public function actionNavadd()
{
$model = new AgMnav();
$request = Yii::$app->request;
if ($model->load($request->post())) {
$nav = $request->post('AgMnav');
if ($nav['nav_cn'] == ' ' || $nav['nav_en'] == ' ') {
echo "<script>alert('不能为空值');history.back(-1);</script>";
} else {
$model->save();
Yii::$app->getSession()->setFlash('info', '添加成功！');
return $this->redirect(['index']);
}
}
}
