code: public JSONObject tableRecognizeToJson(String imgPath, long timeoutMiliseconds) {
          try {
              byte[] imgData = Util.readFileByBytes(imgPath);
              return tableRecognizeToJson(imgData, timeoutMiliseconds);
          } catch (IOException e) {
              e.printStackTrace();
              return AipError.IMAGE_READ_ERROR.toJsonResult();
          }
      }
docs: 表格识别接口，返回json结果
  @param imgPath 识别图片路径
  @param timeoutMiliseconds 等待超时(ms)
  @return json格式识别结果