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2024-03-07 8af76e086fab5fc346e0431d18797c1ff82af8dc

 dujy-modules/dujy-demo/src/main/java/org/dromara/demo/util/MinioUtil.java

@@ -1,238 +1,128 @@
package org.dromara.demo.util;


import io.minio.*;
import io.minio.messages.DeleteError;
import io.minio.messages.DeleteObject;
import io.minio.messages.Item;
import org.apache.commons.compress.utils.IOUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import cn.hutool.core.util.IdUtil;
import io.minio.MinioClient;
import io.minio.PutObjectOptions;
import jakarta.annotation.PostConstruct;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.dromara.demo.domain.MinioResult;
import org.dromara.demo.exception.UploadFailException;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import java.io.ByteArrayInputStream;

/**
 * @description： minio工具类
 * @version
 * @author gonghl
 * @date 2024-3-6
 */
@Component
@ConfigurationProperties(prefix = "minio")
@Slf4j
@Data
public class MinioUtil {
    @Autowired
    private MinioClient minioClient;

    @Value("${minio.bucketName}")
    private String bucketName;
    /**
     * description: 判断bucket是否存在，不存在则创建
     *
     * @return: void
     */
    public void existBucket(String name) {

    private String url;
    private String accessKey;
    private String secretKey;
    private MinioClient client;


    public MinioResult uploadFile(MultipartFile file, String bucketName) {
        try {
            boolean exists = minioClient.bucketExists(BucketExistsArgs.builder().bucket(name).build());
            if (!exists) {
                minioClient.makeBucket(MakeBucketArgs.builder().bucket(name).build());
            if (!client.bucketExists(bucketName)) {
                client.makeBucket(bucketName);
                client.setBucketPolicy(bucketName, "public");
            }

            String[] split = file.getOriginalFilename().split("\\.");
            String suffix = split[split.length - 1];

            if (split.length < 2) {
                suffix = "";
            }

            String fileName = StringUtils.join(IdUtil.randomUUID(), ".", suffix);

            client.putObject(bucketName, fileName, file.getInputStream(), new PutObjectOptions(file.getSize(), 5 * 1024 * 1024));
            String fileUrl = getFilePath(bucketName, fileName);
            if (StringUtils.isNotBlank(fileUrl)) {
                return new MinioResult(bucketName, fileName, fileUrl, file.getOriginalFilename(), null);
            }
        } catch (Exception e) {
            e.printStackTrace();
            log.error("上传失败,失败详情信息:{}", e.getMessage());
            throw new UploadFailException();
        }
        return null;

    }

    /**
     * 创建存储bucket
     * @param bucketName 存储bucket名称
     * @return Boolean
     */
    public Boolean makeBucket(String bucketName) {
    public MinioResult uploadFile(ByteArrayInputStream in, String name, String bucketName) {

        String[] split = name.split("\\.");
        String suffix = split[split.length - 1];
        if (split.length < 2) {
            suffix = "";
        }
        String fileName = StringUtils.join(IdUtil.randomUUID(), ".", suffix);
        try {
            minioClient.makeBucket(MakeBucketArgs.builder()
                .bucket(bucketName)
                .build());
            client.putObject(bucketName, fileName, in, new PutObjectOptions(in.available(), 5 * 1024 * 1024));
            String fileUrl = getFilePath(bucketName, fileName);
            if (StringUtils.isNotBlank(fileUrl)) {
                return new MinioResult(bucketName, fileName, fileUrl, name, null);
            }
        } catch (Exception e) {
            e.printStackTrace();
            return false;
            log.error("上传失败,失败详情信息:{}", e.getMessage());
            throw new UploadFailException();
        }
        return true;

        return null;

    }

    /**
     * 删除存储bucket
     * @param bucketName 存储bucket名称
     * @return Boolean
     */
    public Boolean removeBucket(String bucketName) {
    public String uploadImage(ByteArrayInputStream in, String bucketName) {
        try {
            minioClient.removeBucket(RemoveBucketArgs.builder()
                .bucket(bucketName)
                .build());
            String fileName = IdUtil.randomUUID() + ".jpg";
            client.putObject(bucketName, fileName, in, new PutObjectOptions(in.available(), 5 * 1024 * 1024));
            String fileUrl = getFilePath(bucketName, fileName);
            if (StringUtils.isNotBlank(fileUrl)) {
                return fileUrl;
            }
        } catch (Exception e) {
            e.printStackTrace();
            return false;
            log.error("上传失败,失败详情信息:{}", e.getMessage());
            throw new UploadFailException();
        }
        return true;
    }
    /**
     * description: 上传文件
     *
     * @param multipartFile
     * @return: java.lang.String

