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MinIO 简介
MinIO 是一款高性能、开源、兼容Amazon S3 API的分布式对象存储系统,专为云原生架构和大规模非结构化数据场景设计。其核心定位是成为私有云/混合云环境中的标准存储方案,适用于从数据湖到AI/ML、容器化部署等多样化需求。
背景
为解决业务开时对接 MinIO繁琐接口对工作
目录结构
cdkj-minio MinIO工具
annotation 注解
- EnableAutoMinio 启用自动MinIO
config 配置
- MinioAutoConfiguration MinIO 自动配置
- MinioMarkerConfiguration MinIO 标记配置
- MinioProperties MinIO 配置读取
connectivity 连接库
- MinioConfiguration MinIO 配置
enums 枚举库
MinioUtils MinIO工具库
项目介绍
POM引入包
- <dependencies>
- <!-- MinIO -->
- <dependency>
- <groupId>io.minio</groupId>
- <artifactId>minio</artifactId>
- <exclusions>
- <exclusion>
- <groupId>com.squareup.okhttp3</groupId>
- <artifactId>okhttp</artifactId>
- </exclusion>
- </exclusions>
- </dependency>
- <dependency>
- <groupId>com.squareup.okhttp3</groupId>
- <artifactId>okhttp</artifactId>
- </dependency>
- </dependencies>
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EnableAutoMinio 启用自动MinIO
spring boot 启动加载工具包
- package com.cdkjframework.minio.annotation;
-
- import com.cdkjframework.minio.config.MinioMarkerConfiguration;
- import org.springframework.context.annotation.Import;
-
- import java.lang.annotation.*;
-
- /**
- * @ProjectName: cdkjframework
- * @Package: com.cdkjframework.minio.annotation
- * @ClassName: EnableAutoMinio
- * @Description: java类作用描述
- * @Author: xiaLin
- * @Date: 2024/9/2 11:27
- * @Version: 1.0
- */
- @Target(ElementType.TYPE)
- @Retention(RetentionPolicy.RUNTIME)
- @Documented
- @Import({MinioMarkerConfiguration.class})
- public @interface EnableAutoMinio {
- }
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Spring Boot 项目引入
- package cn.qjwxlcps.ims.annotation;
-
- import com.cdkjframework.cloud.job.core.handler.annotation.EnableAutoCdkjJob;
- import com.cdkjframework.datasource.mongodb.annotation.EnableAutoMongo;
- import com.cdkjframework.minio.annotation.EnableAutoMinio;
- import com.cdkjframework.swagger.annotation.EnableAutoSwagger;
- import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
- import org.springframework.cloud.openfeign.EnableFeignClients;
- import org.springframework.context.annotation.Configuration;
- import org.springframework.retry.annotation.EnableRetry;
- import org.springframework.scheduling.annotation.EnableAsync;
- import org.springframework.transaction.annotation.EnableTransactionManagement;
-
- import java.lang.annotation.ElementType;
- import java.lang.annotation.Retention;
- import java.lang.annotation.RetentionPolicy;
- import java.lang.annotation.Target;
-
- /**
- * @ProjectName: com.lesmarthome.interface
- * @Package: com.lesmarthome.interfaces.annotation
- * @ClassName: EnableAutoApi
- * @Description: java类作用描述
- * @Author: xiaLin
- * @Date: 2024/3/29 16:02
- * @Version: 1.0
- */
- @Target(ElementType.TYPE)
- @Retention(RetentionPolicy.RUNTIME)
- @EnableRetry
- @EnableAsync
- @Configuration
- @EnableAutoMinio
- @EnableAutoMongo
- @EnableAutoCdkjJob
- //@EnableAutoSwagger
- @EnableDiscoveryClient
- @EnableTransactionManagement
- @EnableFeignClients(basePackages = {"com.*.*.client"})
- public @interface EnableAutoApi {
- }
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MinIO 配置读取
