SpringBoot(八)----SpringBoot配置日志文件

今天介绍一下SpringBoot配置日志文件

SpringBoot在所有的内部日志中使用Commons Logging,但是默认配置也提供了对常用日志的支持,如Java Util Logging,Log4J,Log4J2和Logback。但是每种Logger都可以通过配置使用控制台或者文件输出日志内容。

不同的日志框架使用不同的配置文件

Logback logback-spring.xml, logback-spring.groovy, logback.xml, logback.groovy
Log4j log4j-spring.properties, log4j-spring.xml, log4j.properties, log4j.xml
Log4j2 log4j2-spring.xml, log4j2.xml
JDK(Java Util Logging) logging.properties

一.SpringBoot默认日志Logback

SLF4J,是一个针对各类Java日志框架的统一Façade抽象。Java有很多的日志框架,如java.util.logging,log4j,logback,commons-logging,Spring框架使用的是Jakarta Commons Logging API(JCL)。而SLF4J定义了统一的日志抽象接口,而真正的日志实现则是在运行决定的。

Logback是log4j框架的作者开发的新一代日志框架,它能够适应诸多运行环境,支持SLF4J。

(1)默认情况下,SpringBoot底层使用SLF4J+Logback记录日志。

(2)SpringBoot也把其他日志替换成了SLF4J。

SpringBoot能够自动适配所有的日志,而且底层使用slf4j+logback的方式记录日志,引入其他框架的时候,只需要把这个框架依赖的日志框架排除掉。

二.日志输出的内容元素

日志输出的内容元素具体如下:

时间日期:精确到毫秒

日志级别:ERROR,WARN,INFO,DEBUG,TRACE

进程ID2

分隔符:---标识实际日志的开始

线程名:方括号括起来的内容

Logger名:通常为源代码类名

日志内容

三.添加日志依赖

网上给出的日志依赖为:

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<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-logging</artifactId>
</dependency>

Spring boot应用将自动使用logback作为应用日志框架,Spring Boot启动的时候,由org.springframework.boot.logging.Logging-Application-Listener根据情况初始化并使用。spring-boot-starter中包含spring-boot-starter-logging,该依赖内容就是Spring boot默认的日志框架logback。

我自己使用的依赖如下:

SpringBoot的日志依赖为:

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<dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
        </dependency>
</dependencies>

Spring框架使用的是commons-logging 

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<dependencies>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
    <exclusions>
          <exclusion>
            <groupId>commons-logging</groupId>
            <artifactId>commons-logging</artifactId>
          </exclusion>
    </exclusions>
        </dependency>
</dependencies> 

四.控制台输出

日志级别从低到高分别是TRACE<DEBUG<INFO<WARN<ERROR<FATAL,如果设置为WARN,则低于WARN的信息都不会被输出。

SpringBoot中默认配置ERROR、WARN和INFO级别的日志输出到控制台。

在application.properties中配置logging.level.包名=‘日志级别’,可以控制控制台输出日志级别,举个例子:

首先,建一个springboot项目,项目目录如下:

第二步,配置pom.xml文件,加入jar包

 pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.zk</groupId>
    <artifactId>logdemo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>logdemo</name>
    <description>Demo project for Spring Boot</description>
 
    <properties>
        <java.version>1.8</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <spring-boot.version>2.3.7.RELEASE</spring-boot.version>
    </properties>
 
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>
 
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>${spring-boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
 
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>2.3.7.RELEASE</version>
                <configuration>
                    <mainClass>com.zk.logdemo.LogdemoApplication</mainClass>
                </configuration>
                <executions>
                    <execution>
                        <id>repackage</id>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
 
</project>

第三步,在src/main/java目录下建包com.zk.logdemo,并创建一个LogdemoApplication.java启动类。

SpringBootApplicationFirst.java

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package com.zk.logdemo;
 
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
 
@SpringBootApplication
public class LogdemoApplication {
 
    public static void main(String[] args) {
        SpringApplication.run(LogdemoApplication.class, args);
    }
 
}

第四步,在src/main/resources目录下配置application.properties文件,在application.properties中配置日志等级,如下:

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# 应用名称
spring.application.name=logdemo
# 应用服务 WEB 访问端口
server.port=8080
 
 
logging.level.com.zk=debug

这里的日志级别等级可以更改。

最后,我们在src/test/java下创建包com.zk.myspringboot(测试类包名需要与启动类包名保持一致),并在包中创建一个测试类SpringBootApplicationTest.java。

SpringBootApplicationTest.java

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package com.zk.logdemo;
 
import org.junit.jupiter.api.Test;
//import org.junit.platform.commons.logging.Logger;
//import org.junit.platform.commons.logging.LoggerFactory;
import org.springframework.boot.test.context.SpringBootTest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
 
@SpringBootTest
class LogdemoApplicationTests {
    //记录器
    Logger logger=LoggerFactory.getLogger(getClass());
    @Test
    void contextLoads() {
        //日志的级别:由低到高
        // trace<debug<info<warn<error
        // 可以调整输出日志的级别
        logger.trace("这是trace日志...");
        logger.debug("这是debug日志...");
        logger.info("这是info日志...");
        logger.warn("这是warn日志...");
        logger.error("这是error日志...");
    }
 
}

我们启动测试类,执行结果如下: 

可以看到日志的输出内容。

如果没有指定日志级别

application.properties

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# 应用名称
spring.application.name=logdemo
# 应用服务 WEB 访问端口
server.port=8080

我们启动测试类,执行结果如下:

可以看到SpringBoot的默认日志级别为info级别。

当然我们可以通过配置属性文件中的logging.file或者logging.file.path将日志文件输出到单独的文件中,需要注意的是,这两个配置文件的属性值不可同时使用,否则只有logging.file生效。

