简单的springboot整合minio完成上传查询等
1、本地下载minio
brew install minio/stable/minio
2、下载结果
3、启动minio
/opt/homebrew/opt/minio/bin/minio server --config-dir=/opt/homebrew/etc/minio --address=:9000 /opt/homebrew/var/minio
4、启动完成
5、web页面
账号密码：
minioadmin
登陆完成后创建一个public桶
6、新建项目pom文件
4.0.0
org.example
minio
1.0-SNAPSHOT
8
8
UTF-8
org.springframework.boot
spring-boot-starter-parent
2.2.7.RELEASE
org.springframework.boot
spring-boot-starter-web
2.2.4.RELEASE
io.minio
minio
7.0.2
7、新建配置类
package com.xxx.config;
import io.minio.MinioClient;
import io.minio.ObjectStat;
import io.minio.PutObjectOptions;
import io.minio.Result;
import io.minio.messages.Bucket;
import io.minio.messages.Item;
import org.apache.tomcat.util.http.fileupload.IOUtils;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.util.Assert;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.util.UriUtils;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
@Component
public class MinioConfig implements InitializingBean {
@Value(value = "${minio.bucket}")
private String bucket;
@Value(value = "${minio.host}")
private String host;
@Value(value = "${minio.url}")
private String url;
@Value(value = "${minio.access-key}")
private String accessKey;
@Value(value = "${minio.secret-key}")
private String secretKey;
private MinioClient minioClient;
@Override
public void afterPropertiesSet() throws Exception {
Assert.hasText(url, "Minio url 为空");
Assert.hasText(accessKey, "Minio accessKey为空");
Assert.hasText(secretKey, "Minio secretKey为空");
this.minioClient = new MinioClient(this.host, this.accessKey, this.secretKey);
}
/**
* 上传
*/
public String putObject(MultipartFile multipartFile) throws Exception {
// bucket 不存在，创建
if (!minioClient.bucketExists(this.bucket)) {
minioClient.makeBucket(this.bucket);
}
try (InputStream inputStream = multipartFile.getInputStream()) {
// 上传文件的名称
String fileName = multipartFile.getOriginalFilename();
// PutObjectOptions，上传配置(文件大小，内存中文件分片大小)
PutObjectOptions putObjectOptions = new PutObjectOptions(multipartFile.getSize(), PutObjectOptions.MIN_MULTIPART_SIZE);
// 文件的ContentType
putObjectOptions.setContentType(multipartFile.getContentType());
minioClient.putObject(this.bucket, fileName, inputStream, putObjectOptions);
// 返回访问路径
return this.url + UriUtils.encode(fileName, StandardCharsets.UTF_8);
}
}
/**
* 文件下载
*/
public void download(String fileName, HttpServletResponse response){
// 从链接中得到文件名
InputStream inputStream;
try {
MinioClient minioClient = new MinioClient(host, accessKey, secretKey);
ObjectStat stat = minioClient.statObject(bucket, fileName);
inputStream = minioClient.getObject(bucket, fileName);
response.setContentType(stat.contentType());
response.setCharacterEncoding("UTF-8");
response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
IOUtils.copy(inputStream, response.getOutputStream());
inputStream.close();
} catch (Exception e){
e.printStackTrace();
System.out.println("有异常：" + e);
}
}
/**
* 列出所有存储桶名称
*
* @return
* @throws Exception
*/
public List listBucketNames()
throws Exception {
List bucketList = listBuckets();
List bucketListName = new ArrayList<>();
for (Bucket bucket : bucketList) {
bucketListName.add(bucket.name());
}
return bucketListName;
}
/**
* 查看所有桶
*
* @return
* @throws Exception
*/
public List listBuckets()
throws Exception {
return minioClient.listBuckets();
}
/**
* 检查存储桶是否存在
*
* @param bucketName
* @return
* @throws Exception
*/
public boolean bucketExists(String bucketName) throws Exception {
boolean flag = minioClient.bucketExists(bucketName);
if (flag) {
return true;
}
return false;
}
/**
* 创建存储桶
*
* @param bucketName
* @return
* @throws Exception
*/
public boolean makeBucket(String bucketName)
throws Exception {
boolean flag = bucketExists(bucketName);
if (!flag) {
minioClient.makeBucket(bucketName);
return true;
} else {
return false;
}
}
/**
* 删除桶
*
* @param bucketName
* @return
* @throws Exception
*/
public boolean removeBucket(String bucketName)
throws Exception {
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(bucketName);
flag = bucketExists(bucketName);
if (!flag) {
return true;
}
}
return false;
}
/**
* 列出存储桶中的所有对象
*
* @param bucketName 存储桶名称
* @return
* @throws Exception
*/
public Iterable
> listObjects(String bucketName) throws Exception {
boolean flag = bucketExists(bucketName);
if (flag) {
return minioClient.listObjects(bucketName);
}
return null;
}
/**
* 列出存储桶中的所有对象名称
*
* @param bucketName 存储桶名称
* @return
* @throws Exception
*/
public List listObjectNames(String bucketName) throws Exception {
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;
}
/**
* 删除一个对象
*
* @param bucketName 存储桶名称
* @param objectName 存储桶里的对象名称
* @throws Exception
*/
public boolean removeObject(String bucketName, String objectName) throws Exception {
boolean flag = bucketExists(bucketName);
if (flag) {
List
objectList = listObjectNames(bucketName);
for (String s : objectList) {
if(s.equals(objectName)){
minioClient.removeObject(bucketName, objectName);
return true;
}
}
}
return false;
}
/**
* 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
* @throws Exception
*/
public String getObjectUrl(String bucketName, String objectName) throws Exception {
boolean flag = bucketExists(bucketName);
String url = "";
if (flag) {
url = minioClient.getObjectUrl(bucketName, objectName);
}
return url;
}
}
8、新建controller
package com.xxx.controller;
import com.xxx.config.MinioConfig;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
@RestController
@CrossOrigin
@RequestMapping("/test")
public class MinioController {
@Autowired
private MinioConfig minioConfig;
// 上传
@PostMapping("/upload")
public Object upload(@RequestParam("file") MultipartFile multipartFile) throws Exception {
return this.minioConfig.putObject(multipartFile);
}
// 下载文件
@GetMapping("/download")
public void download(@RequestParam("fileName")String fileName, HttpServletResponse response) {
this.minioConfig.download(fileName,response);
}
// 列出所有存储桶名称
@PostMapping("/list")
public List list() throws Exception {
return this.minioConfig.listBucketNames();
}
// 创建存储桶
@PostMapping("/createBucket")
public boolean createBucket(String bucketName) throws Exception {
return this.minioConfig.makeBucket(bucketName);
}
// 删除存储桶
@PostMapping("/deleteBucket")
public boolean deleteBucket(String bucketName) throws Exception {
return this.minioConfig.removeBucket(bucketName);
}
// 列出存储桶中的所有对象名称
@PostMapping("/listObjectNames")
public List listObjectNames(String bucketName) throws Exception {
return this.minioConfig.listObjectNames(bucketName);
}
// 删除一个对象
@PostMapping("/removeObject")
public boolean removeObject(String bucketName, String objectName) throws Exception {
return this.minioConfig.removeObject(bucketName, objectName);
}
// 文件访问路径
@PostMapping("/getObjectUrl")
public String getObjectUrl(String bucketName, String objectName) throws Exception {
return this.minioConfig.getObjectUrl(bucketName, objectName);
}
}
9、项目整体页面展示
