1

我正在处理一个奇怪的问题。我有Config模型,以及这些关联:

var $belongsTo = array(
    'Language' => array(
        'className' => 'Language',
        'foreignKey' => 'default_language',
        'conditions' => '',
        'fields' => '',
        'order' => ''
    ),
    'Webmaster' => array(
        'className' => 'User',
        'foreignKey' => 'webmaster',
        'conditions' => '',
        'fields' => '',
        'order' => ''
    ),
    'Group' => array(
        'className' => 'Group',
        'foreignKey' => 'default_group',
        'conditions' => '',
        'fields' => '',
        'order' => ''
    ),
);

在我ConfigsControlleredit()行动中:

function edit($id = null) {
    if (!$id && empty($this->data)) {
        $this->Session->setFlash(__('Invalid config', true));
        $this->redirect(array('action' => 'index'));
    }
    if (!empty($this->data)) {
        if ($this->Config->save($this->data)) {
            $this->Session->setFlash(__('The config has been saved', true));
            $this->redirect(array('action' => 'index'));
        } else {
            $this->Session->setFlash(__('The config could not be saved. Please, try again.', true));
        }
    }
    if (empty($this->data)) {
        $this->data = $this->Config->read(null, $id);
    }
    $languages = $this->Config->Language->find('list');
    $webmasters = $this->Config->Webmaster->find('list');
    $groups = $this->Config->Group->find('list');
    $this->set(compact('languages', 'groups', 'webmasters'));
}

在我edit.ctp看来,我有:

echo $this->Form->input('Language');
echo $this->Form->input('Webmaster');
echo $this->Form->input('Group');

现在,问题出现了:该组已正确选择,但其他两个(网站管理员和语言)在第一个选项上被重置,没有 selected属性,并且作为“奖励”,语言选择显示此错误:Notice (8): Uninitialized string offset: 0 [CORE/cake/libs/view/helper.php, line 859]

我挣扎了将近 2 个小时,找不到这个奇怪问题的问题。请你帮助我好吗?谢谢!

编辑

这是调试器显示的内容:

Helper::__selectedArray() - CORE/cake/libs/view/helper.php, line 859

Helper::value() - CORE/cake/libs/view/helper.php,第 712 行 Helper::_initInputField() - CORE/cake/libs/view/helper.php,第 753 行 FormHelper::_initInputField() - CORE /cake/libs/view/helpers/form.php,第 2182 行 FormHelper::select() - CORE/cake/libs/view/helpers/form.php,第 1438 行 FormHelper::input() - CORE/cake/libs /view/helpers/form.php,第 882 行包括 - APP/views/configs/edit.ctp,第 10 行 View::_render() - CORE/cake/libs/view/view.php,第 723 行 View::render () - CORE/cake/libs/view/view.php,第 419 行 Controller::render() - CORE/cake/libs/controller/controller.php,第 913 行 Dispatcher::_invoke() - CORE/cake/dispatcher .php,第 207 行 Dispatcher::dispatch() - CORE/cake/dispatcher.php,第 171 行 [main] - APP/webroot/index.php,第 83 行

在“代码”选项卡中:

 if (!empty($data)) {
        foreach ($data as $var) {
            $array[$var[$key]] = $var[$key];
4

1 回答 1

1

您可以在视图中使用以下代码:

echo $this->Form->input('default_language', array('options' => $languages));
echo $this->Form->input('webmaster', array('options' => $webmasters));
echo $this->Form->input('default_group', array('options' => $groups));

这将为每个创建一个“选择”下拉菜单,并将它们与相关字段正确关联。

于 2010-12-13T02:44:23.013 回答