介绍

  CSDN里面找资料真的是垃圾堆里刨食吃。优质作者和内容非常少，最近还出现了评论下方打广告的，粉丝上w，文章内容质量主打一个抄袭，乱写。真的难评价。
  我为什么写这个？是因为我看了下搜到文章，内容掐头去尾，主打一个说了好像又没说。

安装方式

  最新Minioan安装

代码

   直接copy可使用。也可联系我Q:1101165230

pom

	<dependency><groupId>io.minio</groupId><artifactId>minio</artifactId><version>8.4.6</version></dependency>

yml

minio:endpoint: http://192.168.20.18:9000 #访问地址username: guoshun #用户名password: guoshun123... #密码bucket: project.apply  #存储文件夹名称

config

import io.minio.MinioClient;
import lombok.extern.log4j.Log4j2;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;/*** @version 1.0.0* @description minioConfig* @date 2024/4/4 10:44* @created by Guoshun*/
@Log4j2
@Configuration
public class MinioConfig {@Value("${minio.endpoint}")private String endPoint;@Value("${minio.username}")private String username;@Value("${minio.password}")private String password;@Beanpublic MinioClient minioClient() {MinioClient minioClient = MinioClient.builder().endpoint(endPoint).credentials(username, password).build();log.info("minioClient initialized.");return minioClient;}}

MinioService

	
import io.minio.*;
import io.minio.errors.*;
import io.minio.http.Method;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.concurrent.TimeUnit;/*** @version 1.0.0* @description minio启动时创建bucket* @date 2024/4/4 14:00* @created by Guoshun*/
@Slf4j
@Component
public class MinioService {@Resourceprivate MinioClient minioClient;@Value("${minio.bucket}")private String bucketName;/*** 创建bucket* @return Boolean true成功 false 失败*/@PostConstructpublic Boolean createBucket(){BucketExistsArgs bucketExistsArgs = BucketExistsArgs.builder().bucket(bucketName).build();try {boolean existsFlag = minioClient.bucketExists(bucketExistsArgs);if(!existsFlag){MakeBucketArgs makeBucketArgs = MakeBucketArgs.builder().bucket(bucketName).build();minioClient.makeBucket(makeBucketArgs);}}catch (Exception e){e.printStackTrace();log.error("Minio的bucket初始化失败{}", bucketName);return false;}return true;}/*** 文件上传* @param inputStream* @param contentType* @param fileName* @return*/public Boolean put(InputStream inputStream, String contentType, String fileName) throws IOException {try {PutObjectArgs stream = PutObjectArgs.builder().object(fileName).bucket(bucketName).contentType(contentType).stream(inputStream, inputStream.available(), -1).build();minioClient.putObject(stream);return true;}catch (Exception e){log.error("文件上传失败，文件{}", fileName);throw new RuntimeException(e.getMessage());}finally {if(inputStream != null){inputStream.close();}}}/*** 获取文件的url地址* 支持版本管理后续增加** @param fileName*/public String getDownloadUrl(String fileName) {GetPresignedObjectUrlArgs presignedObjectUrlArgs = GetPresignedObjectUrlArgs.builder().bucket(bucketName).object(fileName).method(Method.GET).expiry(1, TimeUnit.HOURS).build();try {String downloadUrl = minioClient.getPresignedObjectUrl(presignedObjectUrlArgs);return downloadUrl;} catch (ServerException |InsufficientDataException | ErrorResponseException |IOException | NoSuchAlgorithmException | InvalidKeyException | InvalidResponseException | XmlParserException | InternalException e) {log.error("文件下载失败{}", fileName);throw new RuntimeException(e.getMessage());}}/*** 获取文件流* 后续支持写入抬头** @param fileName*/public ByteArrayOutputStream getDownloadFile(String fileName) throws IOException {GetObjectArgs getObjectArgs = GetObjectArgs.builder().object(fileName).bucket(bucketName).build();byte[] buf = new byte[1024];ByteArrayOutputStream outputStream = new ByteArrayOutputStream(1024);try {GetObjectResponse downloadUrl = minioClient.getObject(getObjectArgs);int length = 0;while ((length = downloadUrl.read(buf)) > 0) {outputStream.write(buf, 0, length);}return outputStream;} catch (ServerException |InsufficientDataException | ErrorResponseException |IOException | NoSuchAlgorithmException | InvalidKeyException | InvalidResponseException | XmlParserException | InternalException e) {log.error("文件下载失败{}", fileName);throw new RuntimeException(e.getMessage());} finally {outputStream.close();}}/*** 文件删除** @param key*/public boolean deleteFile(String key) {RemoveObjectArgs removeObjectArgs = RemoveObjectArgs.builder().bucket(bucketName).object(key).build();try {minioClient.removeObject(removeObjectArgs);} catch (ServerException |InsufficientDataException | ErrorResponseException |IOException | NoSuchAlgorithmException | InvalidKeyException | InvalidResponseException | XmlParserException | InternalException e){log.error("文件删除失败{}", key);throw new RuntimeException(e.getMessage());}return true;}}

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