我正在处理一个奇怪的问题。
我有Config
模型以及这些关联:
var $belongsTo = array(
'Language' => array(
'className' => 'Language',
'foreignKey' => 'default_language',
'conditions' => '',
'fields' => '',
'order' => ''
),
'Webmaster' => array(
'className' => 'User',
'foreignKey' => 'webmaster',
'conditions' => '',
'fields' => '',
'order' => ''
),
'Group' => array(
'className' => 'Group',
'foreignKey' => 'default_group',
'conditions' => '',
'fields' => '',
'order' => ''
),
);
在我的ConfigsController
我有edit()
动作:
function edit($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edit.ctp
视图中,我有:
echo $this->Form->input('Language');
echo $this->Form->input('Webmaster');
echo $this->Form->input('Group');
现在,问题是:该组已正确选中,但其他两个(网站管理员和语言)在第一个选项上重置,具有否 selected
属性,并且“奖励”,语言选择显示此错误:Notice (8): Uninitialized string offset: 0 [CORE/cake/libs/view/helper.php, line 859]
我挣扎了近2个小时,无法找到这个奇怪问题的问题。请你帮助我好吗?谢谢!
修改
这是调试器显示的内容:
Helper::__selectedArray() - CORE/cake/libs/view/helper.php, line 859
Helper :: value() - CORE / cake / libs / view / helper.php,第712行 Helper :: _ initInputField() - CORE / cake / libs / view / helper.php,第753行 FormHelper :: _ initInputField() - CORE / cake / libs / view / helpers / form.php,第2182行 FormHelper :: select() - CORE / cake / libs / view / helpers / form.php,第1438行 FormHelper :: input() - CORE / cake / libs / view / helpers / form.php,第882行 包括 - APP / views / configs / edit.ctp,第10行 View :: _ render() - CORE / cake / libs / view / view.php,第723行 View :: render() - CORE / cake / libs / view / view.php,第419行 Controller :: render() - CORE / cake / libs / controller / controller.php,第913行 Dispatcher :: _ invoke() - CORE / cake / dispatcher.php,第207行 Dispatcher :: dispatch() - CORE / cake / dispatcher.php,第171行 [主要] - APP / webroot / index.php,第83行
在“代码”标签中:
if (!empty($data)) {
foreach ($data as $var) {
$array[$var[$key]] = $var[$key];
答案 0 :(得分: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));
这将为每个下拉列表创建一个“选择”下拉列表,并将它们与相关字段正确关联。