使用ajax提交按钮在表单中进行Drupal 8批处理

name: 'My Module'
description: 'Custom module for batch processing in Drupal 8'
type: module
package: Custom
core_version_requirement: ^8 || ^9
dependencies:
  - drupal:core

namespace Drupal\my_module\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;

class MyModuleForm extends FormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'my_module_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form['actions']['submit'] = [
      '#type' => 'submit',
      '#value' => $this->t('Submit'),
      '#ajax' => [
        'callback' => '::submitFormAjax',
        'event' => 'click',
      ],
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    // 执行批处理操作的代码
  }

  /**
   * Ajax回调函数。
   */
  public function submitFormAjax(array &$form, FormStateInterface $form_state) {
    $response = new AjaxResponse();
    
    // 执行批处理操作的代码

    return $response;
  }
}

my_module.form:
  path: '/my-module/form'
  defaults:
    _form: '\Drupal\my_module\Form\MyModuleForm'
    _title: 'My Module Form'
  requirements:
    _permission: 'access content'