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SpringBoot整合Minio

2024/10/25 13:29:15 来源：https://blog.csdn.net/qq_41712271/article/details/140160168  浏览:  次   关键词：SpringBoot整合Minio

环境版本信息

MinIO VERSION : 2023-07-11T21:29:34Zspring-boot : 3.3.1jdk: 17

1 pom 依赖

<dependency><groupId>io.minio</groupId><artifactId>minio</artifactId><version>8.3.3</version>
</dependency>

2 yml配置

minio:accessKey: adminbucketName: fengjingendpoint: http://127.0.0.1:9000fileSize: 10485760imgSize: 10485760secretKey: admin123separator: /

3 配置类

@Component
@Data
@ConfigurationProperties(prefix = "minio")
public class MinioProperties {/*** 连接地址*/private String endpoint;/*** 桶名称*/private String bucketName;/*** 账号*/private String accessKey;/*** 密码*/private String secretKey;/*** 图片大小*/private Integer imgSize;/*** 文件大小*/private Integer fileSize;/*** 分隔符*/private String separator;}

4 工具类

import io.minio.*;
import io.minio.http.Method;
import io.minio.messages.Bucket;
import io.minio.messages.DeleteObject;
import io.minio.messages.Item;
import jakarta.annotation.PostConstruct;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Optional;@Slf4j
@Component
public class MinIoUtil {@AutowiredMinioProperties minioProperties;private MinioClient minioClient;/*** 初始化minio配置*/@PostConstructpublic void init(){try{if (null == minioClient) {log.info("开始创建 MinioClient...");minioClient = MinioClient.builder().endpoint(minioProperties.getEndpoint()).credentials(minioProperties.getAccessKey(), minioProperties.getSecretKey()).build();createBucket(minioProperties.getBucketName());log.info("创建完毕 MinioClient...");}} catch (Exception e) {log.error("[Minio工具类]>>>> MinIO服务器异常：", e);}}/*** 获取上传文件前缀路径* @return*/public String getBasisUrl() {return minioProperties.getEndpoint() + minioProperties.getSeparator() + minioProperties.getBucketName() + minioProperties.getSeparator();}/******************************  Operate Bucket Start  ******************************//*** 启动SpringBoot容器的时候初始化Bucket* 如果没有Bucket则创建* @throws Exception*/public void createBucket(String bucketName) throws Exception {if (!bucketExists(bucketName)) {minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());//修改桶策略为读写权限String READ_WRITE = "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Effect\":\"Allow\",\"Principal\":{\"AWS\":[\"*\"]},\"Action\":[\"s3:GetBucketLocation\",\"s3:ListBucket\",\"s3:ListBucketMultipartUploads\"],\"Resource\":[\"arn:aws:s3:::" + bucketName + "\"]},{\"Effect\":\"Allow\",\"Principal\":{\"AWS\":[\"*\"]},\"Action\":[\"s3:DeleteObject\",\"s3:GetObject\",\"s3:ListMultipartUploadParts\",\"s3:PutObject\",\"s3:AbortMultipartUpload\"],\"Resource\":[\"arn:aws:s3:::" + bucketName + "/*\"]}]}";minioClient.setBucketPolicy(SetBucketPolicyArgs.builder().bucket(bucketName).config(READ_WRITE).build());}}/***  判断Bucket是否存在，true：存在，false：不存在* @return* @throws Exception*/public boolean bucketExists(String bucketName) throws Exception {return minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());}/*** 获得Bucket的策略* @param bucketName* @return* @throws Exception*/public String getBucketPolicy(String bucketName) throws Exception {return minioClient.getBucketPolicy(GetBucketPolicyArgs.builder().bucket(bucketName).build());}/*** 获得所有Bucket列表* @return* @throws Exception*/public List<Bucket> getAllBuckets() throws Exception {return minioClient.listBuckets();}/*** 根据bucketName获取其相关信息* @param bucketName* @return* @throws Exception*/public