     */
    public List<String> uploads(MultipartFile[] multipartFile) {
        List<String> names = new ArrayList<>(multipartFile.length);
        for (MultipartFile file : multipartFile) {
            String fileName = file.getOriginalFilename();
            String[] split = fileName.split("\\.");
            if (split.length > 1) {
                fileName = split[0] + "_" + System.currentTimeMillis() + "." + split[1];
            } else {
                fileName = fileName + System.currentTimeMillis();
            }
            InputStream in = null;
            try {
                in = file.getInputStream();
                minioClient.putObject(PutObjectArgs.builder()
                    .bucket(bucketName)
                    .object(fileName)
                    .stream(in, in.available(), -1)
                    .contentType(file.getContentType())
                    .build()
                );
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                if (in != null) {
                    try {
                        in.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
            names.add(fileName);
        }
        return names;
        return null;

    }

    /**
     * 上传单个文件
     * @param multipartFile
     * @return
     */
    public String upload(MultipartFile multipartFile) {

            String fileName = multipartFile.getOriginalFilename();
            String[] split = fileName.split("\\.");
            if (split.length > 1) {
                fileName = split[0] + "_" + System.currentTimeMillis() + "." + split[1];
            } else {
                fileName = fileName + System.currentTimeMillis();
            }
            InputStream in = null;
            try {
                in = multipartFile.getInputStream();
                minioClient.putObject(PutObjectArgs.builder()
                    .bucket(bucketName)
                    .object(fileName)
                    .stream(in, in.available(), -1)
                    .contentType(multipartFile.getContentType())
                    .build()
                );
            } catch (Exception e) {
                e.printStackTrace();
            } finally {
                if (in != null) {
                    try {
                        in.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }

        return fileName;
    }

    /**
     * description: 下载文件
     *
     * @param fileName
     * @return: org.springframework.http.ResponseEntity<byte [ ]>
     */
    public ResponseEntity<byte[]> download(String fileName) {
        ResponseEntity<byte[]> responseEntity = null;
        InputStream in = null;
        ByteArrayOutputStream out = null;
    public String getFilePath(String bucketName, String fileName) {
        String wordUrl = null;
        try {
            in = minioClient.getObject(GetObjectArgs.builder().bucket(bucketName).object(fileName).build());
            out = new ByteArrayOutputStream();
            IOUtils.copy(in, out);
            //封装返回值
            byte[] bytes = out.toByteArray();
            HttpHeaders headers = new HttpHeaders();
            try {
                headers.add("Content-Disposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            if (client.getObject(bucketName, fileName) == null) {
                return null;
            }
            headers.setContentLength(bytes.length);
            headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
            headers.setAccessControlExposeHeaders(Arrays.asList("*"));
            responseEntity = new ResponseEntity<byte[]>(bytes, headers, HttpStatus.OK);

            return StringUtils.join("/", bucketName, "/", fileName);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (in != null) {
                    try {
                        in.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
                if (out != null) {
                    out.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
            log.error("获取bucket为:{},文件名为{}时出错,原因:{}", bucketName, fileName, e.getMessage());
        }
        return responseEntity;

        return null;
    }

    /**
     * 查看文件对象
     * @param bucketName 存储bucket名称
     * @return 存储bucket内文件对象信息
     */

    @PostConstruct
    public void creatConnect() throws Exception {
        this.client = new MinioClient(url, accessKey, secretKey);


    /**
     * 批量删除文件对象
     * @param bucketName 存储bucket名称
     * @param objects 对象名称集合
     */
    public Iterable<Result<DeleteError>> removeObjects(String bucketName, List<String> objects) {
        List<DeleteObject> dos = objects.stream().map(e -> new DeleteObject(e)).collect(Collectors.toList());
        Iterable<Result<DeleteError>> results = minioClient.removeObjects(RemoveObjectsArgs.builder().bucket(bucketName).objects(dos).build());
        return results;
    }


}