logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration scan="true" scanPeriod="60 seconds" debug="false">
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
            <!--<file>${catalina.home}\logs\tomcat.log</file>  -->
        <layout class="ch.qos.logback.classic.PatternLayout">
      		<Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</Pattern>
      		<charset>UTF-8</charset>
    	</layout>
    </appender>
  	<appender name="InfoRollingFile" class="ch.qos.logback.core.rolling.RollingFileAppender">
  		<filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>INFO</level>
            <onMatch>ACCEPT</onMatch>
   			<onMismatch>DENY</onMismatch>
        </filter>
 
        <!-- 可让每天产生一个日志文件，最多 10 个，自动回滚 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${catalina.home}\logs\baby-manager\info-%d{yyyy-MM-dd}.log</fileNamePattern>
            <maxHistory>10</maxHistory>
        </rollingPolicy>
        <encoder> 
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
        </encoder>
  	</appender>
  	<appender name="ErrorRollingFile" class="ch.qos.logback.core.rolling.RollingFileAppender">
  		<filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
   			<onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${catalina.home}\logs\baby-manager\error-%d{yyyy-MM-dd}.log</fileNamePattern>
            <maxHistory>10</maxHistory>
        </rollingPolicy>
        <encoder> 
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
        </encoder>
  	</appender>
  	<appender name="DebugRollingFile" class="ch.qos.logback.core.rolling.RollingFileAppender">
  		<filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>DEBUG</level>
            <onMatch>ACCEPT</onMatch>
   			<onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${catalina.home}\logs\baby-manager\debug-%d{yyyy-MM-dd}.log</fileNamePattern>
            <maxHistory>10</maxHistory>
        </rollingPolicy>
        <encoder> 
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
        </encoder>
  	</appender>
  	<appender name="WarnRollingFile" class="ch.qos.logback.core.rolling.RollingFileAppender">
  		<filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>WARN</level>
            <onMatch>ACCEPT</onMatch>
   			<onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${catalina.home}\logs\baby-manager\warn-%d{yyyy-MM-dd}.log</fileNamePattern>
            <maxHistory>10</maxHistory>
        </rollingPolicy>
        <encoder> 
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
        </encoder>
  	</appender>
  	
  	<logger name="org.springframework" level="DEBUG"></logger>
  	<logger name="mysql" level="ERROR"></logger>
  	<logger name="org.mybatis" level="DEBUG"></logger>
  	
    <root level="DEBUG">
        <appender-ref ref="STDOUT" />
        <appender-ref ref="InfoRollingFile"/>
        <appender-ref ref="ErrorRollingFile"/>
        <appender-ref ref="DebugRollingFile"/>
        <appender-ref ref="WarnRollingFile"/>
        <!--<appender-ref ref="TomcatFile"/>  -->
    </root>
</configuration>

这个是我的logback.xml。

当后台不输出错误的时候，并不是没有错误。而是因为某些原因不输出而已，所以，要么配置log4j,要么配置logback。

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