springboot log4j2日志框架整合与使用过程解析

<dependency>

     <groupId>org.springframework.boot</groupId>

     <artifactId>spring-boot-starter-web</artifactId>

     <exclusions>

         <exclusion>

             <groupId>org.springframework.boot</groupId>

             <artifactId>spring-boot-starter-logging</artifactId>

         </exclusion>

     </exclusions>

</dependency>

<dependency>

     <groupId>org.springframework.boot</groupId>

     <artifactId>spring-boot-starter-log4j2</artifactId>

</dependency>

<dependency>

     <groupId>net.sf.dozer</groupId>

     <artifactId>dozer</artifactId>

     <version> 5.4 . 0 </version>

     <exclusions>

         <exclusion>

             <groupId>org.slf4j</groupId>

             <artifactId>slf4j-log4j12</artifactId>

         </exclusion>

     </exclusions>

</dependency>

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

< configuration >

     < properties >

         <!--日志输出位置-->

         < property name = "LOG_HOME" >D:/logs</ property >

     </ properties >

     < Appenders >

         <!-- 将日志输出到控制台-->

         < Console name = "CONSOLE" target = "SYSTEM_OUT" >

             <!--设置日志格式及颜色-->

             < PatternLayout

                     pattern = "[%style{%d}{bright,green}][%highlight{%p}][%style{%t}{bright,blue}][%style{%C}{bright,yellow}]: %msg%n%style{%throwable}{red}"

                     disableAnsi = "false" noConsoleNoAnsi = "false" />

         </ Console >

         <!-- 将日志输出到文件-->

         < RollingFile name = "FILE-APPENDER"

                      fileName = "${LOG_HOME}/log4j2-demo.log"

                      filePattern = "${LOG_HOME}/log4j2-demo-%d{yyyy-MM-dd}-%i.log" >

             <!--设置日志格式-->

             < PatternLayout >

                 < pattern >[%d][%p][%t][%C] %m%n</ pattern >

             </ PatternLayout >

             < Policies >

                 <!-- 设置日志文件切分参数 -->

                 < SizeBasedTriggeringPolicy size = "100 MB" />

                 < TimeBasedTriggeringPolicy />

             </ Policies >

             <!--设置最大存档数-->

             < DefaultRolloverStrategy max = "20" />

         </ RollingFile >

     </ Appenders >

     < Loggers >

         <!-- 根日志设置 -->

         < Root level = "debug" >

             < AppenderRef ref = "CONSOLE" level = "debug" />

             < AppenderRef ref = "FILE-APPENDER" level = "info" />

         </ Root >

         <!--spring日志-->

         < Logger name = "org.springframework" level = "info" />

         <!-- mybatis日志 -->

         < Logger name = "com.mybatis" level = "warn" />

     </ Loggers >

</ configuration >

logging:

     config: classpath:log4j2-dev.xml

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

@RestController

public class LogTestController {

     private static final Logger logger = LoggerFactory.getLogger(LogTestController. class );

     @GetMapping ( "/testlog" )

     public void test(){

         logger.trace( "Trace 日志..." );

         logger.debug( "Debug 日志..." );

         logger.info( "Info 日志..." );

         logger.warn( "Warn 日志..." );

         logger.error( "Error 日志..." );

     }

}

< PatternLayout pattern = "[%style{%d}{bright,green}][%highlight{%p}][%style{%t}{bright,blue}][%style{%C}{bright,yellow}]: %msg%n%style{%throwable}{red}"

                     disableAnsi = "false" noConsoleNoAnsi = "false" />