php实例分享之mysql数据备份(5)

//获取文件
    public function getFileByBackUpDir($path) {
        $info = array();
        $db_base_files = array();
        if( @file_exists($path) && is_dir($path) ) {
            if ($dh = opendir($path)) {
                while (($file = readdir($dh)) !== false) {
                    if($file != '.' && $file != '..') {
                        if( strripos($file, 'seocheck') !== false ) {
                            $db_base_files[] = $path.$file;
                        }
                    }
                }
                closedir($dh);
            }
        }
        return $db_base_files;
    }

    /**
     * @path: 生成压缩包的路径
     * @fileName : 要解压的文件名 默认解压到path 目录
     */
    public function uncompressZip($path, $zipName) {
        $path = empty($path) ? $_SERVER['DOCUMENT_ROOT'].'/core/Runtime/Data/' : $path;
        $zip = new ZipArchive;
        if ($zip->open($path.$zipName) === TRUE) {
            $zip->extractTo($path);
            $zip->close();
            return true;
        } else {
            return false;
        }
    }

//导入数据库
    public function importingDataBySqlFile () {

    }

//  及时输出信息
    private function _showMsg($msg,$err=false){
        if($err === true) {
            echo "<p><span>ERROR: --- " . $msg . "</span></p>";exit;
        }
        echo "<p><span>OK: --- " . $msg . "</span></p>";
    }

// 锁定数据库，以免备份或导入时出错
    private function lock($table, $op = "WRITE") {
        if (mysql_query ( "lock tables " . $table . " " . $op ))
            return true;
        else
            return false;
    }