MinIO文件服务器的安装使用
什么是MinIO？
MinIO 是一款高性能、分布式的对象存储系统
MinIO提供高性能、S3兼容的对象存储
目录
一、安装步骤
1.1 连接服务器（此处为linux系统）
1.2 使用命令在root目录下创建minio文件夹，打开minio文件夹，下载minio
1.3 下载完成后会在当前目录下出现一个minio目录，为该文件添加可执行权限
1.4 创建minio文件存储目录及日志目录
1.5 在 /root/minio/目录下，新建一个run.sh并编辑以下内容，使用命令vim run.sh,然后将以下内容保存到run.sh。注：用户名和密码自己设置
1.6 为其赋予执行权限chmod u+x run.sh
1.7 启动minio并查看日志
1.8 访问其中的http://192.169.1.6:9002,使用5中配置的用户名密码登录
1.9 创建Buckets（桶）
1.10 创建访问密钥并保存。注：springboot整合需要用到
二、使用步骤
2.1 项目引入依赖
2.2 application.yml文件里配置minio。注：minio配置信息需改为自身的
2.3 创建minio配置类和工具类
2.4 创建一个数据表，用于保存上传到minio的文件的信息
2.5 使用代码自动生成器生成entity、controller、service、mapper。
2.6 创建minio上传、删除接口
2.7 封装上传返回数据MinioResponseDTO对象
2.8 测试
一、安装步骤
1.1 连接服务器（此处为linux系统）
1.2 使用命令在root目录下创建minio文件夹，打开minio文件夹，下载minio
cd
mkdir minio
cd minio
wget https://dl.min.io/server/minio/release/linux-amd64/minio1.3 下载完成后会在当前目录下出现一个minio目录，为该文件添加可执行权限
chmod +x minio1.4 创建minio文件存储目录及日志目录
# 创建minio文件存储目录及日志目录
mkdir -p /root/data/minio;
mkdir -p /root/logs/minio;1.5 在 /root/minio/目录下，新建一个run.sh并编辑以下内容，使用命令vim run.sh,然后将以下内容保存到run.sh。注：用户名和密码自己设置
#!/bin/bash
export MINIO_ROOT_USER=minio-username
export MINIO_ROOT_PASSWORD=minio-password
# nohup启动服务 指定文件存放路径 /root/data 还有设置日志文件路径 /root/minio/log
nohup ./minio server --address :9002 --console-address :9001 /root/data/minio > /root/logs/minio/minio.log 2>&1 &1.6 为其赋予执行权限chmod u+x run.sh
chmod u+x run.sh1.7 启动minio并查看日志
# 启动minio服务
bash run.sh
# 查看日志
tail -200f /root/logs/minio/minio.log出现以下内容即安装成功
1.8 访问其中的http://192.169.1.6:9002,使用5中配置的用户名密码登录
1.9 创建Buckets（桶）
1.10 创建访问密钥并保存。注：springboot整合需要用到
二、使用步骤
2.1 项目引入依赖
io.minio
minio
7.1.0
2.2 application.yml文件里配置minio。注：minio配置信息需改为自身的
minio:
endpoint: http://192.168.1.6：9002
# 安装步骤10中创建的访问密钥
accessKey: ***************
secretKey: ********************
# 安装步骤9中创建的bckets名字
bucketName: test
secure: false
spring:
mvc:
hiddenmethod:
filter:
enabled: true
# 设置文件上传大小限制
servlet:
multipart:
max-file-size: 100MB
max-request-size: 150MB2.3 创建minio配置类和工具类
配置类：
import io.minio.MinioClient;
import io.minio.errors.InvalidPortException;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;
/**
* @author Lannibar
* @date: 2023-5-17
* @Description minio配置
*/
@Configuration
@Component
@ConfigurationProperties(prefix = "minio")
@Data
public class MinioConfig {
private String endpoint;
private int port;
private String accessKey;
private String secretKey;
private Boolean secure;
private String bucketName;
@Bean
public MinioClient getMinioClient() throws InvalidPortException {
MinioClient minioClient = MinioClient.builder().endpoint(endpoint)
.credentials(accessKey, secretKey)
.build();
return minioClient;
}
}工具类：
package com.xiaomifeng.minio.util;
import io.minio.*;
import io.minio.errors.*;
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 lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
/**
* MinIO 客户端工具类
*/
@Component
@Slf4j
public class MinioClientUtils {
@Autowired
private MinioClient minioClient;
private static final int DEFAULT_EXPIRY_TIME = 7 * 24 * 3600;
/**
* 检查存储桶是否存在
*
* @param bucketName 存储桶名称
* @return boolean
*/
public boolean bucketExists(String bucketName) throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
boolean flag = false;
flag = minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());
if (flag) {
return true;
}
return false;
}
/**
* 创建存储桶
*
* @param bucketName 存储桶名称
*/
public boolean makeBucket(String bucketName) throws IOException, InvalidKeyException, InvalidResponseException, RegionConflictException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
boolean flag = bucketExists(bucketName);
if (!flag) {
minioClient.makeBucket(
MakeBucketArgs.builder()
.bucket(bucketName)
.build());
return true;
} else {
return false;
}
}
/**
* 列出所有存储桶名称
*
* @return List
*/