Optional<Bucket> getBucket(String bucketName) throws Exception {return getAllBuckets().stream().filter(b -> b.name().equals(bucketName)).findFirst();}/*** 根据bucketName删除Bucket，true：删除成功； false：删除失败，文件或已不存在* @param bucketName* @throws Exception*/public void removeBucket(String bucketName) throws Exception {minioClient.removeBucket(RemoveBucketArgs.builder().bucket(bucketName).build());}/******************************  Operate Bucket End  ******************************//******************************  Operate Files Start  ******************************//*** 判断文件是否存在* @param bucketName 存储桶* @param objectName 文件名* @return*/public boolean isObjectExist(String bucketName, String objectName) {boolean exist = true;try {minioClient.statObject(StatObjectArgs.builder().bucket(bucketName).object(objectName).build());} catch (Exception e) {log.error("[Minio工具类]>>>> 判断文件是否存在, 异常：", e);exist = false;}return exist;}/*** 判断文件夹是否存在* @param bucketName 存储桶* @param objectName 文件夹名称* @return*/public boolean isFolderExist(String bucketName, String objectName) {boolean exist = false;try {Iterable<Result<Item>> results = minioClient.listObjects(ListObjectsArgs.builder().bucket(bucketName).prefix(objectName).recursive(false).build());for (Result<Item> result : results) {Item item = result.get();if (item.isDir() && objectName.equals(item.objectName())) {exist = true;}}} catch (Exception e) {log.error("[Minio工具类]>>>> 判断文件夹是否存在，异常：", e);exist = false;}return exist;}/*** 根据文件前置查询文件* @param bucketName 存储桶* @param prefix 前缀* @param recursive 是否使用递归查询* @return MinioItem 列表* @throws Exception*/public List<Item> getAllObjectsByPrefix(String bucketName,String prefix,boolean recursive) throws Exception {List<Item> list = new ArrayList<>();Iterable<Result<Item>> objectsIterator = minioClient.listObjects(ListObjectsArgs.builder().bucket(bucketName).prefix(prefix).recursive(recursive).build());if (objectsIterator != null) {for (Result<Item> o : objectsIterator) {Item item = o.get();list.add(item);}}return list;}/*** 获取文件流* @param bucketName 存储桶* @param objectName 文件名* @return 二进制流*/public InputStream getObject(String bucketName, String objectName) throws Exception {return minioClient.getObject(GetObjectArgs.builder().bucket(bucketName).object(objectName).build());}/*** 断点下载* @param bucketName 存储桶* @param objectName 文件名称* @param offset 起始字节的位置* @param length 要读取的长度* @return 二进制流*/public InputStream getObject(String bucketName, String objectName, long offset, long length)throws Exception {return minioClient.getObject(GetObjectArgs.builder().bucket(bucketName).object(objectName).offset(offset).length(length).build());}/*** 获取路径下文件列表* @param bucketName 存储桶* @param prefix 文件名称* @param recursive 是否递归查找，false：模拟文件夹结构查找* @return 二进制流*/public Iterable<Result<Item>> listObjects(String bucketName, String prefix,boolean recursive) {return minioClient.listObjects(ListObjectsArgs.builder().bucket(bucketName).prefix(prefix).recursive(recursive).build());}/*** 使用MultipartFile进行文件上传* @param bucketName 存储桶* @param file 文件名* @param objectName 对象名* @param contentType 类型* @return* @throws Exception*/public ObjectWriteResponse uploadFile(String bucketName, MultipartFile file,String objectName, String contentType) throws Exception {InputStream inputStream = file.getInputStream();return minioClient.putObject(PutObjectArgs.builder().bucket(bucketName).object(objectName).contentType(contentType).stream(inputStream, inputStream.available(), -1).build());}/*** 