/download/{fileName}")
    public Object download(@PathVariable("fileName") String fileName){
        ResponseEntity<byte[]> download = minioUtils.download(fileName);
        return download;
    }
}

Linux安裝教程

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