一、安装minio

1.1、创建文件夹，并在指定文件夹中下载minio文件

cd /opt
mkdir minio
cd minio
touch minio.log
wget https://dl.minio.io/server/minio/release/linux-amd64/minio

1.2、赋予minio文件执行权限

chmod 777 minio

1.3、启动minio

./minio server /opt/minio/data （/opt/minio/data 为你存放静态文件的目录）

1.4、修改环境变量

因为系统不想让你使用默认的账号以及密码， 需要我们手动进行修改

vim /etc/profile

在文章最尾出添加上

# set minio environment
export MINIO_ROOT_USER=administrator
export MINIO_ROOT_PASSWORD=administrator

1.5、指定端口启动minio服务

因为启动minio服务对外跳转端口是随机的，但是我们通过访问minio不能每次都调整端口，所以需要我们进行

./minio server /opt/minio/data --console-address ":35555"

1.6、访问界面

这个桶文件列表使我们使用的重中之重的东西

二、Springboot整合Minio

Minio中文官网使用教程

2.1、引入maven的SDK文件

<dependency>
    <groupId>io.minio</groupId>
    <artifactId>minio</artifactId>
    <version>7.0.2</version>
</dependency>

2.2、创建minio工具类，并且注入到bean中

package com.china.upload.config;

import io.minio.MinioClient;
import io.minio.PutObjectOptions;
import io.minio.Result;
import io.minio.messages.Bucket;
import io.minio.messages.Item;
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 java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;


@Component
public class MinioHelper 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
     *
     * @param multipartFile
     * @return
     * @throws Exception
     */
    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);
        }
    }

    /**
     * 列出所有存储桶名称
     *
     * @return
     * @throws Exception
     */
    public List<String> listBucketNames()
            throws Exception {
        List<Bucket> bucketList = listBuckets();
        List<String> bucketListName = new ArrayList<>();
        for (Bucket bucket : bucketList) {
            bucketListName.add(bucket.name());
        }
        return bucketListName;
    }

    /**
     * 查看所有桶
     *
     * @return
     * @throws Exception
     */
    public List<Bucket> 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<Result<Item>> myObjects = listObjects(bucketName);
            for (Result<Item> 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<Result<Item>> 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<String> listObjectNames(String bucketName) throws Exception {
        List<String> listObjectNames = new ArrayList<>();
        boolean flag = bucketExists(bucketName);
        if (flag) {
            Iterable<Result<Item>> myObjects = listObjects(bucketName);
            for (Result<Item> 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) {
            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;
    }

}

2.3 引入yml文件配置

# 引入minio配置文件
minio:
  bucket: video
  host: http://192.168.100.232:9000
  url: ${minio.host}/${minio.bucket}/
  access-key: administrator
  secret-key: administrator

2.4 测试添加上传接口

@GetMapping(value = "/test")
public CommonResponse test() throws Exception {
    return CommonResponseFactory.getInstance().success(minioHelper.listBuckets());
}

@PostMapping(value = "/upload")
public CommonResponse upload(@RequestParam("file") MultipartFile multipartFile) throws Exception{
    String s = minioHelper.putObject(multipartFile);
    return CommonResponseFactory.getInstance().success(s);
}