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logback.xml动态配置程序路径的操作

1.普通java程序

如下配置的logback.xml

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

< configuration >

 

   < property name = "LOGS_HOME" value = "/opt/program/app/logback-demo/logs" />

   <!-- 该值由启动程序时候动态传入 -->

   < property name = "SUB_LOG_HOME" value = "" />

   < property name = "LOG_PATTERN" value = "%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{25} - %msg%n" />

   < property name = "LOG_CHARSET" value = "UTF-8" />

 

   < appender name = "STDOUT" class = "ch.qos.logback.core.ConsoleAppender" >

     < encoder >

       < pattern >${LOG_PATTERN}</ pattern >

       < charset >${LOG_CHARSET}</ charset >

     </ encoder >

   </ appender >

 

   < appender name = "FILE" class = "ch.qos.logback.core.rolling.RollingFileAppender" >

     < file >${LOGS_HOME}/${SUB_LOG_HOME}/logback-demo.log</ file >

     < encoder >

       < pattern >${LOG_PATTERN}</ pattern >

       < charset >${LOG_CHARSET}</ charset >

     </ encoder >

     < rollingPolicy class = "ch.qos.logback.core.rolling.TimeBasedRollingPolicy" >

       < fileNamePattern >${LOGS_HOME}/${SUB_LOG_HOME}/logback-demo-%d{yyyy-MM-dd}.log</ fileNamePattern >

       < maxHistory >30</ maxHistory >

     </ rollingPolicy >

   </ appender >

 

   < appender name = "ERRORFILE" class = "ch.qos.logback.core.rolling.RollingFileAppender" >

     < file >${LOGS_HOME}/${SUB_LOG_HOME}/logback-demo.error.log</ file >

     < rollingPolicy class = "ch.qos.logback.core.rolling.TimeBasedRollingPolicy" >

       < fileNamePattern >${LOGS_HOME}/${SUB_LOG_HOME}/logback-demo-%d{yyyy-MM-dd}.error.log</ fileNamePattern >

       < maxHistory >20</ maxHistory >

     </ rollingPolicy >

     < encoder >

       < pattern >${LOG_PATTERN}</ pattern >

       < immediateFlush >true</ immediateFlush >

     </ encoder >

     < filter class = "ch.qos.logback.classic.filter.LevelFilter" >

       < level >ERROR</ level >

       < onMatch >ACCEPT</ onMatch >

       < onMismatch >DENY</ onMismatch >

     </ filter >

   </ appender >

 

   < root level = "info" >

     < appender-ref ref = "STDOUT" />

     < appender-ref ref = "FILE" />

     < appender-ref ref = "ERRORFILE" />

   </ root >

 

</ configuration >

property标签由name和value组成，上边定义的name可以在下边通过${name}引用。

value的值可以直接在xml中写死，也可以通过程序启动时候通过jvm虚拟机参数配置来传入，比如此处是-DSUB_LOG_HOME=xxx。

idea中配置：

2.spring boot应用

spring boot应用中将logback-spring.xml放置在resources目录，内容如下：

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

< configuration xmlns = "http://ch.qos.logback/xml/ns/logback" xmlns:xsi = "http://HdhCmsTestw3.org/2001/XMLSchema-instance"

         xsi:schemaLocation = "http://ch.qos.logback/xml/ns/logback http://ch.qos.logback/xml/ns/logback/logback.xsd"

         debug = "true" scan = "false" scanPeriod = "30 seconds" >

 

   < springProperty scope = "context" name = "logPath" source = "logback.logPath" />

   < springProperty scope = "context" name = "subLogPath" source = "logback.subLogPath" />

 

   <!--spring-boot-1.5.10.RELEASE.jar!/org/springframework/boot/logging/logback/defaults.xml-->

   < conversionRule conversionWord = "clr" converterClass = "org.springframework.boot.logging.logback.ColorConverter" />

   < conversionRule conversionWord = "wex" converterClass = "org.springframework.boot.logging.logback.WhitespaceThrowableProxyConverter" />

   < conversionRule conversionWord = "wEx" converterClass = "org.springframework.boot.logging.logback.ExtendedWhitespaceThrowableProxyConverter" />

 

   < property name = "LOG_HOME" value = "${logPath}" />

   <!-- 该值由启动程序时候动态传入 -->

   < property name = "SUB_LOG_HOME" value = "${subLogPath}" />

   < property name = "LOG_NAME" value = "data-middleware-server-realtime" />

   < property name = "CONSOLE_LOG_PATTERN" value = "${CONSOLE_LOG_PATTERN:-%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(${LOG_LEVEL_PATTERN:-%5p}) %clr(${PID:- }){magenta} %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39} %line){cyan} %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}}" />

