java 上传图片文件给前端

/**
 * 查询对象
 */
@GetMapping("/getImage")
@ApiOperationSupport(order = 1)
@ApiOperation(value = "上传图片", notes = "保存本地")
public R getImg(String jobId, HttpServletResponse response) throws IOException {

    //region 上传图片给前端
    File file = new File(supperMapper.selectImageAddr(jobId));
    byte[] bytes = new byte[1024];
    try (OutputStream os = response.getOutputStream();
    FileInputStream fis = new FileInputStream(file)){
       while((fis.read(bytes))!=-1){
          os.write(bytes);
          os.flush();;
       }
    }catch (IOException e){
       log.info(e.getMessage());
    }

    return R.success("OK");

    //endregion

}