Detailed explanation of the steps to process compressed files in Java

	@Autowired
    private ZipService zipService;

    /**
      * Upload QR code file
      * @param qrCodeFile QR code file
      * @return Return the uploaded result
      */
    @ApiOperation(value = "Upload QR code file")
    @PostMapping("/uploadQrCodeFile")
    public Result uploadQrCodeFile(@RequestParam("file") MultipartFile qrCodeFile) throws Exception {
        (qrCodeFile);
        return ("Uploaded successfully");
    }

@Service
public class ZipService {


    private static final Logger logger= ();


    public void uploadQrCodeFile(MultipartFile multipartFile)throws Exception {
        if (() == 0
                || () == null
                || (() != null
                && !().contains("."))) {
            (("The file format is incorrect or the file is empty!"));
        }
        // 1. Download the file to the local area first        String originalFilename = ();
        String destPath = ("") +  + "qrCodeFile";
        (
                (), new File(destPath +  + originalFilename));

        // 2. Unzip the file        unzipAndSaveFileInfo(originalFilename, destPath);
        // 3. Back up the compressed file and delete the unzipped directory        (
                new File(destPath +  + originalFilename),
                new File(destPath +  + "backup" +  + originalFilename));
        // Delete the original uploaded temporary compressed package        (new File(destPath +  + originalFilename));
        ("File upload successfully，The file name is:{}", originalFilename);


    }

    /**
      * Unzip and save file information
      *
      * @param originalFilename Source file name
      * @param destPath Destination path
      */
    private void unzipAndSaveFileInfo(String originalFilename, String destPath) throws IOException {
        if ((originalFilename) || !(".")) {
            (("Error file name!"));
        }
        // Compression        (
                new File(destPath +  + originalFilename),
                new File(destPath),
                ("GBK"));
        // traverse file information        String fileName = (0, ("."));
        File[] files = (destPath +  + fileName);
        if ( == 0) {
            (("Upload file is empty!"));
        }
        String targetPath = destPath +  + "images";
        for (File file : files) {
            // Copy the file to the specified directory            String saveFileName =
                    () + new SecureRandom().nextInt(100) + ();
            (file, new File(targetPath +  + saveFileName));
            ("File Name:"+());
            ("Directory address of the file:"+saveFileName);
            ("Directory address of the file:"+targetPath +  + saveFileName);
        }
    }
}

#### upload begin  ###
=true
-request-size=10MB
-file-size=10MB
#### upload end  ###

<!-- /artifact//commons-compress -->
<dependency>
    <groupId></groupId>
    <artifactId>commons-compress</artifactId>
    <version>1.20</version>
</dependency>

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       // File path        String sourcePath = "D:\\";
        // Directory to be unzipped        String extractPath = "D:\\test\\daleyzou";
        File sourceFile = new File(sourcePath);
        // decompressing *. files to tar
        TarArchiveInputStream fin = new TarArchiveInputStream(new GzipCompressorInputStream(new FileInputStream(sourceFile)));
        File extraceFolder = new File(extractPath);
        TarArchiveEntry entry;
        // Unzip the tar file into the extractPath directory        while ((entry = ()) != null) {
            if (()) {
                continue;
            }
            File curfile = new File(extraceFolder, ());
            File parent = ();
            if (!()) {
                ();
            }
            // Write the file to the decompressed directory            (fin, new FileOutputStream(curfile));
        }