pom文件导入依赖
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><!--继承方式使用SpringBoot--><parent><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-parent</artifactId><version>2.7.4</version></parent><groupId>com.ewx</groupId><artifactId>starinet</artifactId><version>0.0.1-SNAPSHOT</version><dependencies><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter</artifactId></dependency><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-web</artifactId></dependency><!-- mybatis-plus--><dependency><groupId>com.baomidou</groupId><artifactId>mybatis-plus-boot-starter</artifactId><version>3.3.1</version></dependency><!-- 简化POJO实体类开发 --><dependency><groupId>org.projectlombok</groupId><artifactId>lombok</artifactId><optional>true</optional></dependency><!--mysql--><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.47</version></dependency><dependency><groupId>com.baomidou</groupId><artifactId>mybatis-plus-generator</artifactId><version>3.3.1</version></dependency><dependency><groupId>org.freemarker</groupId><artifactId>freemarker</artifactId><version>2.3.31</version></dependency><dependency><groupId>cn.hutool</groupId><artifactId>hutool-core</artifactId><version>5.8.10</version></dependency><dependency><groupId>com.amazonaws</groupId><artifactId>aws-java-sdk-s3</artifactId><version>1.11.543</version></dependency><dependency><groupId>io.minio</groupId><artifactId>minio</artifactId><version>8.5.7</version></dependency><!--开发者工具--><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-devtools</artifactId><optional>true</optional></dependency><dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.83</version></dependency><dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.2.9</version></dependency><dependency><groupId>commons-fileupload</groupId><artifactId>commons-fileupload</artifactId><version>1.4</version></dependency><dependency><groupId>org.graylog2</groupId><artifactId>syslog4j</artifactId><version>0.9.61</version></dependency><dependency><groupId>io.swagger.core.v3</groupId><artifactId>swagger-annotations</artifactId><version>2.2.0</version></dependency></dependencies><build><plugins><!--spring boot maven插件 , 可以将项目运行依赖的jar包打到我们的项目中--><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins></build></project>
配置minio配置文件
minio:endpoint: http://127.0.0.1:9000 #Minio服务所在地址bucketName: starinet #存储桶名称accessKey: #访问的keysecretKey: #访问的秘钥创建配置类MinioConfig
package com.springboot.minio.config;import io.minio.MinioClient;
import lombok.Data;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;@Data
@Configuration
public class MinioConfig {/*** 访问地址*/@Value("${minio.endpoint}")private String endpoint;/*** accessKey类似于用户ID，用于唯一标识你的账户*/@Value("${minio.accessKey}")private String accessKey;/*** secretKey是你账户的密码*/@Value("${minio.secretKey}")private String secretKey;/*** 默认存储桶*/@Value("${minio.bucketName}")private String bucketName ;@Beanpublic MinioClient minioClient(){MinioClient minioClient = MinioClient.builder().endpoint(endpoint).credentials(accessKey, secretKey).build();return minioClient;}
}创建Minio工具类MinioUtils
package com.springboot.minio.utils;import io.minio.*;
import io.minio.http.Method;
import io.minio.messages.Bucket;
import io.minio.messages.DeleteObject;
import io.minio.messages.Item;
import lombok.RequiredArgsConstructor;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
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;/*** MinIO工具类*/
@Slf4j
@Component
@RequiredArgsConstructor
public class MinioUtils {private final MinioClient minioClient;/****************************** Operate Bucket Start ******************************//*** 启动SpringBoot容器的时候初始化Bucket* 如果没有Bucket则创建** @param bucketName*/@SneakyThrows(Exception.class)private void createBucket(String bucketName) {if (!bucketExists(bucketName)) {minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());}}/*** 判断Bucket是否存在，true：存在，false：不存在** @param bucketName* @return*/@SneakyThrows(Exception.class)public boolean bucketExists(String bucketName) {return minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());}/*** 获得Bucket的策略** @param bucketName* @return*/@SneakyThrows(Exception.class)public String getBucketPolicy(String bucketName) {return minioClient.getBucketPolicy(GetBucketPolicyArgs.builder().bucket(bucketName).build());}/*** 获得所有Bucket列表** @return*/@SneakyThrows(Exception.class)public List<Bucket> getAllBuckets() {return minioClient.listBuckets();}/*** 根据bucketName获取其相关信息** @param bucketName* @return*/@SneakyThrows(Exception.class)public Optional<Bucket> getBucket(String bucketName) {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*/@SneakyThrows(Exception.class)public void removeBucket(String