public function actionTraiterCSV()
 {
     $this->title = "Import de données dans cityData";
     if (isset($_FILES['fileimport']) && isset($_FILES['fileimport']) && isset($_POST['separateurDonnees']) && isset($_POST['separateurTexte']) && isset($_POST['choose']) && isset($_POST['chooseMapping'])) {
         $params = ImportData::useCSV($_FILES, $_POST);
     } else {
         $params = array("choose" => false, "result" => false);
     }
     $this->render("traiterCSV", $params);
 }