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官方文档：Kubernetes 的 MinIO 对象存储 — MinIO Object Storage for Kubernetes

一、简介

        Minio 是一个基于Apache License v2.0开源协议的对象存储服务。它兼容亚马逊S3云存储服务接口，非常适合于存储大容量非结构化的数据，例如图片、视频、日志文件、备份数据和容器/虚拟机镜像等，而一个对象文件可以是任意大小，从几kb到最大5T不等。Minio是一个非常轻量的服务,可以很简单的和其他应用的结合，类似 NodeJS, Redis 或者 MySQL。

二、引入依赖

<!-- MinIO -->
<dependency><groupId>io.minio</groupId><artifactId>minio</artifactId><version>8.2.2</version>
</dependency>
<!-- Hutool -->
<dependency><groupId>cn.hutool</groupId><artifactId>hutool-all</artifactId><version>5.8.18</version>
</dependency>

Tips：MinIO依赖冲突问题 SpringBoot集成MinIO依赖冲突问题_Fly_Camel_Yu的博客-CSDN博客场景一： 使用minio8.3.0版本的依赖，报下列异常：An attempt was made to call a method that does not exist. The attempt was made from the following location: io.minio.S3Base.(S3Base.java:105)The following method did not exist: okhttp3.Requ...https://blog.csdn.net/qq_39974348/article/details/121742672

三、MinIO配置类

import io.minio.MinioClient;
import lombok.SneakyThrows;
import org.atm.dc.app.oss.props.MinioProperties;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;import javax.annotation.Resource;/*** Minio配置类** @author meng*/
@Configuration
@EnableConfigurationProperties(MinioProperties.class)
@ConditionalOnProperty(value = "oss.name", havingValue = "minio")
public class MinioConfiguration {@Resourceprivate MinioProperties ossProperties;@Bean@SneakyThrowspublic MinioClient minioClient() {return MinioClient.builder().endpoint(ossProperties.getEndpoint()).credentials(ossProperties.getAccessKey(), ossProperties.getSecretKey()).build();}}

四、MinIO参数配置类

import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;import java.util.List;/*** Minio参数配置类** @author meng*/
@Data
@ConfigurationProperties(prefix = MinioProperties.PREFIX)
public class MinioProperties {/*** 配置前缀*/public static final String PREFIX = "oss";/*** 对象存储名称*/private String name;/*** 对象存储服务的URL*/private String endpoint;/*** Access key 账户ID*/private String accessKey;/*** Secret key 密码*/private String secretKey;/*** 默认的存储桶名称*/private String bucketName = "meng";/*** 可上传的文件后缀名*/private List<String> fileExt;}

五、参数封装

import lombok.Data;
import java.util.Date;/*** OssFile** @author meng*/
@Data
public class OssFile {/*** 文件地址*/private String filePath;/*** 域名地址*/private String domain;/*** 文件名*/private String name;/*** 原始文件名*/private String originalName;/*** 文件hash值*/public String hash;/*** 文件大小*/private long size;/*** 文件上传时间*/private Date putTime;/*** 文件contentType*/private String contentType;
}

六、MinIO相关方法

import org.atm.dc.app.oss.model.OssFile;
import org.springframework.web.multipart.MultipartFile;import javax.servlet.http.HttpServletResponse;
import java.io.InputStream;
import java.util.List;/*** OssTemplate抽象API** @author meng*/
public interface OssTemplate {/*** 存储桶是否存在** @param bucketName 存储桶名称* @return boolean*/boolean bucketExists(String bucketName);/*** 获取文件信息** @param fileName 存储桶文件名称* @return InputStream*/OssFile getOssInfo(String fileName);/*** 上传文件** @param folderName 上传的文件夹名称* @param fileName   上传文件名* @param file       上传文件类* @return BladeFile*/OssFile upLoadFile(String folderName, String fileName, MultipartFile file);/*** 上传文件** @param folderName 上传的文件夹名称* @param fileName   存储桶对象名称* @param suffix     文件后缀名* @param stream     文件流* @return BladeFile*/OssFile upLoadFile(String folderName, String fileName, String suffix, InputStream stream);/*** 删除文件** @param fileName 存储桶对象名称*/boolean removeFile(String fileName);/*** 批量删除文件** @param fileNames 存储桶对象名称集合*/boolean removeFiles(List<String> fileNames);/*** @Description: 下载文件* @Param response: 响应* @Param fileName: 文件名* @Param filePath: 文件路径* @return: void*/void downloadFile(HttpServletResponse response, String fileName, String filePath);
}