public List listBucketNames() throws IOException, InvalidResponseException, InvalidKeyException, NoSuchAlgorithmException, ServerException, ErrorResponseException, XmlParserException, InvalidBucketNameException, InsufficientDataException, InternalException {
List bucketList = listBuckets();
List bucketListName = new ArrayList<>();
for (Bucket bucket : bucketList) {
bucketListName.add(bucket.name());
}
return bucketListName;
}
/**
* 列出所有存储桶
*
* @return List
*/
public List listBuckets() throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
return minioClient.listBuckets();
}
/**
* 删除存储桶
*
* @param bucketName 存储桶名称
* @return boolean
*/
public boolean removeBucket(String bucketName) throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
boolean flag = bucketExists(bucketName);
if (flag) {
Iterable> myObjects = listObjects(bucketName);
for (Result- result : myObjects) {
Item item = result.get();
// 有对象文件，则删除失败
if (item.size() > 0) {
return false;
}
}
// 删除存储桶，注意，只有存储桶为空时才能删除成功。
minioClient.removeBucket(RemoveBucketArgs.builder().bucket(bucketName).build());
flag = bucketExists(bucketName);
if (!flag) {
return true;
}
}
return false;
}
/**
* 列出存储桶中的所有对象名称
*
* @param bucketName 存储桶名称
* @return List
*/
public List listObjectNames(String bucketName) throws XmlParserException, IOException, InvalidResponseException, InvalidKeyException, NoSuchAlgorithmException, ServerException, ErrorResponseException, InvalidBucketNameException, InsufficientDataException, InternalException {
List listObjectNames = new ArrayList<>();
boolean flag = bucketExists(bucketName);
if (flag) {
Iterable> myObjects = listObjects(bucketName);
for (Result- result : myObjects) {
Item item = result.get();
listObjectNames.add(item.objectName());
}
}
return listObjectNames;
}
/**
* 列出存储桶中的所有对象
*
* @param bucketName 存储桶名称
* @return Iterable
>
*/
public Iterable> listObjects(String bucketName) throws XmlParserException, IOException, InvalidResponseException, InvalidKeyException, NoSuchAlgorithmException, ServerException, ErrorResponseException, InvalidBucketNameException, InsufficientDataException, InternalException {
boolean flag = bucketExists(bucketName);
if (flag) {
return minioClient.listObjects( ListObjectsArgs.builder().bucket(bucketName).build());
}
return null;
}
/**
* 通过文件上传到对象
*
* @param bucketName 存储桶名称
* @param objectName 存储桶里的对象名称
* @param fileName File name
* @return boolean
*/
public boolean uploadObject(String bucketName, String objectName, String fileName) throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
boolean flag = bucketExists(bucketName);
if (flag) {
minioClient.uploadObject(
UploadObjectArgs.builder()
.bucket(bucketName).object(objectName).filename(fileName).build());
ObjectStat statObject = statObject(bucketName, objectName);
if (statObject != null && statObject.length() > 0) {
return true;
}
}
return false;
}
/**
* 文件上传
*
* @param bucketName 存储捅名称
* @param multipartFile 文件
* @param filename 文件名
*/
public void putObject(String bucketName, MultipartFile multipartFile, String filename) throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
PutObjectOptions putObjectOptions = new PutObjectOptions(multipartFile.getSize(), PutObjectOptions.MIN_MULTIPART_SIZE);
putObjectOptions.setContentType(multipartFile.getContentType());
minioClient.putObject(
PutObjectArgs.builder().bucket(bucketName).object(filename).stream(
multipartFile.getInputStream(), multipartFile.getSize(), -1).contentType(multipartFile.getContentType())
.build());
}
/**
* 通过InputStream上传对象
*
* @param bucketName 存储桶名称
* @param objectName 存储桶里的对象名称
* @param inputStream 要上传的流
* @param contentType 上传的文件类型 例如 video/mp4 image/jpg
* @return boolean
*/
public boolean putObject(String bucketName, String objectName, InputStream inputStream,String contentType) throws IOException, InvalidResponseException, InvalidKeyException, NoSuchAlgorithmException, ServerException, ErrorResponseException, XmlParserException, InvalidBucketNameException, InsufficientDataException, InternalException {