该类主要读取用户配置信息
- package com.cdkjframework.minio.config;
-
- import lombok.Data;
- import org.springframework.boot.context.properties.ConfigurationProperties;
- import org.springframework.cloud.context.config.annotation.RefreshScope;
- import org.springframework.context.annotation.Configuration;
-
- /**
- * @ProjectName: cdkjframework
- * @Package: com.cdkjframework.minio.config
- * @ClassName: MinioProperties
- * @Description: mini配置
- * @Author: xiaLin
- * @Date: 2024/9/2 11:28
- * @Version: 1.0
- */
- @Data
- @RefreshScope
- @Configuration
- @ConfigurationProperties(prefix = "spring.minio")
- public class MinioProperties {
-
- /**
- * 访问域名
- */
- private String domain;
-
- /**
- * 存储端点
- */
- private String endpoint;
-
- /**
- * 端口
- */
- private Integer port;
-
- /**
- * 访问密钥
- */
- private String accessKey;
-
- /**
- * 密钥
- */
- private String secretKey;
-
- /**
- * 存储桶名称
- */
- private String bucketName;
-
- /**
- * 分片对象过期时间 单位(天)
- */
- private Integer expiry;
-
- /**
- * 断点续传有效时间,在redis存储任务的时间 单位(天)
- */
- private Integer breakpointTime;
- }
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内容类型枚举
- package com.cdkjframework.minio.enums;
-
- import com.cdkjframework.constant.IntegerConsts;
- import com.cdkjframework.util.tool.StringUtils;
-
- /**
- * @ProjectName: cdkjframework
- * @Package: com.cdkjframework.minio.enums
- * @ClassName: ContentTypeEnums
- * @Description: 内容类型枚举
- * @Author: xiaLin
- * @Date: 2024/9/2 13:30
- * @Version: 1.0
- */
- public enum ContentTypeEnums {
- /**
- * 默认类型
- */
- DEFAULT("default", "application/octet-stream"),
- JPG("jpg", "image/jpeg"),
- TIFF("tiff", "image/tiff"),
- GIF("gif", "image/gif"),
- JFIF("jfif", "image/jpeg"),
- PNG("png", "image/png"),
- TIF("tif", "image/tiff"),
- ICO("ico", "image/x-icon"),
- JPEG("jpeg", "image/jpeg"),
- WBMP("wbmp", "image/vnd.wap.wbmp"),
- FAX("fax", "image/fax"),
- NET("net", "image/pnetvue"),
- JPE("jpe", "image/jpeg"),
- RP("rp", "image/vnd.rn-realpix"),
- MP4("mp4", "video/mp4");
-
- /**
- * 文件名后缀
- */
- private final String suffix;
-
- /**
- * 返回前端请求头中,Content-Type具体的值
- */
- private final String value;
-
- ContentTypeEnums(String suffix, String value) {
- this.suffix = suffix;
- this.value = value;
- }
-
- /**
- * 根据文件后缀,获取Content-Type
- *
- * @param suffix 文件后缀
- * @return 返回结果
- */
- public static String formContentType(String suffix) {
- if (StringUtils.isNullAndSpaceOrEmpty(suffix)) {
- return DEFAULT.getValue();
- }
- int beginIndex = suffix.lastIndexOf(StringUtils.POINT) + IntegerConsts.ONE;
- suffix = suffix.substring(beginIndex);
- for (ContentTypeEnums value : ContentTypeEnums.values()) {
- if (suffix.equalsIgnoreCase(value.getSuffix())) {
- return value.getValue();
- }
- }
- return DEFAULT.getValue();
- }
-
- public String getSuffix() {
- return suffix;
- }
-
- public String getValue() {
- return value;
- }
- }
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MinIO 标记配置
- package com.cdkjframework.minio.config;
-
- import org.springframework.context.annotation.Bean;
- import org.springframework.context.annotation.Configuration;
-
- /**
- * @ProjectName: cdkjframework
- * @Package: com.cdkjframework.minio.config
