隨筆檔案

????????????log? = ?? new ?PrintWriter( new ?FileOutputStream(fl, true ), true );
????????????SimpleDateFormat?df? = ? new ?SimpleDateFormat( " yyyy.MM.dd?'at'?hh:mm:ss\n " );
????????????Date?now? = ? new ?Date();
????????????String?dateformat? = ?df.format(now)
????????????BufferedWriter?bf?? = ? new ?BufferedWriter( new ?FileWriter(fl,? true ));
????????????bf.append(dateformat);
????????????bf.close();
????????????log.println( " start?connection?databse: " );
????????????log.println( " driver?name: " .concat(driveName);