public function delAction($args = null) { //$id = (int)$_GET['id']; //参数改进 $id = isset($args['id']) ? (int) $args['id'] : ''; $where = "pid = '{$id}'"; //$a = Category::findAll($where); //var_dump($a); //exit; if (!Category::findAll($where)) { Category::deleteId($id); } header('location:index.php?job=admin_category'); }