org\upload\driver\Local::mkdir PHP Method

    public function mkdir($savepath)
    {
        $dir = $this->rootPath . $savepath;
        if (is_dir($dir)) {
            return true;
        }
        if (mkdir($dir, 0777, true)) {
            return true;
        } else {
            $this->error = "目录 {$savepath} 创建失败！";
            return false;
        }
    }