- * @ClassName: MinioMarkerConfiguration
- * @Description: Minio标记配置
- * @Author: xiaLin
- * @Date: 2024/9/2 11:28
- * @Version: 1.0
- */
- @Configuration(proxyBeanMethods = false)
- public class MinioMarkerConfiguration {
- @Bean
- public Marker mybatisMarker() {
- return new Marker();
- }
-
- public static class Marker {
-
- }
- }
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MinIO 自动配置
注入 Bean 之前需要先加载配置 MinioProperties,且基于Bean的条件 MinioMarkerConfiguration.Marker 完成。开始调用 MinioConfiguration 中的start Bean方法。
- package com.cdkjframework.minio.config;
-
- import com.cdkjframework.minio.connectivity.MinioConfiguration;
- import lombok.RequiredArgsConstructor;
- import org.springframework.boot.autoconfigure.AutoConfigureAfter;
- import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
- import org.springframework.boot.autoconfigure.web.reactive.function.client.WebClientAutoConfiguration;
- import org.springframework.boot.context.properties.EnableConfigurationProperties;
- import org.springframework.cloud.context.config.annotation.RefreshScope;
- import org.springframework.context.annotation.Bean;
- import org.springframework.context.annotation.Configuration;
- import org.springframework.context.annotation.Lazy;
-
- /**
- * @ProjectName: cdkjframework
- * @Package: com.cdkjframework.minio.config
- * @ClassName: MinioAutoConfiguration
- * @Description: Minio自动配置
- * @Author: xiaLin
- * @Date: 2024/9/2 11:29
- * @Version: 1.0
- */
- @Lazy(false)
- @RequiredArgsConstructor
- @Configuration(proxyBeanMethods = false)
- @EnableConfigurationProperties({
- MinioProperties.class
- })
- @AutoConfigureAfter({WebClientAutoConfiguration.class})
- @ConditionalOnBean(MinioMarkerConfiguration.Marker.class)
- public class MinioAutoConfiguration {
-
- /**
- * 配置信息
- */
- private final MinioProperties minioProperties;
-
- /**
- * minio配置
- *
- * @return 返回配置信息
- */
- @Bean(initMethod = "start")
- public MinioConfiguration minioConfiguration() {
- return new MinioConfiguration(minioProperties);
- }
- }
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MinIO 配置
- package com.cdkjframework.minio.connectivity;
-
- import com.cdkjframework.minio.MinioUtils;
- import com.cdkjframework.minio.config.MinioProperties;
- import io.minio.MinioClient;
- import org.springframework.context.annotation.Bean;
-
- /**
- * @ProjectName: cdkjframework
- * @Package: com.cdkjframework.minio.connectivity
- * @ClassName: MinioConfiguration
- * @Description: minio配置
- * @Author: xiaLin
- * @Date: 2024/9/2 11:30
- * @Version: 1.0
- */
- public class MinioConfiguration {
-
- /**
- * 配置信息
- */
- private final MinioProperties minioProperties;
-
- /**
- * 构建函数
- */
- public MinioConfiguration(MinioProperties minioProperties) {
- this.minioProperties = minioProperties;
- }
-
- /**
- * 启动
- */
- @Bean(name = "start")
- public void start() {
- MinioClient.Builder builder = MinioClient.builder();
- if (minioProperties.getPort() == null) {
- builder.endpoint(minioProperties.getEndpoint());
- } else {
- builder.endpoint(minioProperties.getEndpoint(), minioProperties.getPort(), Boolean.FALSE);
- }
- MinioClient client = builder
