Java 记录 日志，log，

public class LogUtil{    private static Logger  log               = Logger.getLogger(LogUtil.class.getName());    private static Handler fileHandler       = null;    static    {        try        {            String logfile = (new File(ServiceAccess.getSystemSupportService().getDeployedPar("an-commonsh-ftpcsv-emf").getBaseDir()))                            .getAbsolutePath() + File.separator + "log" + File.separator + "ftpcsv%g.log";            // String dirPath = CommonUtil.getDeployedParBaseDir("zxnm01-northbound");            // String logfile = (new File((new File(dirPath)).getParent())).getParent() + File.separator + "log" + File.separator + "tl1" +            // File.separator +"tl1agent_AlarmTrace%g.log";            fileHandler = new FileHandler(logfile, 5000000, 5, true);            // fileHandler = new FileHandler(CommonUtil.getNetNumenHomeDir() + "/ums-svr/log/tl1agent_AlarmTrace%g.log" ,10000,11,true);            fileHandler.setLevel(Level.INFO);            fileHandler.setFormatter(new CustomFormatter());        }        catch(Exception ex)        {        }        log.addHandler(fileHandler);    }    public static void info(String loginfo)    {        log.info(loginfo);    }}public class CustomFormatter extends Formatter{    // 时间    private Date          dat           = new Date();    // 参数    private Object[]      args          = new Object[1];    // 消息格式化器    private MessageFormat formatter     = null;    // 时间参数    private String        format        = "{0,date} {0,time}";    // 行分格符    private String        lineSeparator = (String)AccessController.doPrivileged(new sun.security.action.GetPropertyAction("line.separator"));    public String format(LogRecord record)    {        StringBuffer sb = new StringBuffer();        dat.setTime(record.getMillis());        args[0] = dat;        StringBuffer text = new StringBuffer();        if(formatter == null)        {            formatter = new MessageFormat(format);        }        formatter.format(args, text, null);        sb.append(text);        sb.append("  ");        String message = formatMessage(record);        sb.append(message);        sb.append(lineSeparator);        printWriterLog(record, sb);        return sb.toString();    }    private void printWriterLog(LogRecord record, StringBuffer sb)    {        if(record.getThrown() != null)        {            try            {                StringWriter sw = new StringWriter();                PrintWriter pw = new PrintWriter(sw);                record.getThrown().printStackTrace(pw);                pw.close();                sb.append(sw.toString());            }            catch(Exception ex)            {                             }        }    }}