1 实现

String   appendLog = "";File logFile = new File(logFileName);// append file contentFileOutputStream fos = null;try {fos = new FileOutputStream(logFile, true);fos.write(appendLog.getBytes("utf-8"));fos.flush();} catch (Exception e) {logger.error(e.getMessage(), e);} finally {if (fos != null) {try {fos.close();} catch (IOException e) {logger.error(e.getMessage(), e);}}}