1.pom.xml
<dependency>
<groupId>io.minio</groupId>
<artifactId>minio</artifactId>
<version>7.1.0</version>
</dependency>
2.application.yml
#请把下面的配置换成自己的服务器
minio:
enabled: true
endpoint: http://127.0.0.1:9000 #minio地址
accessKey: minioadmin #minio账号
secretKey: minioadmin #minio密码
bucketName: tong #minio桶名称3.util
package org.xxx.util;import com.alibaba.fastjson2.JSONObject;
import io.minio.*;
import io.minio.errors.*;
import io.minio.messages.Bucket;
import io.minio.messages.DeleteObject;
import io.minio.messages.Item;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.apache.poi.util.IOUtils;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.time.ZonedDateTime;
import java.util.*;/**
* @Description: Minio工具类
*/
@Slf4j
public class MinioUtils {
private static final String SEPARATOR = "/";
public static String endpoint;
public static String bucketName;
public static String accessKey;
public static String secretKey;
private static MinioClient minioClient;
private MinioUtils() {
}
public static void init(String endpoint, String bucketName, String accessKey, String secretKey) {
String borderStr = "|-------------------------------------------------------------------------------------------|";
System.out.println(borderStr);
System.out.println(" endpoint：" + endpoint);
System.out.println(" bucketName：" + bucketName);
System.out.println(" accessKey：" + accessKey);
System.out.println(borderStr);
MinioUtils.endpoint = endpoint;
MinioUtils.bucketName = bucketName;
MinioUtils.accessKey = accessKey;
MinioUtils.secretKey = secretKey;
createMinioClient();
}
/**
* 创建minioClient
*/
public static void createMinioClient() {
try {
if (null == minioClient) {
minioClient = MinioClient.builder().endpoint(endpoint).credentials(accessKey, secretKey).build();
createBucket();
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 获取上传文件的基础路径
*
* @return url
*/
public static String getBasisUrl() {
return endpoint + SEPARATOR + bucketName + SEPARATOR;
}
/**
* 初始化Bucket
*
* @throws Exception 异常
*/
private static void createBucket() {
try {
if (!minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build())) {
minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 验证bucketName是否存在
*
* @return boolean true:存在
*/
public static boolean bucketExists()
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
return minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build());
}
/**
* 创建bucket
*
* @param bucketName bucket名称
*/
public static void createBucket(String bucketName)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException, RegionConflictException {
if (!minioClient.bucketExists(BucketExistsArgs.builder().bucket(bucketName).build())) {
minioClient.makeBucket(MakeBucketArgs.builder().bucket(bucketName).build());
}
}
/**
* 获取全部bucket
* <p>
* https://docs.minio.io/cn/java-client-api-reference.html#listBuckets
*/
public static List<Bucket> getAllBuckets()
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
return minioClient.listBuckets();
}
/**
* 根据bucketName获取信息
*
* @param bucketName bucket名称
*/
public static Optional<Bucket> getBucket(String bucketName)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
return minioClient.listBuckets().stream().filter(b -> b.name().equals(bucketName)).findFirst();
}
/**
* 根据bucketName删除信息
*
* @param bucketName bucket名称
*/
public static void removeBucket(String bucketName)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
minioClient.removeBucket(RemoveBucketArgs.builder().bucket(bucketName).build());
}
/**
* 判断文件是否存在
*
* @param bucketName 存储桶
* @param objectName 对象
* @return true：存在
*/
public static boolean doesObjectExist(String bucketName, String objectName) {
boolean exist = true;
try {
minioClient
.statObject(StatObjectArgs.builder().bucket(bucketName).object(objectName).build());
} catch (Exception 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（去掉/）
* @return true：存在
*/
public static boolean doesFolderExist(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) {
exist = false;
}
return exist;
}
/**
* 根据文件前置查询文件
*
* @param bucketName bucket名称
* @param prefix 前缀
* @param recursive 是否递归查询
* @return MinioItem 列表
*/
public static List<Item> getAllObjectsByPrefix(String bucketName, String prefix,
boolean recursive)