MinIOTemplate：

import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.text.StrPool;
import cn.hutool.core.util.ObjectUtil;
import io.minio.*;
import io.minio.http.Method;
import io.minio.messages.DeleteObject;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.atm.dc.app.common.Constants;
import org.atm.dc.app.oss.model.OssFile;
import org.atm.dc.app.oss.props.MinioProperties;
import org.atm.dc.app.oss.template.OssTemplate;
import org.atm.dc.app.util.FileInfoUtil;
import org.atm.dc.exception.BaseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.io.InputStream;
import java.net.URLEncoder;
import java.util.List;
import java.util.stream.Stream;/*** MinIOTemplate** @author meng*/
@Slf4j
@Service
public class MinioTemplate implements OssTemplate {private Logger logger = LoggerFactory.getLogger(this.getClass());/*** MinIO客户端*/@Resourceprivate MinioClient client;/*** 配置类*/@Resourceprivate MinioProperties ossProperties;/*** 格式化时间*/private static final String DATE_FORMAT = "yyyyMMdd";/*** 字符集*/private static final String ENCODING = "UTF-8";/*** 存储桶是否存在** @param bucketName 存储桶名称* @return boolean*/@Overridepublic boolean bucketExists(String bucketName) {try {return client.bucketExists(BucketExistsArgs.builder().bucket(getBucketName(bucketName)).build());} catch (Exception e) {logger.error("minio bucketExists Exception:{}", e);}return false;}/*** @Description: 创建 存储桶* @Param bucketName: 存储桶名称* @return: void* @Author: wmh* @Date: 2023/8/2 11:28*/public void makeBucket(String bucketName) {try {if (!client.bucketExists(BucketExistsArgs.builder().bucket(getBucketName(bucketName)).build())) {client.makeBucket(MakeBucketArgs.builder().bucket(getBucketName(bucketName)).build());logger.info("minio makeBucket success bucketName:{}", bucketName);}} catch (Exception e) {logger.error("minio makeBucket Exception:{}", e);}}/*** 获取文件信息** @param fileName 存储桶文件名称* @return InputStream*/@Overridepublic OssFile getOssInfo(String fileName) {try {StatObjectResponse stat = client.statObject(StatObjectArgs.builder().bucket(getBucketName(ossProperties.getBucketName())).object(fileName).build());OssFile ossFile = new OssFile();ossFile.setName(ObjectUtil.isEmpty(stat.object()) ? fileName : stat.object());ossFile.setFilePath(ossFile.getName());ossFile.setDomain(getOssHost(ossProperties.getBucketName()));ossFile.setHash(String.valueOf(stat.hashCode()));ossFile.setSize(stat.size());ossFile.setPutTime(DateUtil.date(stat.lastModified().toLocalDateTime()));ossFile.setContentType(stat.contentType());return ossFile;} catch (Exception e) {logger.error("minio getOssInfo Exception:{}", e);}return null;}/*** 上传文件** @param folderName 上传的文件夹名称* @param fileName   上传文件名* @param file       上传文件类* @return BladeFile*/@Override@SneakyThrowspublic OssFile upLoadFile(String folderName, String fileName, MultipartFile file) {if (file == null || file.isEmpty()) {throw new BaseException("400", Constants.FILE_EMPTY);}// 文件大小if (file.getSize() > 5 * 1024 * 1024) {throw new BaseException("400", "文件大小不能超过5M");}String suffix = FileInfoUtil.getFileExtension(file.getOriginalFilename());// 文件后缀判断if (!CollUtil.contains(ossProperties.getFileExt(), suffix)) {String error = String.format("文件类型错误,目前支持[%s]等文件类型",String.join(",", ossProperties.getFileExt()));throw new BaseException("400", error);}try {return upLoadFile(folderName, fileName, suffix, file.getInputStream());} catch (Exception e) {logger.error("minio upLoadFile Exception:{}", e);throw new BaseException("400", "文件上传失败,请重新上传或联系管理员");}}/*** 上传文件** @param folderName 上传的文件夹名称* @param fileName   存储桶对象名称* @param suffix     文件后缀名* @param stream     文件流* @return BladeFile*/@Overridepublic OssFile upLoadFile(String folderName, String fileName, String suffix, InputStream stream) {try {return upLoadFile(ossProperties.getBucketName(), folderName, fileName, suffix, stream,"application/octet" + "-stream");} catch (Exception e) {logger.error("minio upLoadFile Exception:{}", e);}return null;}/*** @Description: 上传文件* @Param bucketName: 