public void delete(ActionEvent event) {
    ToolsTray bandeja = (ToolsTray) toolTable.getSelectionModel().getSelectedItem();
    if (null != bandeja && null != bandeja.getId()) {
      Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
      alert.setTitle("删除提醒");
      alert.setHeaderText(null);
      alert.setContentText("确定删除:" + bandeja.getTrayName());

      Optional<ButtonType> result = alert.showAndWait();

      if (result.get() == ButtonType.OK) {
        dao.delete(ToolsTray.class, bandeja.getId());
        tipsLabel.setText("删除成功:" + bandeja.getTrayName());
        refresh(null);
      }
    }
  }
 private void modifyPlan(ToolsTray bandeja) {
   tipsLabel.setText("修改任务中:" + bandeja.getTrayName());
   id = bandeja.getId();
   nameField.setText(bandeja.getTrayName());
   commandText.setText(bandeja.getCommand());
 }