boolean flag = bucketExists(bucketName);
if (flag) {
minioClient.putObject(PutObjectArgs.builder().bucket(bucketName).object(objectName).stream(
//不清楚文件的大小时，可以传-1，10485760。如果知道大小也可以传入size，partsize。
inputStream, -1, 10485760)
.contentType(contentType)
.build());
ObjectStat statObject = statObject(bucketName, objectName);
if (statObject != null && statObject.length() > 0) {
return true;
}
}
return false;
}
/**
* 以流的形式获取一个文件对象
*
* @param bucketName 存储桶名称
* @param objectName 存储桶里的对象名称
* @return InputStream
*/
public InputStream getObject(String bucketName, String objectName) throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
boolean flag = bucketExists(bucketName);
if (flag) {
ObjectStat statObject = statObject(bucketName, objectName);
if (statObject != null && statObject.length() > 0) {
InputStream stream = minioClient.getObject( GetObjectArgs.builder()
.bucket(bucketName)
.object(objectName)
.build());
return stream;
}
}
return null;
}
/**
* 以流的形式获取一个文件对象（断点下载）
*
* @param bucketName 存储桶名称
* @param objectName 存储桶里的对象名称
* @param offset 起始字节的位置
* @param length 要读取的长度 (可选，如果无值则代表读到文件结尾)
* @return InputStream
*/
public InputStream getObject(String bucketName, String objectName, long offset, Long length) throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
boolean flag = bucketExists(bucketName);
if (flag) {
ObjectStat statObject = statObject(bucketName, objectName);
if (statObject != null && statObject.length() > 0) {
InputStream stream = minioClient.getObject( GetObjectArgs.builder()
.bucket(bucketName)
.object(objectName)
.offset(1024L)
.length(4096L)
.build());
return stream;
}
}
return null;
}
/**
* 下载并将文件保存到本地
*
* @param bucketName 存储桶名称
* @param objectName 存储桶里的对象名称
* @param fileName File name
* @return boolean
*/
public boolean downloadObject(String bucketName, String objectName, String fileName) throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
boolean flag = bucketExists(bucketName);
if (flag) {
ObjectStat statObject = statObject(bucketName, objectName);
if (statObject != null && statObject.length() > 0) {
minioClient.downloadObject(DownloadObjectArgs.builder()
.bucket(bucketName)
.object(objectName)
.filename(fileName)
.build());
return true;
}
}
return false;
}
/**
* 删除一个对象
*
* @param bucketName 存储桶名称
* @param objectName 存储桶里的对象名称
*/
public boolean removeObject(String bucketName, String objectName) throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
boolean flag = bucketExists(bucketName);
if (flag) {
minioClient.removeObject(RemoveObjectArgs.builder().bucket(bucketName).object(objectName).build());
return true;
}
return false;
}
/**
* 删除指定桶的多个文件对象,返回删除错误的对象列表，全部删除成功，返回空列表
*
* @param bucketName 存储桶名称
* @param objectNames 含有要删除的多个object名称的迭代器对象
* @return
* eg:
* List objects = new LinkedList<>();
* objects.add(new DeleteObject("my-objectname1"));
* objects.add(new DeleteObject("my-objectname2"));
* objects.add(new DeleteObject("my-objectname3"));
*/
public List removeObjects(String bucketName, List objectNames) throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
List deleteErrorNames = new ArrayList<>();
boolean flag = bucketExists(bucketName);
if (flag) {
Iterable> results = minioClient.removeObjects(RemoveObjectsArgs.builder().bucket(bucketName).objects(objectNames).build());
for (Result result : results) {
DeleteError error = result.get();
deleteErrorNames.add(error.objectName());
}
}
return deleteErrorNames;
}
/**
* 生成一个给HTTP GET请求用的presigned URL。
* 浏览器/移动端的客户端可以用这个URL进行下载，即使其所在的存储桶是私有的。这个presigned URL可以设置一个失效时间，默认值是7天。
*
* @param bucketName 存储桶名称
* @param objectName 存储桶里的对象名称
* @param expires 失效时间（以秒为单位），默认是7天，不得大于七天
* @return
*/