存储桶名称* @Param folderName: 上传的文件夹名称* @Param fileName: 上传文件名* @Param suffix: 文件后缀名* @Param stream: 文件流* @Param contentType: 文件类型* @Author: wmh* @Date: 2023/8/1 19:59*/@SneakyThrowspublic OssFile upLoadFile(String bucketName, String folderName, String fileName, String suffix, InputStream stream,String contentType) {if (!bucketExists(bucketName)) {logger.info("minio bucketName is not creat");makeBucket(bucketName);}OssFile file = new OssFile();String originalName = fileName;String filePath = getFilePath(folderName, fileName, suffix);client.putObject(PutObjectArgs.builder().bucket(getBucketName(bucketName)).object(filePath).stream(stream, stream.available(), -1).contentType(contentType).build());file.setOriginalName(originalName);file.setName(filePath);file.setDomain(getOssHost(bucketName));file.setFilePath(filePath);stream.close();logger.info("minio upLoadFile success, filePath:{}", filePath);return file;}/*** 删除文件** @param fileName 存储桶对象名称*/@Overridepublic boolean removeFile(String fileName) {try {client.removeObject(RemoveObjectArgs.builder().bucket(getBucketName(ossProperties.getBucketName())).object(fileName).build());logger.info("minio removeFile success, fileName:{}", fileName);return true;} catch (Exception e) {logger.error("minio removeFile fail, fileName:{}, Exception:{}", fileName, e);}return false;}/*** 批量删除文件** @param fileNames 存储桶对象名称集合*/@Overridepublic boolean removeFiles(List<String> fileNames) {try {Stream<DeleteObject> stream = fileNames.stream().map(DeleteObject::new);client.removeObjects(RemoveObjectsArgs.builder().bucket(getBucketName(ossProperties.getBucketName())).objects(stream::iterator).build());logger.info("minio removeFiles success, fileNames:{}", fileNames);return true;} catch (Exception e) {logger.error("minio removeFiles fail, fileNames:{}, Exception:{}", fileNames, e);}return false;}/*** @Description: 下载文件* @Param response: 响应* @Param fileName: 文件名* @Param filePath: 文件路径* @return: void* @Author: wmh* @Date: 2023/8/2 14:08*/@Overridepublic void downloadFile(HttpServletResponse response, String fileName, String filePath) {GetObjectResponse is = null;try {GetObjectArgs getObjectArgs =GetObjectArgs.builder().bucket(ossProperties.getBucketName()).object(filePath).build();is = client.getObject(getObjectArgs);// 设置文件ContentType类型，这样设置，会自动判断下载文件类型response.setContentType("application/x-msdownload");response.setCharacterEncoding(ENCODING);// 设置文件头：最后一个参数是设置下载的文件名并编码为UTF-8response.setHeader("Content-Disposition", "attachment;fileName=" + URLEncoder.encode(fileName, ENCODING));IoUtil.copy(is, response.getOutputStream());logger.info("minio downloadFile success, filePath:{}", filePath);} catch (Exception e) {logger.error("minio downloadFile Exception:{}", e);} finally {IoUtil.close(is);}}/*** 获取文件外链** @param bucketName bucket名称* @param fileName   文件名称* @param expires    过期时间* @return url*/public String getPresignedObjectUrl(String bucketName, String fileName, Integer expires) {String link = "";try {link = client.getPresignedObjectUrl(GetPresignedObjectUrlArgs.builder().method(Method.GET).bucket(getBucketName(bucketName)).object(fileName).expiry(expires).build());} catch (Exception e) {logger.error("minio getPresignedObjectUrl is fail, fileName:{}", fileName);}return link;}/*** 根据规则生成存储桶名称规则** @param bucketName 存储桶名称* @return String*/private String getBucketName(String bucketName) {return bucketName;}/*** 根据规则生成文件路径** @param folderName       上传的文件夹名称* @param originalFilename 原始文件名* @param suffix           文件后缀名* @return string 上传的文件夹名称/yyyyMMdd/原始文件名_时间戳.文件后缀名*/private String getFilePath(String folderName, String originalFilename, String suffix) {return StrPool.SLASH + String.join(StrPool.SLASH, folderName, DateUtil.date().toString(DATE_FORMAT),originalFilename) + StrPool.C_UNDERLINE + DateUtil.current() + StrPool.DOT + suffix;}/*** 获取域名** @param bucketName 存储桶名称* @return String*/public String getOssHost(String bucketName) {return ossProperties.getEndpoint() + StrPool.SLASH + getBucketName(bucketName);}}