bucketName) {minioClient.removeBucket(RemoveBucketArgs.builder().bucket(bucketName).build());}/****************************** Operate Bucket End ******************************//****************************** Operate Files Start ******************************//*** 判断文件是否存在** @param bucketName* @param objectName* @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* @param objectName* @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*/@SneakyThrows(Exception.class)public List<Item> getAllObjectsByPrefix(String bucketName,String prefix,boolean recursive) {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*/@SneakyThrows(Exception.class)public InputStream getObject(String bucketName, String objectName) {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*/@SneakyThrows(Exception.class)public InputStream getObject(String bucketName, String objectName, long offset, long length) {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*/@SneakyThrows(Exception.class)public ObjectWriteResponse uploadFile(String bucketName, MultipartFile file, String objectName, String contentType) {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* @param fileName 本地文件路径* @return*/@SneakyThrows(Exception.class)public ObjectWriteResponse uploadFile(String bucketName, String objectName, String fileName) {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* @return*/@SneakyThrows(Exception.class)public ObjectWriteResponse uploadFile(String bucketName, String objectName, InputStream inputStream) {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* @return*/@SneakyThrows(Exception.class)public ObjectWriteResponse createDir(String bucketName, String objectName) {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* @return*/@SneakyThrows(Exception.class)public String getFileStatusInfo(String bucketName, String objectName) {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*/@SneakyThrows(Exception.class)public ObjectWriteResponse copyFile(String bucketName, String objectName, String srcBucketName, String srcObjectName) {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*/@SneakyThrows(Exception.class)public void removeFile(String bucketName, String objectName) {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*/@SneakyThrows(Exception.class)public String getPresignedObjectUrl(String bucketName, String objectName, Integer expires) {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*/@SneakyThrows(Exception.class)public String getPresignedObjectUrl(String bucketName, String objectName) {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 ******************************/
}创建测试controller类
package com.springboot.minio.controller;import com.springboot.minio.config.MinioConfig;
import com.springboot.minio.utils.MinioUtils;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.apache.tomcat.util.http.fileupload.IOUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;import javax.servlet.http.HttpServletResponse;
import java.io.InputStream;@Slf4j
@RestController
@RequestMapping("/test")
@AllArgsConstructor
public class TestController {private final MinioUtils minioUtils;private final MinioConfig minioConfig;/*** 文件上传* @param file*/@PostMapping("/upload")public void upload(@RequestParam("file") MultipartFile file) {try {//文件名String fileName = file.getOriginalFilename();String newFileName= System.currentTimeMillis()+"."+ StringUtils.substringAfterLast(fileName,".");//类型String contentType = file.getContentType();minioUtils.uploadFile(minioConfig.getBucketName(), file, newFileName, contentType);}catch (Exception e){log.error("上传失败");}}/*** 删除* @param fileName*/@DeleteMapping("/")public void delete(@RequestParam("fileName") String fileName) {minioUtils.removeFile(minioConfig.getBucketName(), fileName);}/*** 获取文件信息* @param fileName* @return*/@GetMapping("/info")public String getFileStatusInfo(@RequestParam("fileName") String fileName) {return minioUtils.getFileStatusInfo(minioConfig.getBucketName(), fileName);}/*** 获取文件外链* @param fileName* @return*/@GetMapping("/url")public String getPresignedObjectUrl(@RequestParam("fileName") String fileName) {return minioUtils.getPresignedObjectUrl(minioConfig.getBucketName(), fileName);}/*** 文件下载* @param fileName* @param response*/@GetMapping("/download")public void download(@RequestParam("fileName") String fileName, HttpServletResponse response) {try {InputStream fileInputStream = minioUtils.getObject(minioConfig.getBucketName(), fileName);response.setHeader("Content-Disposition", "attachment;filename=" + fileName);response.setContentType("application/force-download");response.setCharacterEncoding("UTF-8");IOUtils.copy(fileInputStream,response.getOutputStream());}catch (Exception e){log.error("下载失败");}}
}启动项目测试
通过postman请求接口测试，然后观看minio后台是否有上传的文件
查看minio出现上传的文件就算成功
