public function actionChoose()
{
$layout_data = array('username' => Yii::$app->session['username'], 'status' => 1);
$this->layout_data = $layout_data;
$username = Yii::$app->session['username'];
$pictures = Pictures::find()->where(['type' => "0"])->all();
$svg = pictures::find()->where(['type' => "1"])->all();
return $this->render('choose', ["username" => $username, 'pictures' => $pictures, 'svg' => $svg]);
}