上传本地文件* @param bucketName 存储桶* @param objectName 对象名称（落盘名称 需要加后缀 如：xx.jpg）* @param fileName 本地文件路径*/public ObjectWriteResponse uploadFile(String bucketName, String objectName,String fileName) throws Exception {return minioClient.uploadObject(UploadObjectArgs.builder().bucket(bucketName).object(objectName).filename(fileName).build());}/*** 通过流上传文件** @param bucketName 存储桶* @param objectName 文件对象* @param inputStream 文件流*/public ObjectWriteResponse uploadFile(String bucketName, String objectName, InputStream inputStream) throws Exception {return minioClient.putObject(PutObjectArgs.builder().bucket(bucketName).object(objectName).stream(inputStream, inputStream.available(), -1).build());}/*** 创建文件夹或目录* @param bucketName 存储桶* @param objectName 目录路径*/public ObjectWriteResponse createDir(String bucketName, String objectName) throws Exception {return minioClient.putObject(PutObjectArgs.builder().bucket(bucketName).object(objectName).stream(new ByteArrayInputStream(new byte[]{}), 0, -1).build());}/*** 获取文件信息, 如果抛出异常则说明文件不存在** @param bucketName 存储桶* @param objectName 文件名称*/public String getFileStatusInfo(String bucketName, String objectName) throws Exception {return minioClient.statObject(StatObjectArgs.builder().bucket(bucketName).object(objectName).build()).toString();}/*** 拷贝文件** @param bucketName 存储桶* @param objectName 文件名* @param srcBucketName 目标存储桶* @param srcObjectName 目标文件名*/public ObjectWriteResponse copyFile(String bucketName, String objectName,String srcBucketName, String srcObjectName) throws Exception {return minioClient.copyObject(CopyObjectArgs.builder().source(CopySource.builder().bucket(bucketName).object(objectName).build()).bucket(srcBucketName).object(srcObjectName).build());}/*** 删除文件* @param bucketName 存储桶* @param objectName 文件名称*/public void removeFile(String bucketName, String objectName) throws Exception {minioClient.removeObject(RemoveObjectArgs.builder().bucket(bucketName).object(objectName).build());}/*** 批量删除文件* @param bucketName 存储桶* @param keys 需要删除的文件列表* @return*/public void removeFiles(String bucketName, List<String> keys) {List<DeleteObject> objects = new LinkedList<>();keys.forEach(s -> {objects.add(new DeleteObject(s));try {removeFile(bucketName, s);} catch (Exception e) {log.error("[Minio工具类]>>>> 批量删除文件，异常：", e);}});}/*** 获取文件外链* @param bucketName 存储桶* @param objectName 文件名* @param expires 过期时间 <=7 秒 （外链有效时间（单位：秒））* @return url* @throws Exception*/public String getPresignedObjectUrl(String bucketName, String objectName, Integer expires) throws Exception {GetPresignedObjectUrlArgs args = GetPresignedObjectUrlArgs.builder().expiry(expires).bucket(bucketName).object(objectName).build();return minioClient.getPresignedObjectUrl(args);}/*** 获得文件外链* @param bucketName* @param objectName* @return url* @throws Exception*/public String getPresignedObjectUrl(String bucketName, String objectName) throws Exception {GetPresignedObjectUrlArgs args = GetPresignedObjectUrlArgs.builder().bucket(bucketName).object(objectName).method(Method.GET).build();return minioClient.getPresignedObjectUrl(args);}/*** 将URLDecoder编码转成UTF8* @param str* @return* @throws UnsupportedEncodingException*/public String getUtf8ByURLDecoder(String str) throws UnsupportedEncodingException {String url = str.replaceAll("%(?![0-9a-fA-F]{2})", "%25");return URLDecoder.decode(url, "UTF-8");}/******************************  Operate Files End  ******************************/}

