Springboot项目优雅地处理日志的方法详解

如上图，每天会生成一个新的日志文件，然后日志进行分类，我这里只对error和info进行分类。
怎么做呢？
首先，在resource目录创建一个新文件，取名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>   <appender name = "fileInfoLog" class = "ch.qos.logback.core.rolling.RollingFileAppender" > <filter class = "ch.qos.logback.classic.filter.LevelFilter" > <level> ERROR </level> <onMatch> DENY </onMatch> <onMismatch> ACCEPT </onMismatch> </filter> <encoder> <pattern> %msg%n </pattern> </encoder> <!-- 滚动策略--> <rollingPolicy class = "ch.qos.logback.core.rolling.TimeBasedRollingPolicy" > <!-- 路径--> <fileNamePattern> /var/log/tomcat/sell/info.%d.log </fileNamePattern> </rollingPolicy> </appender>   <appender name = "fileErrorLog" class = "ch.qos.logback.core.rolling.RollingFileAppender" > <filter class = "ch.qos.logback.classic.filter.ThresholdFilter" > <level> ERROR </level> </filter> <encoder> <pattern> %msg%n </pattern> </encoder> <!-- 滚动策略--> <rollingPolicy class = "ch.qos.logback.core.rolling.TimeBasedRollingPolicy" > <!-- 路径--> <fileNamePattern> /var/log/tomcat/sell/error.%d.log </fileNamePattern> </rollingPolicy> </appender>   <root level = "info" > <appender-ref ref = "consoleLog" /> <appender-ref ref = "fileInfoLog" /> <appender-ref ref = "fileErrorLog" />   </root> </configuration>

单例测试：

import lombok . Data ; import lombok . extern . slf4j . Slf4j ; import org . junit . jupiter . api . Test ; import org . junit . runner . RunWith ; import org . springframework . boot . test . context . SpringBootTest ; import org . springframework . test . context . junit4 . SpringRunner ;   @RunWith ( SpringRunner . class ) @SpringBootTest @Slf4j @Data public class LoggerTest {   @Test public void test1 (){ String name = "laomi" ; String password = "123456" ; log . info ( "debug....." ); log . info ( "info....." ); log . error ( "error...." ); log . info ( "name:{}, password:{}" , name , password );   } }

添加依赖：

<dependency> <groupId> org.projectlombok </groupId> <artifactId> lombok </artifactId> <scope> test </scope> </dependency>

fileNamePattern这个是文件路径，我是在这个项目的同级目录找到新创建的文件夹的

以此文章以后方便二次使用。

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原文链接：https://blog.csdn.net/weixin_43449246/article/details/118511899

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