   < property name = "FILE_LOG_PATTERN" value = "%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{25} %line - %msg%n" />

 

   < appender name = "STDOUT" class = "ch.qos.logback.core.ConsoleAppender" >

     < encoder >

       < pattern >${CONSOLE_LOG_PATTERN}</ pattern >

     </ encoder >

   </ appender >

   < appender name = "FILE" class = "ch.qos.logback.core.rolling.RollingFileAppender" >

     < file >${LOG_HOME}/${SUB_LOG_HOME}/${LOG_NAME}.log</ file >

     < rollingPolicy class = "ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy" >

       < fileNamePattern >${LOG_HOME}/${SUB_LOG_HOME}/${LOG_NAME}.log-%d{yyyy-MM-dd}.%i.zip</ fileNamePattern >

       < maxHistory >20</ maxHistory >

       < maxFileSize >100MB</ maxFileSize >

     </ rollingPolicy >

     < encoder >

       < pattern >${FILE_LOG_PATTERN}</ pattern >

       < immediateFlush >true</ immediateFlush >

     </ encoder >

   </ appender >

   < appender name = "ERRORFILE" class = "ch.qos.logback.core.rolling.RollingFileAppender" >

     < file >${LOG_HOME}/${SUB_LOG_HOME}/${LOG_NAME}.error.log</ file >

     < rollingPolicy class = "ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy" >

       < fileNamePattern >${LOG_HOME}/${SUB_LOG_HOME}/${LOG_NAME}.error.log-%d{yyyy-MM-dd}.%i.zip</ fileNamePattern >

       < maxHistory >20</ maxHistory >

       < maxFileSize >100MB</ maxFileSize >

     </ rollingPolicy >

     < encoder >

       < pattern >${FILE_LOG_PATTERN}</ pattern >

       < immediateFlush >true</ immediateFlush >

     </ encoder >

     < filter class = "ch.qos.logback.classic.filter.LevelFilter" >

       < level >ERROR</ level >

       < onMatch >ACCEPT</ onMatch >

       < onMismatch >DENY</ onMismatch >

     </ filter >

   </ appender >

 

   < appender name = "REALTIME_IMPORT_APPENDER" class = "ch.qos.logback.core.rolling.RollingFileAppender" >

     < file >${LOG_HOME}/${SUB_LOG_HOME}/import/${LOG_NAME}.log</ file >

     < encoder >

       < pattern >${FILE_LOG_PATTERN}</ pattern >

       < immediateFlush >true</ immediateFlush >

     </ encoder >

     < rollingPolicy class = "ch.qos.logback.core.rolling.TimeBasedRollingPolicy" >

       < fileNamePattern >${LOG_HOME}/${SUB_LOG_HOME}/import/${LOG_NAME}-%d{yyyy-MM-dd}.log</ fileNamePattern >

       < maxHistory >7</ maxHistory >

     </ rollingPolicy >

   </ appender >

 

   < logger name = "REALTIME_IMPORT_LOGGER" level = "INFO" additivity = "false" >

     < appender-ref ref = "REALTIME_IMPORT_APPENDER" />

   </ logger >

 

   < logger name = "org.apache.zookeeper.ZooKeeper" level = "WARN" additivity = "true" ></ logger >

   < logger name = "org.apache.zookeeper.ClientCnxn" level = "WARN" additivity = "true" ></ logger >

 

   < root level = "DEBUG" >

     < appender-ref ref = "STDOUT" />

     < appender-ref ref = "FILE" />

     < appender-ref ref = "ERRORFILE" />

   </ root >

</ configuration >

该配置文件中除了使用<property>还使用了<springProperty>其中source为引用的spring配置中的变量，比如此处是logback.logPath和logback.subLogPath这两个值的传入可以通过spring boot配置文件传入，也可以通过程序启动时候动态传入，比如--logback.subLogPath=xxx

补充：logback.xml 自动读取日志存储路径

文件的命名和加载顺序有关logback.xml早于application.yml加载，logback-spring.xml晚于application.yml加载

如果logback配置需要使用application.yml中的属性，需要命名为logback-spring.xml

logback使用application.yml中的属性

使用springProperty才可使用application.yml中的值 可以设置默认值

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

< configuration >

   <!--

   说明：

     1. 文件的命名和加载顺序有关

       logback.xml早于application.yml加载，logback-spring.xml晚于application.yml加载

       如果logback配置需要使用application.yml中的属性，需要命名为logback-spring.xml

     2. logback使用application.yml中的属性

       使用springProperty才可使用application.yml中的值 可以设置默认值

   -->

   < springProperty scope = "context" name = "logName" source = "ruoyi.logPath" defaultValue = "default" />