5  调用，测试

import io.minio.ObjectWriteResponse;
import io.minio.messages.Bucket;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import java.util.List;
import java.util.stream.Collectors;@RestController
@RequestMapping("/minio")
@Slf4j
public class MinioController {@Autowiredprivate MinIoUtil minioUtil;@Autowiredprivate MinioProperties minioProperties;/*** 创建存储桶* @param bucketName* @return*/@GetMapping("/createBucket")public String createBucket(@RequestParam String bucketName) {try {minioUtil.createBucket(bucketName);return "存储桶 '" + bucketName + "' 创建成功。";} catch (Exception e) {log.error("创建存储桶失败：{}", e.getMessage());return "创建存储桶失败：" + e.getMessage();}}/*** 检查存储桶是否存在* @param bucketName* @return*/@GetMapping("/bucketExists")public String bucketExists(@RequestParam String bucketName) {try {boolean exists = minioUtil.bucketExists(bucketName);if (exists) {return "存储桶 '" + bucketName + "' 存在。";} else {return "存储桶 '" + bucketName + "' 不存在。";}} catch (Exception e) {log.error("检查存储桶是否存在失败：{}", e.getMessage());return "检查存储桶是否存在失败：" + e.getMessage();}}/*** 获取所有存储桶列表* @return*/@GetMapping("/getAllBuckets")public List<String> getAllBuckets() {try {List<Bucket> buckets = minioUtil.getAllBuckets();return buckets.stream().map(Bucket::name).collect(Collectors.toList());} catch (Exception e) {log.error("获取所有存储桶列表失败：{}", e.getMessage());return null;}}/*** 删除存储桶* @param bucketName* @return*/@DeleteMapping("/removeBucket")public String removeBucket(@RequestParam String bucketName) {try {minioUtil.removeBucket(bucketName);return "存储桶 '" + bucketName + "' 删除成功。";} catch (Exception e) {log.error("删除存储桶失败：{}", e.getMessage());return "删除存储桶失败：" + e.getMessage();}}/*** 文件上传* @param multipartFile* @return*/@PostMapping("/upload")public String uploadFile(@RequestParam("file") MultipartFile multipartFile) {try {String bucketName = minioProperties.getBucketName();String fileName = multipartFile.getOriginalFilename();minioUtil.uploadFile(bucketName, multipartFile, fileName, "multipart/form-data");String url = minioUtil.getBasisUrl() + fileName;log.info("文件 '{}' 上传成功，URL: {}", fileName, url);return "文件 '" + fileName + "' 上传成功，URL: " + url;} catch (Exception e) {log.error("文件上传失败：{}", e.getMessage());return "文件上传失败：" + e.getMessage();}}/*** 检查文件是否存在* @param bucketName* @param objectName* @return*/@GetMapping("/isObjectExist")public String isObjectExist(@RequestParam String bucketName, @RequestParam String objectName) {boolean exists = false;try {exists = minioUtil.isObjectExist(bucketName, objectName);if (exists) {return "对象 '" + objectName + "' 在存储桶 '" + bucketName + "' 中存在。";} else {return "对象 '" + objectName + "' 在存储桶 '" + bucketName + "' 中不存在。";}} catch (Exception e) {log.error("检查文件是否存在失败：{}", e.getMessage());return "检查文件是否存在失败：" + e.getMessage();}}/*** 创建文件夹或目录* @param bucketName* @param objectName* @return*/@PostMapping("/createDir")public String createDir(@RequestParam String bucketName, @RequestParam String objectName) {try {ObjectWriteResponse response = minioUtil.createDir(bucketName, objectName);log.info("目录 '{}' 在存储桶 '{}' 中创建成功。", objectName, bucketName);return "目录 '" + objectName + "' 在存储桶 '" + bucketName + "' 中创建成功。";} catch (Exception e) {log.error("创建目录失败：{}", e.getMessage());return "创建目录失败：" + e.getMessage();}}/*** 删除文件* @param bucketName* @param objectName* @return*/@DeleteMapping("/removeFile")public String removeFile(@RequestParam String bucketName, @RequestParam String objectName) {try {minioUtil.removeFile(bucketName, objectName);log.info("文件 '{}' 在存储桶 '{}' 中删除成功。", objectName, bucketName);return "文件 '" + objectName + "' 在存储桶 '" + bucketName + "' 中删除成功。";} catch (Exception e) {log.error("删除文件失败：{}", e.getMessage());return "删除文件失败：" + e.getMessage();}}/*** 获取文件外链* @param bucketName* @param objectName* @return*/@GetMapping("/getPresignedObjectUrl")public String getPresignedObjectUrl(@RequestParam String bucketName, @RequestParam String objectName) {try {String url = minioUtil.getPresignedObjectUrl(bucketName, objectName);log.info("文件 '{}' 在存储桶 '{}' 的外链为：{}", objectName, bucketName, url);return "文件 '" + objectName + "' 在存储桶 '" + bucketName + "' 的外链为：" + url;} catch (Exception e) {log.error("获取文件外链失败：{}", e.getMessage());return "获取文件外链失败：" + e.getMessage();}}}

参考博文
https://www.cnblogs.com/zhangruifeng/p/16350067.html

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