上传图片压缩包，解压到指定路径

	@RequestMapping(value = "/uploadQrcodeZip", method = RequestMethod.POST)
    @ResponseBody
    @RequiresPermissions("system:userExtend:importUserData")
    public ViewMessage uploadQrcodeZip(HttpServletRequest request, 		 @RequestParam("importFile") MultipartFile importFile) throws Exception {
        File file = new File(request.getServletContext().getRealPath("/static/qr/"));
        System.out.println(file.getAbsolutePath());
        if (!file.exists()) {
            file.mkdirs();
        }
        File unzipDir = new File(file, UUID.randomUUID().toString());
        cn.hutool.core.util.ZipUtil.unzip(importFile.getInputStream(), unzipDir, Charset.forName("GBK"));
        moveFileToDir(unzipDir, file);
        FileUtils.deleteDirectory(unzipDir);
        return ViewMessage.createSuc("导入成功");
    }

    private void moveFileToDir(File file, File destPath) throws IOException {
        if (file.isFile()) {
            File qrFile = new File(destPath, file.getName().toLowerCase());
            if (qrFile.exists()) {
                FileUtils.deleteQuietly(qrFile);
            }
            FileUtils.moveFileToDirectory(file,destPath,false);
            String fileName = file.getName();
            String extName = FilenameUtils.getExtension(fileName).toLowerCase();
            if (!fileName.endsWith(extName)) {
                File tempFile = new File(destPath,file.getName() + ".bak");
                FileUtils.moveFile(new File(destPath, file.getName()), tempFile);
                FileUtils.moveFile(tempFile, new File(destPath,FilenameUtils.getBaseName(fileName) + "." + extName));
            }
        } else {
            for (File f : file.listFiles()){
                moveFileToDir(f, destPath);
            }
        }

    }