public String getPresignedObjectUrl(String bucketName, String objectName, Integer expires) throws InvalidExpiresRangeException, IOException, InvalidResponseException, InvalidKeyException, NoSuchAlgorithmException, ServerException, ErrorResponseException, XmlParserException, InvalidBucketNameException, InsufficientDataException, InternalException {
boolean flag = bucketExists(bucketName);
String url = "";
if (flag) {
if (expires < 1 || expires > DEFAULT_EXPIRY_TIME) {
throw new InvalidExpiresRangeException(expires,
"expires must be in range of 1 to " + DEFAULT_EXPIRY_TIME);
}
try {
url = minioClient.getPresignedObjectUrl(GetPresignedObjectUrlArgs.builder()
.method(Method.GET)
.bucket(bucketName)
.object(objectName)
.expiry(expires)//动态参数
// .expiry(24 * 60 * 60)//用秒来计算一天时间有效期
// .expiry(1, TimeUnit.DAYS)//按天传参
// .expiry(1, TimeUnit.HOURS)//按小时传参数
.build());
} catch (ErrorResponseException | InsufficientDataException | InternalException | InvalidBucketNameException | InvalidExpiresRangeException | InvalidKeyException | InvalidResponseException | IOException | NoSuchAlgorithmException | ServerException | XmlParserException e) {
e.printStackTrace();
}
}
return url;
}
/**
* 生成一个给HTTP PUT请求用的presigned URL。
* 浏览器/移动端的客户端可以用这个URL进行上传，即使其所在的存储桶是私有的。这个presigned URL可以设置一个失效时间，默认值是7天。
*
* @param bucketName 存储桶名称
* @param objectName 存储桶里的对象名称
* @param expires 失效时间（以秒为单位），默认是7天，不得大于七天
* @return String
*/
public String presignedPutObject(String bucketName, String objectName, Integer expires) throws IOException, InvalidResponseException, InvalidKeyException, NoSuchAlgorithmException, ServerException, ErrorResponseException, XmlParserException, InvalidBucketNameException, InsufficientDataException, InternalException {
boolean flag = bucketExists(bucketName);
String url = "";
if (flag) {
if (expires < 1 || expires > DEFAULT_EXPIRY_TIME) {
try {
throw new InvalidExpiresRangeException(expires,
"expires must be in range of 1 to " + DEFAULT_EXPIRY_TIME);
} catch (InvalidExpiresRangeException e) {
e.printStackTrace();
}
}
try {
url = minioClient.getPresignedObjectUrl(GetPresignedObjectUrlArgs.builder()
.method(Method.PUT)
.bucket(bucketName)
.object(objectName)
.expiry(expires)//动态参数
// .expiry(24 * 60 * 60)//用秒来计算一天时间有效期
// .expiry(1, TimeUnit.DAYS)//按天传参
// .expiry(1, TimeUnit.HOURS)//按小时传参数
.build());
} catch (ErrorResponseException | InsufficientDataException e) {
e.printStackTrace();
} catch (InternalException e) {
log.error("InternalException",e);
} catch (InvalidBucketNameException e) {
log.error("InvalidBucketNameException",e);
} catch (InvalidExpiresRangeException e) {
log.error("InvalidExpiresRangeException",e);
} catch (InvalidKeyException e) {
log.error("InvalidKeyException",e);
} catch (InvalidResponseException e) {
log.error("InvalidResponseException",e);
} catch (IOException e) {
log.error("IOException",e);
} catch (NoSuchAlgorithmException e) {
log.error("NoSuchAlgorithmException",e);
} catch (ServerException e) {
log.error("ServerException",e);
} catch (XmlParserException e) {
log.error("XmlParserException",e);
}
}
return url;
}
/**
* 获取对象的元数据
*
* @param bucketName 存储桶名称
* @param objectName 存储桶里的对象名称
* @return
*/
public ObjectStat statObject(String bucketName, String objectName) throws IOException, InvalidResponseException, InvalidKeyException, NoSuchAlgorithmException, ServerException, ErrorResponseException, XmlParserException, InvalidBucketNameException, InsufficientDataException, InternalException {
boolean flag = bucketExists(bucketName);
if (flag) {
ObjectStat statObject = null;
try {
statObject = minioClient.statObject(StatObjectArgs.builder().bucket(bucketName).object(objectName).build());
} catch (ErrorResponseException e) {
log.error("ErrorResponseException",e);
} catch (InsufficientDataException e) {
log.error("ErrorResponseException",e);
e.printStackTrace();
} catch (InternalException e) {
log.error("InternalException",e);
} catch (InvalidBucketNameException e) {
