介绍怎样配置logback的

<?xml version="1.0" encoding="UTF-8"?>
<configuration>

	<appender name="CONSOLE"
		class="ch.qos.logback.core.ConsoleAppender">
		<encoder>
			<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
			</pattern>
		</encoder>
	</appender>

	<!-- INFO -->
	<appender name="infoAppender"
		class="ch.qos.logback.core.rolling.RollingFileAppender">
		<file>log/info.log</file>
		<rollingPolicy
			class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
			<!-- 文件名称 -->
			<fileNamePattern>log/info-%d{yyyy-MM-dd}.log
			</fileNamePattern>
			<!-- 文件最大保存历史数量 -->
			<MaxHistory>30</MaxHistory>
		</rollingPolicy>
		<encoder>
			<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
			</pattern>
		</encoder>
		<filter class="ch.qos.logback.classic.filter.LevelFilter">
			<level>INFO</level>
			<onMatch>ACCEPT</onMatch>
			<onMismatch>DENY</onMismatch>
		</filter>
	</appender>

	<!-- ERROR -->
	<appender name="errorAppender"
		class="ch.qos.logback.core.rolling.RollingFileAppender">
		<file>log/error.log</file>
		<rollingPolicy
			class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
			<!-- 文件名称 -->
			<fileNamePattern>log/error-%d{yyyy-MM-dd}.log
			</fileNamePattern>
			<!-- 文件最大保存历史数量 -->
			<MaxHistory>30</MaxHistory>
		</rollingPolicy>
		<encoder>
			<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
			</pattern>
		</encoder>
		<filter class="ch.qos.logback.classic.filter.LevelFilter">
			<level>ERROR</level>
			<onMatch>ACCEPT</onMatch>
			<onMismatch>DENY</onMismatch>
		</filter>
	</appender>

	<root level="DEBUG">
		<appender-ref ref="CONSOLE" />
		<appender-ref ref="infoAppender" />
		<appender-ref ref="errorAppender" />
	</root>
</configuration>