java.util.logging无配置文件全局日志管理案例

博客分类：

程序运行日志对调试程序很有用，JDK提供日志记录功能，网上很多讲述JDK日志功能的帖子只是代码片段，这里提供一个比较完整的案例，主要是注重几个日志相关的类之互相配合使用的关系。代码比较简单，类的说明在手册里也有，就不解释了。

伦理片 http://www.dotdy.com/

Java代码

package Town;

import java.io.IOException;

import java.text.SimpleDateFormat;

import java.util.Date;

import java.util.logging.*;

/*

* Created with IntelliJ IDEA.

* User: cobra

* Date: 15-12-3

* Time: 下午4:16

* To change this template use File | Settings | File Templates.

*/

public class TraceLog {

private String LogPath ="E:\\data\\Logs\\lucom\\";

private int logCount = 5;

private int LogLimit = 10000000; //指定要写入到任意文件的近似最大量（以字节为单位） 10M

private static LogManager logManager = LogManager.getLogManager();

private static Logger InfoLog;

private static Logger ErrLog;

public TraceLog () {

if (logManager.getLogger("LogInfo") == null) {

iniInfoLog();

} else {

InfoLog = logManager.getLogger("LogInfo");

}

if (logManager.getLogger("LogErr") == null) {

iniErrLog();

} else {

ErrLog = logManager.getLogger("LogErr");

}

}

//初始化info日志

private void iniInfoLog () {

String InfoLogFile = "traceinfo%g.%u.log";

InfoLog = Logger.getLogger("LogInfo");

try {

FileHandler InfoFileHandler = new FileHandler(LogPath+InfoLogFile , LogLimit, logCount,true);

InfoFileHandler.setLevel(Level.INFO);

InfoFileHandler.setFormatter(new Formatter() {

@Override

public String format(LogRecord record) {

return (new SimpleDateFormat("[yyyy-MM-dd HH:mm:ss.SSS]").format(new Date()))+":"+record.getLevel()+":"+record.getMessage()+"\n";

}

});

InfoLog.addHandler(InfoFileHandler);

logManager.addLogger(InfoLog);

} catch (IOException e) {

e.printStackTrace();

}

}

//初始化Err日志

private void iniErrLog () {

String ErrLogFile = "traceerr%g.%u.log";

ErrLog = Logger.getLogger("LogErr");

try {

FileHandler ErrFileHandler = new FileHandler(LogPath+ErrLogFile , LogLimit,logCount,true);

ErrFileHandler.setLevel(Level.WARNING);

ErrFileHandler.setFormatter(new Formatter() {

@Override

public String format(LogRecord record) {

return (new SimpleDateFormat("[yyyy-MM-dd HH:mm:ss.SSS]").format(new Date()))+":"+record.getLevel()+":"+record.getMessage()+"\n";

}

});

ErrLog.addHandler(ErrFileHandler);

logManager.addLogger(ErrLog);

} catch (IOException e) {

e.printStackTrace();

}

}

public void logInfo (String LoggingMessage)

{

InfoLog.info(LoggingMessage);

}

public void logErr (String LoggingMessage)

{

ErrLog.warning(LoggingMessage);

}

}