【Spring Cloud Alibaba】13.自建存储对象服务与集成(minio版)

import io.minio.MinioClient;
import io.minio.errors.MinioException;
import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
 
public class MinioUtil {
 
    private static String MINIO_ACCESS_KEY = "你的MinIO访问密钥";
    private static String MINIO_SECRET_KEY = "你的MinIO密钥";
    private static String MINIO_URL = "你的MinIO服务器地址";
 
    private MinioClient minioClient;
 
    public MinioUtil() throws InvalidKeyException, IOException, NoSuchAlgorithmException, MinioException {
        minioClient = new MinioClient(MINIO_URL, MINIO_ACCESS_KEY, MINIO_SECRET_KEY);
    }
 
    // 检查存储桶是否存在
    public boolean bucketExists(String bucketName) throws IOException, NoSuchAlgorithmException, InvalidKeyException, MinioException {
        boolean isExist = minioClient.bucketExists(bucketName);
        return isExist;
    }
 
    // 创建存储桶
    public boolean makeBucket(String bucketName) throws IOException, NoSuchAlgorithmException, InvalidKeyException, MinioException {
        boolean isExist = minioClient.bucketExists(bucketName);
        if(isExist) {
            throw new RuntimeException("Bucket already exists");
        }
        minioClient.makeBucket(bucketName);
        return true;
    }
 
    // 列出所有存储桶
    public List<Bucket> listBuckets() throws IOException, NoSuchAlgorithmException, InvalidKeyException, MinioException {
        List<Bucket> buckets = minioClient.listBuckets();
        return buckets;
    }
 
    // 列出存储桶中的对象
    public Iterable<Result<Item>> listObjects(String bucketName) throws IOException, NoSuchAlgorithmException, InvalidKeyException, MinioException {
        Iterable<Result<Item>> items = minioClient.listObjects(bucketName);
        return items;
    }
 
    // 上传对象
    public void uploadObject(String bucketName, String objectName, String filePath) throws IOException, NoSuchAlgorithmException, InvalidKeyException, MinioException {
        minioClient.putObject(bucketName, objectName, filePath);
    }
 
    // 下载对象
    public void downloadObject(String bucketName, String objectName, String downloadPath) throws IOException, NoSuchAlgorithmException, InvalidKeyException, MinioException {
        minioClient.getObject(bucketName, objectName, downloadPath);
    }
 
    // 删除对象
    public void removeObject(String bucketName, String objectName) thr