public function loginAction()
{
try {
session_start();
$master = new Master();
if (!$master->is_matching_pass($this->request->getPost('password'))) {
throw new Exception('パスワードが一致しません');
}
$_SESSION["admin_mode"] = true;
header("Location: " . ROOT_URL . "/admin/mainmenu/");
} catch (Exception $e) {
$this->displayErrorView($e->getMessage());
}
}