logback configuration

In order to achieve automatic log cleaning, logback is used instead of log4j. Not much to say, the following is the implementation method, is it super simple?

 

add dependencies

<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.5</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-core</artifactId>
<version>1.0.11</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.0.11</version>
</dependency>

 Configure logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- To make the configuration file reload automatically, you need to set the scan property to true. By default, it will scan once every minute. You can specify the scan interval: scanPeriod The available unit is
	milliseconds，seconds，minutes 和 hours -->
<configuration scan="true" scanPeriod="60 seconds" debug="false">
	<!--Define the storage address of log files Do not use relative paths in the configuration of LogBack-->
	<property name="LOG_HOME" value="./logs" />
	<property name="fileLayoutPattern"
		value="%-20(%d{yyyy-MM-dd HH:mm:ss.SSS} [%logger{50}][%thread] [%-4relative]) [%X{hostName} %X{requestId} %X{processId} %X{service.timing} ][%level] %msg%n" />
	<property name="consoleLayoutPattern"
		value="%-20(%d{yyyy-MM-dd HH:mm:ss.SSS} [%logger{50}][%thread] [%-4relative]) [%X{hostName} %X{requestId} %X{processId} %X{service.timing} ][%level] %msg%n" />

	<!-- console output -->
	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
		<layout name="StandardFormat" class="ch.qos.logback.classic.PatternLayout">
			<pattern>${consoleLayoutPattern}</pattern>
		</layout>
	</appender>

	<!-- Generate log files on a daily basis-->
	<appender name="INFO"
		class="ch.qos.logback.core.rolling.RollingFileAppender">
		<file>${LOG_HOME}/info.log</file>
		<!-- Log filter, only record warning level logs, if you want to configure other levels, copy the appender, modify the level, and configure it in root -->
		<filter class="ch.qos.logback.classic.filter.LevelFilter">
			<level>INFO</level>
			<onMatch>ACCEPT</onMatch>
			<onMismatch>DENY</onMismatch>
		</filter>
		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
			<fileNamePattern>${LOG_HOME}/info.%d{yyyy-MM-dd}.log
			</fileNamePattern>
			<!--Number of days to keep log files-->
			<MaxHistory>30</MaxHistory>
		</rollingPolicy>
		<layout>
			<pattern>${fileLayoutPattern}</pattern>
		</layout>
	</appender>

	<appender name="ERROR"
		class="ch.qos.logback.core.rolling.RollingFileAppender">
		<file>${LOG_HOME}/error.log</file>
		<!-- Log filter, only record warning level logs, if you want to configure other levels, copy the appender, modify the level, and configure it in root -->
		<filter class="ch.qos.logback.classic.filter.LevelFilter">
			<level>ERROR</level>
			<onMatch>ACCEPT</onMatch>
			<onMismatch>DENY</onMismatch>
		</filter>
		<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
			<fileNamePattern>${LOG_HOME}/error.%d{yyyy-MM-dd}.log
			</fileNamePattern>
			<!--Number of days to keep log files-->
			<MaxHistory>30</MaxHistory>
		</rollingPolicy>
		<layout>
			<pattern>${fileLayoutPattern}</pattern>
		</layout>
	</appender>


	<!-- log output level-->
	<root level="INFO">
		<appender-ref ref="STDOUT" />
		<appender-ref ref="INFO" />
		<appender-ref ref="ERROR" />
	</root>
</configuration>

 

java code

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class Main {
     public static Logger log = LoggerFactory.getLogger(Main.class);

public static void main(String[] args) {
     log.info("Oh");
     log.error("额。。。。");
}

}