throws ErrorResponseException, InsufficientDataException, InternalException, InvalidBucketNameException, InvalidKeyException, InvalidResponseException,
IOException, NoSuchAlgorithmException, ServerException, XmlParserException {
List<Item> list = new ArrayList<Item>();
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 bucket名称
* @param objectName 文件名称
* @return 二进制流
*/
public static InputStream getObject(String bucketName, String objectName)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
return minioClient
.getObject(GetObjectArgs.builder().bucket(bucketName).object(objectName).build());
}
/**
* 获取路径下文件列表
*
* @param bucketName bucket名称
* @param prefix 文件名称
* @param recursive 是否递归查找，如果是false,就模拟文件夹结构查找
* @return 二进制流
*/
public static Iterable<Result<Item>> listObjects(String bucketName, String prefix,
boolean recursive) {
return minioClient.listObjects(
ListObjectsArgs.builder().bucket(bucketName).prefix(prefix).recursive(recursive).build());
}
/**
* 通过MultipartFile，上传文件
* 由于minion私有桶最大天数为7点，所以把私用桶改为了public，直接访问返回地址可以访问
* @param bucketName 存储桶
* @param file 文件
* @param objectName 对象名
*/
public static String putObject(String bucketName, MultipartFile file,
String objectName, String contentType)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
InputStream inputStream = file.getInputStream();
ObjectWriteResponse objectWriteResponse = minioClient.putObject(
PutObjectArgs.builder().bucket(bucketName).object(objectName).contentType(contentType)
.stream(
inputStream, inputStream.available(), -1)
.build());
String bucket = objectWriteResponse.bucket();
String object = objectWriteResponse.object();
return endpoint + "/" + bucket + "/" + object;
}
/**
* 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
*/
public static ObjectWriteResponse putObject(String bucketName, String objectName,
String fileName)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
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 static ObjectWriteResponse putObject(String bucketName, String objectName,
InputStream inputStream)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
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 static ObjectWriteResponse putDirObject(String bucketName, String objectName)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
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 bucket名称
* @param objectName 文件名称
*/
public static ObjectStat statObject(String bucketName, String objectName)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
return minioClient
.statObject(StatObjectArgs.builder().bucket(bucketName).object(objectName).build());
}
/**
* 拷贝文件
*
* @param bucketName bucket名称
* @param objectName 文件名称
* @param srcBucketName 目标bucket名称
* @param srcObjectName 目标文件名称
*/
public static ObjectWriteResponse copyObject(String bucketName, String objectName,
String srcBucketName, String srcObjectName)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
return minioClient.copyObject(
CopyObjectArgs.builder()
.source(CopySource.builder().bucket(bucketName).object(objectName).build())
.bucket(srcBucketName)
.object(srcObjectName)
.build());
}
/**
* 删除文件
*
* @param bucketName bucket名称
* @param objectName 文件名称
*/
public static void removeObject(String bucketName, String objectName)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
minioClient
.removeObject(RemoveObjectArgs.builder().bucket(bucketName).object(objectName).build());
}
/**
* 批量删除文件
*
* @param bucketName bucket
* @param keys 需要删除的文件列表
* @return
*/
public static void removeObjects(String bucketName, List<String> keys) {
List<DeleteObject> objects = new LinkedList<DeleteObject>();
keys.forEach(s -> {
objects.add(new DeleteObject(s));
try {
removeObject(bucketName, s);
} catch (Exception e) {
log.error("批量删除失败！error:{}", e);
}
});
}
/**
* 获取文件外链
*
* @param bucketName bucket名称
* @param objectName 文件名称
* @param expires 过期时间 <=7 秒级
* @return url
*/
public static String getPresignedObjectUrl(String bucketName, String objectName,
Integer expires)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, InvalidExpiresRangeException, ServerException, InternalException, NoSuchAlgorithmException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
return minioClient.presignedGetObject(bucketName, objectName, expires);
}
// 把地址转为代理地址
