pom.xml配置
<properties>
<slf4j.version>1.7.25</slf4j.version>
</properties>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.25</version>
</dependency>
logback.xml配置(下面的配置同时配置输出到文件和输出到控制台)
https://blog.csdn.net/duguxiaobiao/article/details/78988409
我的配置文件,分文件记录不同等级的日志信息(springboot推荐命名logback-spring.xml)
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<appender name="consoleLog" class="ch.qos.logback.core.ConsoleAppender">
<layout class="ch.qos.logback.classic.PatternLayout">
<pattern>%d -- %msg%n</pattern>
</layout>
</appender>
<!--日志一般主要看重的有5个级别,优先级如 DEBUG<INFO<WARN<ERROR<FATAL等,而springboot默认配置
是 INFO级别-->
<appender name="fileDebugLog" class="ch.qos.logback.core.rolling.RollingFileAppender">
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<!--要拦截的日志级别-->
<level>DEBUG</level>
<!--如果匹配,则允许记录-->
<onMatch>ACCEPT</onMatch>
<!--如果不匹配,则禁止-->
<onMismatch>DENY</onMismatch>
</filter>
<encoder>
<pattern>%d -- %msg%n</pattern>
</encoder>
<!--滚动策略-->
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!--路径-->
<fileNamePattern>c:/logs/debug-%d.log</fileNamePattern>
</rollingPolicy>
</appender>
<appender name="fileInfoLog" class="ch.qos.logback.core.rolling.RollingFileAppender">
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<!--要拦截的日志级别-->
<level>INFO</level>
<!--如果匹配,则允许记录-->
<onMatch>ACCEPT</onMatch>
<!--如果不匹配,则禁止-->
<onMismatch>DENY</onMismatch>
</filter>
<encoder>
<pattern>%d -- %msg%n</pattern>
</encoder>
<!--滚动策略-->
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!--路径-->
<fileNamePattern>c:/logs/info-%d.log</fileNamePattern>
</rollingPolicy>
</appender>
<appender name="fileErrorLog" class="ch.qos.logback.core.rolling.RollingFileAppender">
<!--添加 范围 过滤-->
<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
<level>ERROR</level>
</filter>
<encoder>
<pattern>%d -- %msg%n</pattern>
</encoder>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>c:/logs/error-%d.log</fileNamePattern>
</rollingPolicy>
</appender>
<root level="debug">
<appender-ref ref="consoleLog" />
<appender-ref ref="fileDebugLog"/>
<appender-ref ref="fileInfoLog"/>
<appender-ref ref="fileErrorLog"/>
</root>
</configuration>
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