   < property name = "log.path" value = "${logName}" />

   <!-- 日志存放路径 -->

<!--  <property name="log.path" value="D:/zmSmartClassroom/logs"/>-->

   <!--  <property name="log.path" value="/home/zmSmartClassroom/logs"/>-->

   <!-- 日志输出格式 -->

   < property name = "log.pattern" value = "%d{HH:mm:ss.SSS} [%thread] %-5level %logger{20} - [%method,%line] - %msg%n" />

   <!-- 控制台输出 -->

   < appender name = "console" class = "ch.qos.logback.core.ConsoleAppender" >

     < encoder >

       < pattern >${log.pattern}</ pattern >

     </ encoder >

   </ appender >

   <!-- 系统日志输出 -->

   < appender name = "file_info" class = "ch.qos.logback.core.rolling.RollingFileAppender" >

     < file >${log.path}/sys-info.log</ file >

     <!-- 循环政策：基于时间创建日志文件 -->

     < rollingPolicy class = "ch.qos.logback.core.rolling.TimeBasedRollingPolicy" >

       <!-- 日志文件名格式 -->

       < fileNamePattern >${log.path}/sys-info.%d{yyyy-MM-dd}.log</ fileNamePattern >

       <!-- 日志最大的历史 60天 -->

       < maxHistory >60</ maxHistory >

     </ rollingPolicy >

     < encoder >

       < pattern >${log.pattern}</ pattern >

     </ encoder >

     < filter class = "ch.qos.logback.classic.filter.LevelFilter" >

       <!-- 过滤的级别 -->

       < level >INFO</ level >

       <!-- 匹配时的操作：接收（记录） -->

       < onMatch >ACCEPT</ onMatch >

       <!-- 不匹配时的操作：拒绝（不记录） -->

       < onMismatch >DENY</ onMismatch >

     </ filter >

   </ appender >

   < appender name = "file_error" class = "ch.qos.logback.core.rolling.RollingFileAppender" >

     < file >${log.path}/sys-error.log</ file >

     <!-- 循环政策：基于时间创建日志文件 -->

     < rollingPolicy class = "ch.qos.logback.core.rolling.TimeBasedRollingPolicy" >

       <!-- 日志文件名格式 -->

       < fileNamePattern >${log.path}/sys-error.%d{yyyy-MM-dd}.log</ fileNamePattern >

       <!-- 日志最大的历史 60天 -->

       < maxHistory >60</ maxHistory >

     </ rollingPolicy >

     < encoder >

       < pattern >${log.pattern}</ pattern >

     </ encoder >

     < filter class = "ch.qos.logback.classic.filter.LevelFilter" >

       <!-- 过滤的级别 -->

       < level >ERROR</ level >

       <!-- 匹配时的操作：接收（记录） -->

       < onMatch >ACCEPT</ onMatch >

       <!-- 不匹配时的操作：拒绝（不记录） -->

       < onMismatch >DENY</ onMismatch >

     </ filter >

   </ appender >

   <!-- 用户访问日志输出 -->

   < appender name = "sys-user" class = "ch.qos.logback.core.rolling.RollingFileAppender" >

     < file >${log.path}/sys-user.log</ file >

     < rollingPolicy class = "ch.qos.logback.core.rolling.TimeBasedRollingPolicy" >

       <!-- 按天回滚 daily -->

       < fileNamePattern >${log.path}/sys-user.%d{yyyy-MM-dd}.log</ fileNamePattern >

       <!-- 日志最大的历史 60天 -->

       < maxHistory >60</ maxHistory >

     </ rollingPolicy >

     < encoder >

       < pattern >${log.pattern}</ pattern >

     </ encoder >

   </ appender >

   <!-- 系统模块日志级别控制 -->

   < logger name = "com.ruoyi" level = "info" />

   <!-- Spring日志级别控制 -->

   < logger name = "org.springframework" level = "warn" />

   < root level = "info" >

     < appender-ref ref = "console" />

   </ root >

   <!--系统操作日志-->

   < root level = "info" >

     < appender-ref ref = "file_info" />

     < appender-ref ref = "file_error" />

   </ root >

   <!--系统用户操作日志-->

   < logger name = "sys-user" level = "info" >

     < appender-ref ref = "sys-user" />

   </ logger >

</ configuration >

以上为个人经验，希望能给大家一个参考，也希望大家多多支持。如有错误或未考虑完全的地方，望不吝赐教。

原文链接：https://blog.csdn.net/catcher92/article/details/89674882

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