function download_pack() { $name = IFilter::act(IReq::get('name')); if ($name) { $backupObj = new DBBackup($name); $fileName = $backupObj->packDownload(); if ($fileName === false) { $this->redirect('db_res', false); Util::showMessage('环境不支持zip扩展'); exit; } $db_fileName = $backupObj->download($fileName); @unlink($db_fileName); } else { $this->redirect('db_res', false); Util::showMessage('请选择要打包的文件'); exit; } }