java 获取前端上传的图片文件

/**
 * 获取上传图片
 */
@PostMapping("/getImage")
@ApiOperationSupport(order = 1)
@ApiOperation(value = "获取图片", notes = "保存本地")
public R Stringuploadtaskpic(MultipartFile multipartFile, String jobId, HttpServletRequest request) throws IOException {

    //region 获取上传图片
    String fileName = multipartFile.getOriginalFilename();
    System.out.println("完整文件名 = " + fileName);
    InputStream inputStream = null;
    FileOutputStream fileOut = null;
    String UUID = StringUtil.getUUID();
    String FilePath = null;
    if (fileName != null) {
       FilePath = LauncherConstant.IMAGE_FILE_ADDR + UUID + fileName.substring(fileName.lastIndexOf("."));
    }
    try {
       inputStream = multipartFile.getInputStream();
       if (FilePath != null) {
          fileOut = new FileOutputStream(FilePath);
       }else return R.success("已存在该文件");
       IOUtils.copy(inputStream, fileOut);
       String originalFilePath = supperMapper.selectImageAddr(jobId);
       if (originalFilePath == null) {
          supperMapper.insertImageAddr(jobId, FilePath);
       } else {
          File file = new File(originalFilePath);
          if (file.exists() && file.isFile()) {
             boolean flag = file.delete();
             if (flag) {
                supperMapper.updateImageAddr(jobId, FilePath);
             } else return R.success("上传出错，请重新上传");
          }
       }
       if (fileOut != null) {
          fileOut.flush();
       }
    } catch (IOException e) {
       log.info(e.getMessage());
    } finally {
       try {
          if (inputStream != null) {
             inputStream.close();
          }
          if (fileOut != null) {
             fileOut.close();
          }
       } catch (IOException e) {
          log.info(e.getMessage());
       }
    }
    return R.success(jobId + "-" + UUID);
    //endregion

}