logback

今天用了下logback，发现是比较好。优势不多说，直接进入正题：
使用：

[img]http://dl2.iteye.com/upload/attachment/0085/1847/14d9314b-80ed-33ea-9ab4-a1cb61b4f997.png[/img]
部署在lib包下


上一篇说过了 这里的log4j-over-slf4j就是用在这个时候，如果版本不对，运行的时候就会报出版本不匹配，

logback.xml：是在src的目录下

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
	<!--  <consolePlugin silent="true" />consolePlugin是用于Eclipse的logback插件,默认会去连接localhost的4321端口,如果不需要直接拿掉-->
	<substitutionProperty name="log_path" value="../elearinglog" />
	<!-- Appenders http://logback.qos.ch/manual/appenders.html -->


<appender name="syslogfile" class="ch.qos.logback.classic.sift.SiftingAppender">

		<discriminator>
			<Key>FILE_PATH</Key>
			<DefaultValue>sysLog</DefaultValue>
		</discriminator>
		<sift>
			<appender name="FILEx"
				class="ch.qos.logback.core.rolling.RollingFileAppender">
				<File>${FILE_PATH}.log</File>
				<Append>true</Append>
				<rollingPolicy
					class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
					<FileNamePattern>${FILE_PATH}.%i.log</FileNamePattern>
					<MinIndex>1</MinIndex>
					<MaxIndex>5000</MaxIndex>
				</rollingPolicy>
				<triggeringPolicy
					class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
					<MaxFileSize>5MB</MaxFileSize>
				</triggeringPolicy>
				<encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
					<charset>UTF-8</charset>
					<layout class="ch.qos.logback.classic.PatternLayout">
						<Pattern>
							%date - %msg%n
						</Pattern>
					</layout>
				</encoder>
			</appender>
		</sift>
	</appender>

	<root>
		<level value="DEBUG" />
		<appender-ref ref="CONSOLE" />
		<appender-ref ref="FILE" />
		<appender-ref ref="ERRORFILE" />
		<!-- <appender-ref ref="DEBUG_CONSOLE" /> -->
	</root>


	<!-- myweb app -->
	<logger name="MySysLogger">
		<level value="INFO" />
		<appender-ref ref="syslogfile" />
	</logger>


</configuration>

java对象：

package app;

import org.slf4j.MDC;

public class User {
	public static org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger("MySysLogger");

	public static void main(String[] args) {
		User u = new User();
		u.p();
	}

	public void p() {
		// TODO Auto-generated method stub
	        String msg="Here is DEBUG messgae";

	         try {
	 			startLogging("H:\\system");
	 			logger.info(msg);



	 		} catch (Exception e) {

	 			e.printStackTrace();
	 		} finally {

	 			stopLogging();
	 		}

	}


	private static void startLogging(String sysLogPath) throws Exception {

		MDC.put("FILE_PATH", sysLogPath);
		//MDC.put(FROM_USER, fromNmae);
		//MDC.put(TO_USER, toName);
	}

	private static void stopLogging() {

		MDC.remove("FILE_PATH");
	}

}

日志结果是2013-05-29 22:20:12,733 - Here is DEBUG messgae。


配置参数详解：http://blog.sina.com.cn/s/blog_9ed9ac7d01016ja1.html