我让它像这样工作并且工作正常。
查看文件包含
<?= $this->Form->input('categories', ['options' => $categories, 'empty' => 'Select', 'id' => 'categories']) ?>
<?= $this->Form->input('subcategory_id', ['type' => 'select', 'id' => 'subcategories]) ?>
和myAjax.js
文件包含
$('#categories').change(function () {
var dataSet = {category_id: $(this).val()};
var requestUrl = appBaseUrl+'products/ajax-subcategories';
$.ajax({
type: "POST",
url: requestUrl,
data: dataSet,
success: function(result) {
$('#subcategories').html(result);
},
error: function(jqXHR, textStatus, errorThrown) {
console.log(textStatus, errorThrown);
}
});
});
和ajaxSubcategories
里面的动作ProductsController.php
public function ajaxSubcategories()
{
$this->autoRender = false;
$this->loadModel('Subcategories');
$category_id = $this->request->data['category_id'];
$subcategories = $this->Subcategories->find()
->where(['category_id' => $category_id, 'deleted' => false, 'status' => 0]);
$data = '';
foreach($subcategories as $subcategory) {
$data .= '<option value="'.$subcategory->id.'">'.$subcategory->title.'</option>';
}
echo $data;
}
希望这可能对某人有所帮助。