/** * 书本:《Thinking In Java》 * 功能:将异常输出记录到日志中。 * 文件:LoggingExceptions.java * 时间:2015年4月8日21:11:51 * 作者:cutter_point */ package Lesson12_error_handling_with_exceptions; import java.io.PrintWriter; import java.io.StringWriter; import java.util.logging.Logger; class LoggingException extends Exception { private static Logger logger = Logger.getLogger("LoggingException"); public LoggingException() { StringWriter trace = new StringWriter(); printStackTrace(new PrintWriter(trace)); logger.severe(trace.toString()); } } public class LoggingExceptions { public static void main(String [] args) { try { throw new LoggingException(); } catch (LoggingException e) { System.err.println("Caught " + e); } try { throw new LoggingException(); } catch (LoggingException e) { System.err.println("Caught " + e); } } }
输出:
五月 04, 2015 3:53:49 下午 Lesson12_error_handling_with_exceptions.LoggingException <init>
严重: Lesson12_error_handling_with_exceptions.LoggingException
at Lesson12_error_handling_with_exceptions.LoggingExceptions.main(LoggingExceptions.java:32)
Caught Lesson12_error_handling_with_exceptions.LoggingException
五月 04, 2015 3:53:49 下午 Lesson12_error_handling_with_exceptions.LoggingException <init>
严重: Lesson12_error_handling_with_exceptions.LoggingException
at Lesson12_error_handling_with_exceptions.LoggingExceptions.main(LoggingExceptions.java:41)
Caught Lesson12_error_handling_with_exceptions.LoggingException
时间: 2024-11-06 03:53:40