我有以下名为'findreseller.php'
的视图:
<?php
$countries = CHtml::listData(Country::model()->findAll(), 'id', 'name');
echo CHtml::dropdownlist('find_reseller', '', $countries,
array('ajax'=>array(
'type'=>'POST',
'url'=>Yii::app()->getController()->createAbsoluteUrl('/webcare/reseller/loadAjaxData'),
'update' =>'#data',
)
)
);
?>
<div id="data">
<?php $this->renderPartial('_ajaxContent', array('dataProvider'=>$dataProvider))?>
</div>
_ajaxContent只是回应结果,没有什么特别的...... 您可以看到下拉列表是使用CHtml生成的,因为我不需要表单。我只需要一个onChange事件来做某事......
根据后面的代码,'/webcare/reseller/loadAjaxData'
我有:
public function actionLoadAjaxData() {
$country = $_POST['find_reseller'];
//do something...
$dataProvider=new CArrayDataProvider($country_reseller);
$this->render('findreseller', array('dataProvider' => $dataProvider));
}
我可以说我错过了什么,但我不确定到底是什么。
像这样修改:
<?php
//CHtml::form();
$countries = CHtml::listData(Country::model()->findAll(), 'id', 'name');
echo CHtml::dropdownlist('find_reseller', '', $countries,
array(
'ajax' => array(
'type'=>'POST', //request type
'url'=>CController::createUrl('/webcare/reseller/loadAjaxData'), //url to call.
//Style: CController::createUrl('currentController/methodToCall')
'update'=>'#city_id', //selector to update
'data'=>'js: $(this).val()',
//leave out the data key to pass all form values through
)
)
);
//empty since it will be filled by the other dropdown
echo CHtml::dropDownList('city_id','', array());
//CHtml::endForm();
?>
<div id="data">
<?php $this->renderPartial('_ajaxContent', array('dataProvider'=>$dataProvider))?>
</div>
现在我明白了:
我有以下控制器操作:
public function actionLoadAjaxData() {
$country = $_POST['country_id'];
...
$dataProvider=new CArrayDataProvider($country_reseller);
$data = User::model()->findAll('country_id=:country_id AND reseller=:reseller',
array(':country_id'=>(int) $_POST['country_id'], ':reseller'=>1));
$data=CHtml::listData($data,'city','city');
foreach($data as $value=>$name)
{
echo CHtml::tag('option',
array('value'=>$value),CHtml::encode($name),true);
}
$this->render('action_name', array('dataProvider' => $dataProvider));
}
如果我在actionLoadAjaxData()中写一个骰子,就在开头,方法加载正常,操作正常,服务器回答200.