- // 服务端用户名 、 服务端密码
- .credentials(minioProperties.getAccessKey(), minioProperties.getSecretKey())
- .build();
-
- // 实例化工具类
- new MinioUtils(client);
- }
- }
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MinIO工具库
该工具库主要提供静态接口方法
- package com.cdkjframework.minio;
-
- import com.cdkjframework.builder.ResponseBuilder;
- import com.cdkjframework.constant.IntegerConsts;
- import com.cdkjframework.exceptions.GlobalException;
- import com.cdkjframework.exceptions.GlobalRuntimeException;
- import com.cdkjframework.minio.enums.ContentTypeEnums;
- import com.cdkjframework.util.tool.StringUtils;
- import com.google.common.collect.Sets;
- import io.minio.*;
- import io.minio.http.Method;
- import io.minio.messages.Bucket;
- import io.minio.messages.DeleteError;
- import io.minio.messages.DeleteObject;
- import io.minio.messages.Item;
- import org.springframework.web.multipart.MultipartFile;
-
- import java.io.ByteArrayInputStream;
- import java.io.InputStream;
- import java.io.UnsupportedEncodingException;
- import java.net.URLDecoder;
- import java.nio.charset.StandardCharsets;
- import java.util.ArrayList;
- import java.util.List;
- import java.util.Optional;
- import java.util.Set;
- import java.util.concurrent.TimeUnit;
- import java.util.stream.Collectors;
- import java.util.stream.Stream;
-
- /**
- * @ProjectName: cdkjframework
- * @Package: com.cdkjframework.minio
- * @ClassName: MinioUtils
- * @Description: minio工具类
- * @Author: xiaLin
- * @Date: 2024/9/2 13:32
- * @Version: 1.0
- */
- public class MinioUtils {
-
- /**
- * 默认的临时文件存储桶
- */
- private static final String DEFAULT_TEMP_BUCKET_NAME = "temp-bucket";
-
- /**
- * minio客户端
- */
- private static MinioClient client = null;
-
- /**
- * 构造函数
- */
- public MinioUtils(MinioClient client) {
- MinioUtils.client = client;
- }
-
- /**
- * 将URLDecoder编码转成UTF8
- *
- * @param str 待转码的字符串
- * @return 转码后的字符串
- */
- public static String getUtf8ByURLDecoder(String str) throws UnsupportedEncodingException {
- String url = str.replaceAll("%(?![0-9a-fA-F]{2})", "%25");
- return URLDecoder.decode(url, StandardCharsets.UTF_8);
- }
-
- /**
- * 把路径开头的"/"去掉,并在末尾添加"/",这个是minio对象名的样子。
- *
- * @param projectPath 以"/"开头、以字母结尾的路径
- * @return 去掉开头"/"
- */
- private static String trimHead(String projectPath) {
- return projectPath.substring(IntegerConsts.ONE);
- }
-
- /**
- * 把路径开头的"/"去掉,并在末尾添加"/",这个是minio对象名的样子。
- *
- * @param projectPath 以"/"开头、以字母结尾的路径
- * @return 添加结尾"/"
- */
- private static String addTail(String projectPath) {
- return projectPath + StringUtils.BACKSLASH;
- }
-
- /**
- * 获取数值的位数(用于构造临时文件名)
- *
- * @param number
- * @return
- */
- private static int countDigits(int number) {
- if (number == IntegerConsts.ZERO) {
- // 0 本身有一位
- return IntegerConsts.ONE;
- }
- int count = IntegerConsts.ZERO;
- while (number != IntegerConsts.ZERO) {
- number /= IntegerConsts.TEN;
- count++;
- }
- return count;
- }
-
- /**
- * 检查是否空
- *
- * @param objects 待检查的对象
- */
- private static void checkNull(Object... objects) {
- for (Object o : objects) {
- if (o == null) {
- throw new GlobalRuntimeException("Null param");
- }
- if (o instanceof String && StringUtils.isNullAndSpaceOrEmpty(o)) {