log.error("InvalidBucketNameException",e);
} catch (InvalidKeyException e) {
log.error("InvalidKeyException",e);
} catch (InvalidResponseException e) {
log.error("InvalidResponseException",e);
} catch (IOException e) {
log.error("IOException",e);
} catch (NoSuchAlgorithmException e) {
log.error("NoSuchAlgorithmException",e);
} catch (ServerException e) {
log.error("ServerException",e);
} catch (XmlParserException e) {
log.error("XmlParserException",e);
}
return statObject;
}
return null;
}
/**
* 文件访问路径
*
* @param bucketName 存储桶名称
* @param objectName 存储桶里的对象名称
* @return String
*/
public String getObjectUrl(String bucketName, String objectName) throws IOException, InvalidResponseException, InvalidKeyException, NoSuchAlgorithmException, ServerException, ErrorResponseException, XmlParserException, InvalidBucketNameException, InsufficientDataException, InternalException {
boolean flag = bucketExists(bucketName);
String url = "";
if (flag) {
try {
url = minioClient.getObjectUrl(bucketName, objectName);
} catch (ErrorResponseException e) {
log.error("XmlParserException",e);
} catch (InsufficientDataException e) {
log.error("InsufficientDataException",e);
} catch (InternalException e) {
log.error("InternalException",e);
} catch (InvalidBucketNameException e) {
log.error("InvalidBucketNameException",e);
} catch (InvalidKeyException e) {
log.error("InvalidKeyException",e);
} catch (InvalidResponseException e) {
log.error("InvalidResponseException",e);
} catch (IOException e) {
log.error("IOException",e);
} catch (NoSuchAlgorithmException e) {
log.error("NoSuchAlgorithmException",e);
} catch (ServerException e) {
log.error("ServerException",e);
} catch (XmlParserException e) {
log.error("XmlParserException",e);
}
}
return url;
}
public void downloadFile(String bucketName, String fileName, String originalName, HttpServletResponse response) {
try {
InputStream file = minioClient.getObject(GetObjectArgs.builder()
.bucket(bucketName)
.object(fileName)
.build());
String filename = new String(fileName.getBytes("ISO8859-1"), StandardCharsets.UTF_8);
if (StringUtils.isNotEmpty(originalName)) {
fileName = originalName;
}
response.setHeader("Content-Disposition", "attachment;filename=" + filename);
ServletOutputStream servletOutputStream = response.getOutputStream();
int len;
byte[] buffer = new byte[1024];
while ((len = file.read(buffer)) > 0) {
servletOutputStream.write(buffer, 0, len);
}
servletOutputStream.flush();
file.close();
servletOutputStream.close();
} catch (ErrorResponseException e) {
log.error("ErrorResponseException",e);
} catch (Exception e) {
log.error("Exception",e);
}
}
}
2.4 创建一个数据表，用于保存上传到minio的文件的信息
CREATE TABLE `minio_file` (
`id` bigint(20) NOT NULL COMMENT '文件id',
`original_file_name` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '原始文件名称',
`file_ext_name` varchar(15) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '文件拓展名',
`file_size` bigint(20) DEFAULT NULL COMMENT '文件大小(单位：字节）',
`file_name` varchar(35) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '存入minio时的文件名称',
`mime` varchar(50) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '文件的content-type',
`file_url` varchar(255) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '文件路径',
`is_delete` tinyint(1) DEFAULT NULL COMMENT '是否删除 0 否 1 是',
`create_by` varchar(25) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '创建者',
`update_by` varchar(25) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '更改者',
`create_time` datetime DEFAULT NULL COMMENT '创建时间',
`update_time` datetime DEFAULT NULL COMMENT '更新时间',
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;2.5 使用代码自动生成器生成entity、controller、service、mapper。
代码自动生成器文章地址：代码自动生成器_芒果味的戏子的博客-CSDN博客
2.6 创建minio上传、删除接口
import cn.hutool.core.io.FileUtil;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.lang3.RandomStringUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.jeecg.common.api.vo.Result;