public static String transURLForProxy(String source, String proxy) {
int pos = source.substring(7).indexOf("/");
return proxy + "/minio" + source.substring(pos);
}
/**
* 给presigned URL设置策略
*
* @param bucketName 存储桶
* @param objectName 对象名
* @param expires 过期策略
* @return map
*/
public static Map<String, String> presignedGetObject(String bucketName, String objectName,
Integer expires)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, InvalidExpiresRangeException, ServerException, InternalException, NoSuchAlgorithmException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
PostPolicy policy = new PostPolicy(bucketName, objectName,
ZonedDateTime.now().plusDays(7));
policy.setContentType("image/png");
return minioClient.presignedPostPolicy(policy);
}
/**
* 将URLDecoder编码转成UTF8
*
* @param str
* @return
* @throws UnsupportedEncodingException
*/
public static String getUtf8ByURLDecoder(String str) throws UnsupportedEncodingException {
String url = str.replaceAll("%(?![0-9a-fA-F]{2})", "%25");
return URLDecoder.decode(url, "UTF-8");
}
/**
* 下载文件
* <p>
* bucketName:
* 桶名
*
* @param fileName: 文件名
* @param response:
* @return: void
* @date : 2020/8/17 0:34
*/
@SneakyThrows(Exception.class)
public static void download(String fileName, HttpServletResponse response) {
// 获取对象的元数据
final ObjectStat stat = minioClient.statObject(bucketName, fileName);
response.setContentType(stat.contentType());
response.setCharacterEncoding("UTF-8");
response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
InputStream is = minioClient.getObject(bucketName, fileName);
IOUtils.copy(is, response.getOutputStream());
is.close();
}
/**
* 获取存储桶策略
*
* @param bucketName 存储桶名称
* @return json
*/
private JSONObject getBucketPolicy(String bucketName)
throws IOException, InvalidKeyException, InvalidResponseException, BucketPolicyTooLargeException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, InsufficientDataException, ErrorResponseException {
String bucketPolicy = minioClient
.getBucketPolicy(GetBucketPolicyArgs.builder().bucket(bucketName).build());
return JSONObject.parseObject(bucketPolicy);
}
/**
* 断点下载
*
* @param bucketName bucket名称
* @param objectName 文件名称
* @param offset 起始字节的位置
* @param length 要读取的长度
* @return 流
*/
public InputStream getObject(String bucketName, String objectName, long offset, long length)
throws IOException, InvalidKeyException, InvalidResponseException, InsufficientDataException, NoSuchAlgorithmException, ServerException, InternalException, XmlParserException, InvalidBucketNameException, ErrorResponseException {
return minioClient.getObject(
GetObjectArgs.builder().bucket(bucketName).object(objectName).offset(offset).length(length)
.build());
}
}
4.Config
import com.ruoyi.common.utils.MinioUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;/**
* @author lishiheng
* @create 2022-05-12 11:44
*/
@Configuration
public class MinioConfig {/**
* 设置请求的统一前缀
*/
@Value("${minio.enabled}")
private boolean enabled;
@Value("${minio.endpoint}")
private String endpoint;
@Value("${minio.accessKey}")
private String accessKey;
@Value("${minio.secretKey}")
private String secretKey;
@Value("${minio.bucketName}")
private String bucketName;
@Bean
public void minioInit() {
if (enabled) {
MinioUtils.init(endpoint, bucketName, accessKey, secretKey);
}
}}
5.Controller
@RestController
@RequestMapping("/filemanage")
public class UpLoadController {
/**
* 上传
*
* @param file
* @return
*/@PostMapping("/upload")
public AjaxResult upload(@RequestParam("file") MultipartFile file) {
try {
String oleFileName = file.getOriginalFilename();
if (StringUtils.isEmpty(oleFileName)) {
return AjaxResult.error("上传文件异常");
}
String suffix = oleFileName.substring(oleFileName.lastIndexOf("."));
String fileName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + suffix;
Map<String, String> res = new HashMap<>();
res.put("url", MinioUtils.putObject(MinioUtils.bucketName, file, fileName, file.getContentType()));
return AjaxResult.success(res);
} catch (Exception e) {
return AjaxResult.error("上传文件异常:" + e.getMessage());
}
}}
本人这边常用的接口
1.上传：
上传完成会返回一个路径，把当前路径存到数据库就可以了，这个路径可以直接访问。
记得把minio控制台里面对应的桶设置访问规则，桶是私有的规则为公共读，就可以访问了，设置为公共读
1.
2.
3.
PS：如果都配置正确的话，还是访问不进去 有可能是服务器时间不正常，遇到过这个问题。
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