- throw new GlobalRuntimeException("Empty string");
- }
- }
- }
-
- /**
- * 给定一个字符串,返回其"/"符号后面的字符串
- *
- * @param input 输入字符串
- * @return 截取后的字符串
- */
- private static String getContentAfterSlash(String input) {
- if (StringUtils.isNullAndSpaceOrEmpty(input)) {
- return StringUtils.Empty;
- }
- int slashIndex = input.indexOf(StringUtils.BACKSLASH);
- if (slashIndex != IntegerConsts.MINUS_ONE && slashIndex < input.length() - IntegerConsts.ONE) {
- return input.substring(slashIndex + IntegerConsts.ONE);
- }
- return StringUtils.Empty;
- }
-
- /**
- * 判断Bucket是否存在
- *
- * @return true:存在,false:不存在
- */
- private static boolean bucketExists(String bucketName) throws Exception {
- return client.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());
- }
-
- /**
- * 如果一个桶不存在,则创建该桶
- */
- public static void createBucket(String bucketName) throws Exception {
- if (!bucketExists(bucketName)) {
- client.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());
- }
- }
-
- /**
- * 获取 Bucket 的相关信息
- */
- public static Optional<Bucket> getBucketInfo(String bucketName) throws Exception {
- return client.listBuckets().stream().filter(b -> b.name().equals(bucketName)).findFirst();
- }
-
- /**
- * 使用MultipartFile进行文件上传
- *
- * @param bucketName 存储桶
- * @param file 文件
- * @param fileName 对象名
- * @param contentType 类型
- * @return
- * @throws Exception
- */
- public static ObjectWriteResponse uploadFile(String bucketName, MultipartFile file,
- String fileName, ContentTypeEnums contentType) throws Exception {
- InputStream inputStream = file.getInputStream();
- return client.putObject(
- PutObjectArgs.builder()
- .bucket(bucketName)
- .object(fileName)
- .contentType(contentType.getValue())
- .stream(inputStream, inputStream.available(), IntegerConsts.MINUS_ONE)
- .build());
- }
-
- /**
- * 将文件进行分片上传
- * <p>有一个未处理的bug(虽然概率很低很低):</p>
- * 当两个线程同时上传md5相同的文件时,由于两者会定位到同一个桶的同一个临时目录,两个线程会相互产生影响!
- *
- * @param file 分片文件
- * @param currIndex 当前文件的分片索引
- * @param totalPieces 切片总数(对于同一个文件,请确保切片总数始终不变)
- * @param md5 整体文件MD5
- * @return 剩余未上传的文件索引集合
- */
- public static ResponseBuilder uploadFileFragment(MultipartFile file,
- Integer currIndex, Integer totalPieces, String md5) throws Exception {
- checkNull(currIndex, totalPieces, md5);
- // 把当前分片上传至临时桶
- if (!bucketExists(DEFAULT_TEMP_BUCKET_NAME)) {
- createBucket(DEFAULT_TEMP_BUCKET_NAME);
- }
- uploadFileStream(DEFAULT_TEMP_BUCKET_NAME, getFileTempPath(md5, currIndex, totalPieces), file.getInputStream());
- // 得到已上传的文件索引
- Iterable<Result<Item>> results = getFilesByPrefix(DEFAULT_TEMP_BUCKET_NAME, md5.concat(StringUtils.BACKSLASH), Boolean.FALSE);
- Set<Integer> savedIndex = Sets.newHashSet();
- boolean fileExists = Boolean.FALSE;
- for (Result<Item> item : results) {
- Integer idx = Integer.valueOf(getContentAfterSlash(item.get().objectName()));
- if (currIndex.equals(idx)) {
- fileExists = Boolean.TRUE;
- }
- savedIndex.add(idx);
- }
- // 得到未上传的文件索引
- Set<Integer> remainIndex = Sets.newTreeSet();
- for (int i = IntegerConsts.ZERO; i < totalPieces; i++) {
- if (!savedIndex.contains(i)) {
- remainIndex.add(i);
- }
- }
- if (fileExists) {
