springboot使用logback-spring.xml配置讲解
springboot按照profile进行打印日志
log4j logback slf4j区别？
首先谈到日志,我们可能听过log4j logback slf4j这三个名词，那么它们之间的关系是怎么样的呢？SLF4J，即简单日志门面（Simple Logging Facade for JAVA），不是具体的日志解决方案，它只服务于各种各样的日志系统。一般来说，slf4j配合log4j、logback进行使用，可以理解为slf4j是标准，log4j和logback是实现，我们可以根据自己的需求进行选择具体的日志系统。
这里推荐使用logback,因为logback更快的执行速度，logback-classic 非常自然的实现了SLF4J，官方也推荐使用logback作为日志系统。logback如何配置springboot框架
创建logback-spring.xm在src/main/resources下面(springboot推荐使用logback-spring.xml而不是logback.xml）文件。
logback-spring.xml文件例子：
以下是一个logback-spring.xml的例子，可以直接复制使用
<configuration scan="true">
<property name="LOG_NAME" value="/home">property>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>1-%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger - %msg%npattern>
<charset>GBKcharset>
encoder>
appender>
<contextName>RestAPIcontextName>
<property name="LOG_PATH" value=".logs"/>
<property name="APPDIR" value="app"/>
<appender name="FILEERROR" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${LOG_PATH}/${APPDIR}/log_error.logfile>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${LOG_PATH}/${APPDIR}/error/log-error-%d{yyyy-MM-dd}.%i.logfileNamePattern>
30 <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>2MBmaxFileSize>
timeBasedFileNamingAndTriggeringPolicy>
rollingPolicy>
<append>trueappend>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<pattern>===%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level %logger Line:%-3L - %msg%npattern>
<charset>utf-8charset>
encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>errorlevel>
<onMatch>ACCEPTonMatch>
<onMismatch>DENYonMismatch>
filter>
appender>
<appender name="FILEWARN" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${LOG_PATH}/${APPDIR}/log_warn.logfile>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${LOG_PATH}/${APPDIR}/warn/log-warn-%d{yyyy-MM-dd}.%i.logfileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>2MBmaxFileSize>
timeBasedFileNamingAndTriggeringPolicy>
rollingPolicy>
<append>trueappend>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<pattern>===%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level %logger Line:%-3L - %msg%npattern>
<charset>utf-8charset>
encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>warnlevel>
<onMatch>ACCEPTonMatch>
<onMismatch>DENYonMismatch>
filter>
appender>
<appender name="FILEINFO" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${LOG_PATH}/${APPDIR}/log_info.logfile>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${LOG_PATH}/${APPDIR}/info/log-info-%d{yyyy-MM-dd}.%i.logfileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>2MBmaxFileSize>
timeBasedFileNamingAndTriggeringPolicy>
rollingPolicy>
<append>trueappend>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<pattern>===%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level %logger Line:%-3L - %msg%npattern>
<charset>utf-8charset>
encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>infolevel>
<onMatch>ACCEPTonMatch>
<onMismatch>DENYonMismatch>
filter>
appender>
<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level %logger Line:%-3L - %msg%npattern>
encoder>
appender>
<logger name="com.minlia" level="DEBUG"/>
<logger name="org.springframework.data.mybatis" level="DEBUG"/>
<logger name="org.springframework.aop.aspectj" level="ERROR"/>
<logger name="javax.activation" level="WARN"/>
<logger name="javax.mail" level="WARN"/>
<logger name="javax.xml.bind" level="WARN"/>
<logger name="ch.qos.logback" level="INFO"/>
<logger name="com.codahale.metrics" level="WARN"/>
<logger name="com.ryantenney" level="WARN"/>
<logger name="com.sun" level="WARN"/>
<logger name="com.zaxxer" level="WARN"/>
<logger name="io.undertow" level="WARN"/>
<logger name="net.sf.ehcache" level="WARN"/>
<logger name="org.apache" level="WARN"/>
<logger name="org.apache.catalina.startup.DigesterFactory" level="OFF"/>
<logger name="org.bson" level="WARN"/>
<logger name="org.hibernate.validator" level="WARN"/>
<logger name="org.hibernate" level="WARN"/>
<logger name="org.hibernate.ejb.HibernatePersistence" level="OFF"/>
<logger name="org.springframework.web" level="INFO"/>
<logger name="org.springframework.security" level="WARN"/>
<logger name="org.springframework.cache" level="WARN"/>
<logger name="org.thymeleaf" level="WARN"/>
<logger name="org.xnio" level="WARN"/>
<logger name="springfox" level="WARN"/>
<logger name="sun.rmi" level="WARN"/>
<logger name="liquibase" level="WARN"/>
<logger name="sun.rmi.transport" level="WARN"/>
<logger name="jdbc.connection" level="ERROR"/>
<logger name="jdbc.resultset" level="ERROR"/>
<logger name="jdbc.resultsettable" level="INFO"/>
<logger name="jdbc.audit" level="ERROR"/>
<logger name="jdbc.sqltiming" level="ERROR"/>
<logger name="jdbc.sqlonly" level="INFO"/>
<springProfile name="production">
<root level="DEBUG">
<appender-ref ref="STDOUT"/>
root>
springProfile>
<springProfile name="dev">
<root level="DEBUG">
<appender-ref ref="CONSOLE"/>
root>
springProfile>
configuration>- 1
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- ###配置多环境日志输出
从上面可以看到，我们可以用springProfile标签区分环境，其中root中的DEBUG是系统的日志级别,我们可以通过application.yml或者
application.properties文件
<springProfile name="dev">
<root level="DEBUG">
<appender-ref ref="CONSOLE"/>
root>
springProfile>- 1
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通过在配置文件中指定生效的环境和日志的级别
spring.profiles.active=dev
logging.level.org.springframework.web=debug
- ###总结如下,springboot创建多环境日志步骤
1.在src/main/resources下面创建logback-spring.xml文件，可以直接copy上面的文件修改
2.指定日志级别和环境