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我使用 Field API 创建了以下字段(作为示例),效果很好。由于我想添加自动完成功能(已经工作,此处未显示)以及从变量设置默认值$_POST,我开始使用hook_form_alter.

更改字段就像一个魅力,该字段将不再保存到节点,甚至出现在节点编辑表单的不同位置。

<?php
  function trian_portal_enable() {
    // create assigned License field
    if (!field_info_field('field_assigned_license')){
      $field = array(
        'field_name' => 'field_assigned_license',
        'type' => 'text',
        'cardinality' => 1,
      );
      field_create_field($field);

      $instance = array(
          'field_name' => 'field_assigned_license',
          'entity_type' => 'node',
          'label' => t('Assigned License'),
          'bundle' => 'kunden_download',
          'description' => t('Enter License assigned to this download'),
          'required' => FALSE,
          'settings' => array(
             // Here you inform either or not you want this field showing up on the user profile edit form.
              'kunden_download_node_form' => 1,
          ),
          'widget' => array(
              'type' => 'textfield',
          ),
        );
        field_create_instance($instance);
    }
  }

  function trian_portal_form_alter(&$form, $form_state, $form_id) {


    if ($form_id == 'kunden_download_node_form') {


      $form['field_assigned_license'] = array(
        '#title' => t('Assigned Licence'),
        '#type' => 'textfield',
        '#default_value' => ($_REQUEST['lid']) ? $_REQUEST['lid']: '',
        '#required' => ($_REQUEST['lid']) ? 1:0,
      );

    }
  }
?>
4

1 回答 1

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很棒的#drupal chanel给了我答案(感谢@graper =))

问题是:

$form['field_assigned_license'] = array(
        '#title' => t('Assigned Licence'),
        '#type' => 'textfield',
        '#default_value' => ($_REQUEST['lid']) ? $_REQUEST['lid']: '',
        '#required' => ($_REQUEST['lid']) ? 1:0,
      );

基本上会覆盖保存在$form['field_assigned_license']. 正确的方法是只覆盖我想要的某个参数,例如,$form['field_assigned_customer']['und'][0]['value']['#default_value']或者将原始数组与调整合并。

于 2017-01-06T15:39:40.580 回答