- return ResponseBuilder.failBuilder("index [" + currIndex + "] exists");
- }
- // 还剩一个索引未上传,当前上传索引刚好是未上传索引,上传完当前索引后就完全结束了。
- if (remainIndex.size() == IntegerConsts.ONE && remainIndex.contains(currIndex)) {
- return ResponseBuilder.successBuilder("completed");
- }
- return ResponseBuilder.failBuilder("index [" + currIndex + "] has been uploaded");
- }
-
- /**
- * 合并分片文件,并放到指定目录
- * 前提是之前已把所有分片上传完毕。
- *
- * @param bucketName 目标文件桶名
- * @param targetName 目标文件名(含完整路径)
- * @param totalPieces 切片总数(对于同一个文件,请确保切片总数始终不变)
- * @param md5 文件md5
- * @return minio原生对象,记录了文件上传信息
- */
- public static boolean composeFileFragment(String bucketName, String targetName,
- Integer totalPieces, String md5) throws Exception {
- checkNull(bucketName, targetName, totalPieces, md5);
- // 检查文件索引是否都上传完毕
- Iterable<Result<Item>> results = getFilesByPrefix(DEFAULT_TEMP_BUCKET_NAME, md5.concat(StringUtils.BACKSLASH), false);
- Set<String> savedIndex = Sets.newTreeSet();
- for (Result<Item> item : results) {
- savedIndex.add(item.get().objectName());
- }
- if (savedIndex.size() == totalPieces) {
- // 文件路径 转 文件合并对象
- List<ComposeSource> sourceObjectList = savedIndex.stream()
- .map(filePath -> ComposeSource.builder()
- .bucket(DEFAULT_TEMP_BUCKET_NAME)
- .object(filePath)
- .build())
- .collect(Collectors.toList());
- ObjectWriteResponse objectWriteResponse = client.composeObject(
- ComposeObjectArgs.builder()
- .bucket(bucketName)
- .object(targetName)
- .sources(sourceObjectList)
- .build());
- // 上传成功,则删除所有的临时分片文件
- List<String> filePaths = Stream.iterate(IntegerConsts.ZERO, i -> ++i)
- .limit(totalPieces)
- .map(i -> getFileTempPath(md5, i, totalPieces))
- .collect(Collectors.toList());
- Iterable<Result<DeleteError>> deleteResults = removeFiles(DEFAULT_TEMP_BUCKET_NAME, filePaths);
- // 遍历错误集合(无元素则成功)
- for (Result<DeleteError> result : deleteResults) {
- DeleteError error = result.get();
- System.err.printf("[Bigfile] 分片'%s'删除失败! 错误信息: %s", error.objectName(), error.message());
- }
- return true;
- }
- throw new GlobalException("The fragment index is not complete. Please check parameters [totalPieces] or [md5]");
- }
-
- /**
- * 上传本地文件
- *
- * @param bucketName 存储桶
- * @param fileName 文件名称
- * @param filePath 本地文件路径
- */
- public ObjectWriteResponse uploadFile(String bucketName, String fileName,
- String filePath) throws Exception {
- return client.uploadObject(
- UploadObjectArgs.builder()
- .bucket(bucketName)
- .object(fileName)
- .filename(filePath)
- .build());
- }
-
- /**
- * 通过流上传文件
- *
- * @param bucketName 存储桶
- * @param fileName 文件名
- * @param inputStream 文件流
- */
- public static ObjectWriteResponse uploadFileStream(String bucketName, String fileName, InputStream inputStream) throws Exception {
- return client.putObject(
- PutObjectArgs.builder()
- .bucket(bucketName)
- .object(fileName)
- .stream(inputStream, inputStream.available(), IntegerConsts.MINUS_ONE)
- .build());
- }
-
- /**
- * 判断文件是否存在
- *
- * @param bucketName 存储桶
- * @param fileName 文件名
- * @return true: 存在
- */
- public static boolean isFileExist(String bucketName, String fileName) {
- boolean exist = true;
- try {