import org.jeecg.config.oss.MinioConfig;
import org.jeecg.modules.dto.MinioResponseDTO;
import org.jeecg.modules.entity.MinioFile;
import org.jeecg.modules.service.MinioFileService;
import org.jeecg.modules.util.MinioClientUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import javax.annotation.Resource;
import java.time.Instant;
import java.util.ArrayList;
import java.util.List;
/**
* @author xiaomifeng1010
* @version 1.0
* @date: 2022/5/21 10:33
* @Description minio 文件处理（上传，下载，获取文件地址等）
*/
@Slf4j
@Api(tags = "文件处理模块")
@RestController
@CrossOrigin //处理跨域请求
@RequestMapping("/minioFile")
public class MinioFileController {
@Resource
private MinioClientUtils minioClientUtils;
@Resource
private MinioConfig minioConfig;
@Autowired
private MinioFileService minioFileService;
@PostMapping(value = "/uploadFile")
@ApiOperation(value = "上传文件,支持批量上传")
@ApiImplicitParam(name = "files",value = "文件对象",dataType = "File")
public Result uploadFile(@RequestParam("files") List files) {
log.info(files.toString());
if (CollectionUtils.isEmpty(files)){
return Result.error("未选择文件！");
}
List MinioResponseDTOList=new ArrayList<>();
for (MultipartFile file : files) {
String originalFilename = file.getOriginalFilename();
// 获取文件拓展名
String extName = FileUtil.extName(originalFilename);
log.info("文件拓展名:"+extName);
// 生成新的文件名，存入到minio
long millSeconds = Instant.now().toEpochMilli();
String minioFileName=millSeconds+ RandomStringUtils.randomNumeric(12)+"."+extName;
String contentType = file.getContentType();
log.info("文件mime:{}",contentType);
// 返回文件大小,单位字节
long size = file.getSize();
log.info("文件大小："+size);
try {
String bucketName = minioConfig.getBucketName();
minioClientUtils.putObject(bucketName,file,minioFileName);
String fileUrl = minioClientUtils.getObjectUrl(bucketName, minioFileName);
MinioFile minioFile = new MinioFile();
minioFile.setOriginalFileName(originalFilename);
minioFile.setFileExtName(extName);
minioFile.setFileName(minioFileName);
minioFile.setFileSize(size);
minioFile.setMime(contentType);
// minioFile.setIsDelete(NumberUtils.INTEGER_ZERO);
minioFile.setIsDelete(NumberUtils.INTEGER_ZERO == 0 ? false : true);
minioFile.setFileUrl(fileUrl);
boolean insert = minioFileService.save(minioFile);
if (insert) {
MinioResponseDTO minioResponseDTO = new MinioResponseDTO();
minioResponseDTO.setFileId(minioFile.getId());
minioResponseDTO.setOriginalFileName(originalFilename);
minioResponseDTO.setFileUrl(fileUrl);
MinioResponseDTOList.add(minioResponseDTO);
}
} catch (Exception e) {
log.error("上传文件出错:{}",e);
return Result.error("上传文件出错");
}
}
return Result.ok(MinioResponseDTOList);
}
/**
* 删除文件
* @param minioFileName 文件名称
* @return
*/
@ApiOperation(value = "删除文件" , notes = "删除文件")
@RequestMapping(value = "/deleteMinioFile",method = RequestMethod.GET)
public Result deleteMinioFile(@RequestParam String minioFileName){
try {
String bucketName = minioConfig.getBucketName();
minioClientUtils.removeObject(bucketName,minioFileName);
MinioFile minioFile = minioFileService.getOne(new QueryWrapper().eq("file_name",minioFileName));
if (minioFile == null){
log.error("文件不存在数据库表中！");
return Result.error("文件不存在数据库表中！");
}else{
minioFileService.removeById(minioFile);
}
}catch (Exception e){
log.error("删除文件失败！");
return Result.error("删除文件失败！");
}
return Result.ok("删除文件成功");
}
} 2.7 封装上传返回数据MinioResponseDTO对象
import io.swagger.annotations.ApiModelProperty;
import lombok.Data;
/**
* 该实体主要用于封装用户提交的文件信息表单
*
* @author Lannibar
* @since 2023-5-18
*/
@Data
public class MinioResponseDTO {
@ApiModelProperty(value = "文件id")
private Long fileId;
@ApiModelProperty(value = "文件访问地址")
private String fileUrl;
@ApiModelProperty(value = "文件名")
private String originalFileName;
}
2.8 测试
上传：
数据库数据：
使用返回的访问地址访问：
删除：
至此，MinIO文件服务的安装和使用已完成。
文章仅供自身学习和参考。