将文件获取后压缩在服务器

rain

2024-07-22 43b6292b4b2810560bbf2d22c96bd44c11d4160b

 src/main/java/com/dji/sample/media/service/impl/FileServiceImpl.java

@@ -22,6 +22,7 @@
import com.dji.sample.media.model.*;
import com.dji.sample.media.service.IFileService;
import com.dji.sample.media.util.ImgUtil;
import com.dji.sample.media.util.MinioFileDownloader;
import com.dji.sample.patches.dao.GetPatchesMapper;
import com.dji.sample.patches.model.entity.LotInfo;
import com.dji.sample.patches.utils.DistrictCodeUtils;
@@ -432,26 +433,35 @@
    }

    @Override
    public void downloadImages(String jobId, HttpServletResponse response) {
        String address = pojo.getEndpoint() + "/" + pojo.getBucket();
        List<MediaFileEntity> entities = getMedia(jobId);
        List<String> urls = entities.stream()
                .map(MediaFileEntity::getObjectKey)
                .map(objectKey -> address + objectKey)
                .collect(Collectors.toList());
        String outputFolder = "images"; // 存放图片的文件夹
        new File(outputFolder).mkdirs(); // 创建文件夹
    public ResponseResult downloadImages(List<String> jobIds) {
        try {
            downloadAndSaveImages(urls, outputFolder);
            zipAndSendFolder(outputFolder, response);
            String bucketPath = "/data/software/minio-data/cloud-bucket/";
            List<String> prefixes = getUniqueFilePaths(jobIds);

            MinioFileDownloader downloader = new MinioFileDownloader(bucketPath);

            // 下载并压缩文件到本地目录
            String localSaveDir = "/data/software/minio-data/zip-bucket/"; // 修改为你想保存的本地目录
            downloader.downloadAndZipFolders(prefixes, localSaveDir);

            System.out.println("压缩文件已保存到：" + localSaveDir);

        } catch (Exception e) {
            e.printStackTrace();
            response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        } finally {
            cleanUp(outputFolder);
            return ResponseResult.error("下载失败"+e.getMessage());
        }
        return ResponseResult.success("下载成功");
    }

    @Override
    public List<String> getUniqueFilePaths(List<String> jobIds) {
        return mapper.selectList(
                        new LambdaQueryWrapper<MediaFileEntity>()
                                .in(MediaFileEntity::getJobId, jobIds))
                .stream()
                .map(MediaFileEntity::getFilePath)
                .distinct()
                .collect(Collectors.toList());
    }
    @Override
    public List<MediaFileDTO> getFilesByWorkspaceAndJobId(String workspaceId, String jobId) {
        return mapper.selectList(new LambdaQueryWrapper<MediaFileEntity>()