- client.statObject(StatObjectArgs.builder().bucket(bucketName).object(fileName).build());
- } catch (Exception e) {
- exist = false;
- }
- return exist;
- }
-
- /**
- * 判断文件夹是否存在
- *
- * @param bucketName 存储桶
- * @param folderName 目录名称:本项目约定路径是以"/"开头,不以"/"结尾
- * @return true: 存在
- */
- public boolean isFolderExist(String bucketName, String folderName) {
- // 去掉头"/",才能搜索到相关前缀
- folderName = trimHead(folderName);
- boolean exist = false;
- try {
- Iterable<Result<Item>> results = client.listObjects(
- ListObjectsArgs.builder().bucket(bucketName).prefix(folderName).recursive(false).build());
- for (Result<Item> result : results) {
- Item item = result.get();
- // 增加尾"/",才能匹配到目录名字
- String objectName = addTail(folderName);
- if (item.isDir() && objectName.equals(item.objectName())) {
- exist = true;
- }
- }
- } catch (Exception e) {
- exist = false;
- }
- return exist;
- }
-
- /**
- * 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 static Iterable<Result<Item>> getFilesByPrefix(String bucketName, String prefix,
- boolean recursive) {
- return client.listObjects(
- ListObjectsArgs.builder()
- .bucket(bucketName)
- .prefix(prefix)
- .recursive(recursive)
- .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 fileName 文件名称
- */
- public StatObjectResponse getFileStatusInfo(String bucketName, String fileName) throws Exception {
- return client.statObject(
- StatObjectArgs.builder()
- .bucket(bucketName)
- .object(fileName)
- .build());
- }
-
- /**
- * 根据文件前缀查询文件
- *
- * @param bucketName 存储桶
- * @param prefix 前缀
- * @param recursive 是否使用递归查询
- * @return MinioItem 列表
- */
- public List<Item> getAllFilesByPrefix(String bucketName,
- String prefix,
- boolean recursive) throws Exception {
- List<Item> list = new ArrayList<>();
- Iterable<Result<Item>> objectsIterator = client.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;
- }
-
- /**
- * 批量删除文件
- *
- * @param bucketName 存储桶
- * @param filePaths<String> 需要删除的文件列表
- * @return Result
- */
- public static Iterable<Result<DeleteError>> removeFiles(String bucketName, List<String> filePaths) {
- List<DeleteObject> objectPaths = filePaths.stream()
- .map(filePath -> new DeleteObject(filePath))
- .collect(Collectors.toList());
- return client.removeObjects(
- RemoveObjectsArgs.builder().bucket(bucketName).objects(objectPaths).build());
- }
-
- /**
- * 获取文件的二进制流
- *
- * @param bucketName 存储桶
- * @param fileName 文件名
- * @return 二进制流
- */
- public InputStream getFileStream(String bucketName, String fileName) throws Exception {
- return client.getObject(GetObjectArgs.builder().bucket(bucketName).object(fileName).build());
- }
-
- /**
- * 断点下载
- *
- * @param bucketName 存储桶
- * @param fileName 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 getFileStream(String bucketName, String fileName, long offset, long length) throws Exception {
- return client.getObject(
- GetObjectArgs.builder()
- .bucket(bucketName)
- .object(fileName)
- .offset(offset)
- .length(length)
- .build());
- }
-
- /**
- * 拷贝文件
- *
- * @param bucketName 存储桶
- * @param fileName 文件名
- * @param srcBucketName 目标存储桶
- * @param srcFileName 目标文件名
- */
- public ObjectWriteResponse copyFile(String bucketName, String fileName,
