public function actionAjax()
{
$app = Yii::$app;
$request = $app->request;
$result = array();
if ($request->getIsAjax()) {
$post = $request->post();
switch ($cmd = $post['cmd']) {
case 'isAliasExist':
$article = Article::findOne($post['condition']);
if ($article) {
$result['code'] = 1;
} else {
$result['code'] = 0;
}
break;
default:
break;
}
exit(json_encode($result));
} else {
exit(json_encode('Bad Request!'));
}
}
