java log

Logger log=Logger.getLogger("ds");
		FileHandler file=new FileHandler("c:\\1.txt",true);
		System.out.println("日志文件日志级别:"+file.getLevel());
		file.setFormatter(new SimpleFormatter());
		log.addHandler(file);
		
		ConsoleHandler console=new ConsoleHandler();
		console.setLevel(Level.ALL);
		System.out.println("控制台日志级别:"+console.getLevel());
		log.addHandler(console);
		log.setLevel(Level.INFO);
		log.fine("sd");
		log.warning("d");
		
		log.log(Level.SEVERE, "ds{0}", "dddd");
		Logger log2=Logger.getLogger("ds");
		log2.setUseParentHandlers(false);
		
		log2.info("log2");
		
		log2.severe("log2server");
		System.out.println("logger");

记录日志