- String srcBucketName, String srcFileName) throws Exception {
- return client.copyObject(
- CopyObjectArgs.builder()
- .source(CopySource.builder().bucket(bucketName).object(fileName).build())
- .bucket(srcBucketName)
- .object(srcFileName)
- .build());
- }
-
- /**
- * 删除文件夹(未完成)
- *
- * @param bucketName 存储桶
- * @param fileName 路径
- */
- @Deprecated
- public void removeFolder(String bucketName, String fileName) throws Exception {
- // 加尾
- fileName = addTail(fileName);
- client.removeObject(
- RemoveObjectArgs.builder()
- .bucket(bucketName)
- .object(fileName)
- .build());
- }
-
- /**
- * 删除文件
- *
- * @param bucketName 存储桶
- * @param fileName 文件名称
- */
- public void removeFile(String bucketName, String fileName) throws Exception {
- // 掐头
- fileName = trimHead(fileName);
- client.removeObject(
- RemoveObjectArgs.builder()
- .bucket(bucketName)
- .object(fileName)
- .build());
- }
-
- /**
- * 获得文件外链
- *
- * @param bucketName 存储桶
- * @param fileName 文件名
- * @return url 返回地址
- * @throws Exception
- */
- public static String getPresignedObjectUrl(String bucketName, String fileName) throws Exception {
- GetPresignedObjectUrlArgs args = GetPresignedObjectUrlArgs.builder()
- .bucket(bucketName)
- .object(fileName)
- .method(Method.GET).build();
- return client.getPresignedObjectUrl(args);
- }
-
- /**
- * 获取文件外链
- *
- * @param bucketName 存储桶
- * @param fileName 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 fileName, Integer expires) throws Exception {
- GetPresignedObjectUrlArgs args = GetPresignedObjectUrlArgs.builder()
- .method(Method.GET)
- .expiry(expires, TimeUnit.SECONDS)
- .bucket(bucketName)
- .object(fileName)
- .build();
- return client.getPresignedObjectUrl(args);
- }
-
- /**
- * 通过文件的md5,以及分片文件的索引,构造分片文件的临时存储路径
- *
- * @param md5 文件md5
- * @param currIndex 分片文件索引(从0开始)
- * @param totalPieces 总分片
- * @return 临时存储路径
- */
- private static String getFileTempPath(String md5, Integer currIndex, Integer totalPieces) {
-
- int zeroCnt = countDigits(totalPieces) - countDigits(currIndex);
- StringBuilder name = new StringBuilder(md5);
- name.append(StringUtils.BACKSLASH);
- for (int i = IntegerConsts.ZERO; i < zeroCnt; i++) {
- name.append(IntegerConsts.ZERO);
- }
- name.append(currIndex);
- return name.toString();
- }
-
- /**
- * 创建目录
- *
- * @param bucketName 存储桶
- * @param folderName 目录路径:本项目约定路径是以"/"开头,不以"/"结尾
- */
- public ObjectWriteResponse createFolder(String bucketName, String folderName) throws Exception {
- // 这是minio的bug,只有在路径的尾巴加上"/",才能当成文件夹。
- folderName = addTail(folderName);
- return client.putObject(
- PutObjectArgs.builder()
- .bucket(bucketName)
- .object(folderName)
- .stream(new ByteArrayInputStream(new byte[]{}), IntegerConsts.ZERO, IntegerConsts.MINUS_ONE)
- .build());
- }
-
- }
复制代码
资源目录下新建 META-INF\spring
该方式支持 Spring Boot 3.x
新建文件 org.springframework.boot.autoconfigure.AutoConfiguration.imports 内容
- com.cdkjframework.minio.config.MinioAutoConfiguration
复制代码
总结
Spring Boot 封装 MinIO 工具的核心意义在于将分布式存储能力转化为可复用的基础设施,通过标准化、模块化的设计,显著降低开发复杂度,提升系统健壮性和可维护性。这种封装不仅是技术层面的优化,更是工程实践中的最佳选择,尤其适用于需要快速迭代、高并发处理及多云兼容的现代应用架构。
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