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# 应用名称
spring.application.name=logdemo
# 应用服务 WEB 访问端口
server.port=8080
 
logging.level.com.zk.logdemo=trace
logging.file.name=zk.log

在指定了logging.file.name之后,我们可以看到生成了一个zk.log

日志文件内容如下:

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2022-08-17 23:49:29.806  INFO 6392 --- [main] com.zk.logdemo.LogdemoApplicationTests   : Starting LogdemoApplicationTests on DESKTOP-Q8FGG4E with PID 6392 (started by vitue in D:\javaproject\springbootlogdemo)
2022-08-17 23:49:29.807 DEBUG 6392 --- [main] com.zk.logdemo.LogdemoApplicationTests   : Running with Spring Boot v2.3.7.RELEASE, Spring v5.2.12.RELEASE
2022-08-17 23:49:29.808  INFO 6392 --- [main] com.zk.logdemo.LogdemoApplicationTests   : No active profile set, falling back to default profiles: default
2022-08-17 23:49:32.046  INFO 6392 --- [main] o.s.s.concurrent.ThreadPoolTaskExecutor  : Initializing ExecutorService 'applicationTaskExecutor'
2022-08-17 23:49:32.591  INFO 6392 --- [main] com.zk.logdemo.LogdemoApplicationTests   : Started LogdemoApplicationTests in 3.249 seconds (JVM running for 5.231)
2022-08-17 23:49:32.980 TRACE 6392 --- [main] com.zk.logdemo.LogdemoApplicationTests   : 这是trace日志...
2022-08-17 23:49:32.980 DEBUG 6392 --- [main] com.zk.logdemo.LogdemoApplicationTests   : 这是debug日志...
2022-08-17 23:49:32.981  INFO 6392 --- [main] com.zk.logdemo.LogdemoApplicationTests   : 这是info日志...
2022-08-17 23:49:32.981  WARN 6392 --- [main] com.zk.logdemo.LogdemoApplicationTests   : 这是warn日志...
2022-08-17 23:49:32.982 ERROR 6392 --- [main] com.zk.logdemo.LogdemoApplicationTests   : 这是error日志...
2022-08-17 23:49:33.019  INFO 6392 --- [SpringContextShutdownHook] o.s.s.concurrent.ThreadPoolTaskExecutor  : Shutting down ExecutorService 'applicationTaskExecutor' 

二.如果我们配置的是logging.file.path,如下:

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logging.file.path=D:/zk.log

则会在我们项目的磁盘下创建一个log文件,

 在当前磁盘的根路径下创建spring文件夹和里面的log文件夹;使用spring.log作为默认文件

spring.log日志文件内容如下:

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2022-08-17 23:54:45.074  INFO 10400 --- [main] com.zk.logdemo.LogdemoApplicationTests   : Starting LogdemoApplicationTests on DESKTOP-Q8FGG4E with PID 10400 (started by vitue in D:\javaproject\springbootlogdemo)
2022-08-17 23:54:45.076 DEBUG 10400 --- [main] com.zk.logdemo.LogdemoApplicationTests   : Running with Spring Boot v2.3.7.RELEASE, Spring v5.2.12.RELEASE
2022-08-17 23:54:45.077  INFO 10400 --- [main] com.zk.logdemo.LogdemoApplicationTests   : No active profile set, falling back to default profiles: default
2022-08-17 23:54:46.824  INFO 10400 --- [main] o.s.s.concurrent.ThreadPoolTaskExecutor  : Initializing ExecutorService 'applicationTaskExecutor'
2022-08-17 23:54:47.329  INFO 10400 --- [main] com.zk.logdemo.LogdemoApplicationTests   : Started LogdemoApplicationTests in 2.789 seconds (JVM running for 4.86)
2022-08-17 23:54:47.634 TRACE 10400 --- [main] com.zk.logdemo.LogdemoApplicationTests   : 这是trace日志...
2022-08-17 23:54:47.635 DEBUG 10400 --- [main] com.zk.logdemo.LogdemoApplicationTests   : 这是debug日志...
2022-08-17 23:54:47.635  INFO 10400 --- [main] com.zk.logdemo.LogdemoApplicationTests   : 这是info日志...
2022-08-17 23:54:47.636  WARN 10400 --- [main] com.zk.logdemo.LogdemoApplicationTests   : 这是warn日志...
2022-08-17 23:54:47.637 ERROR 10400 --- [main] com.zk.logdemo.LogdemoApplicationTests   : 这是error日志...
2022-08-17 23:54:47.675  INFO 10400 --- [SpringContextShutdownHook] o.s.s.concurrent.ThreadPoolTaskExecutor  : Shutting down ExecutorService 'applicationTaskExecutor'

   我们可以通过logging.pattern.console属性或者logging.pattern.file属性来设置我们的日志文件输出格式。

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logging.pattern.console=%d{yyyy-MM-dd HH:mm:ss:SSS}----> [%thread]----> %-5level----> %logger{50}----> -%msg%n
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logging.pattern.file=%d{yyyy-MM-dd HH:mm:ss:SSS}----> [%thread]----> %-5level----> %logger{50}----> -%msg%n

 输出内容如下:

五.自定义配置文件

5.1配置单个logback.xml环境 

我们可以在项目中自定义单个logback.xml文件,配置对应的日志文件信息。

工程目录如下:

添加logback.xml

logback.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!-- 日志级别从低到高分为TRACE < DEBUG < INFO < WARN < ERROR < FATAL,如果设置为WARN,则低于WARN的信息都不会输出 -->
<!-- scan:当此属性设置为true时,配置文档如果发生改变,将会被重新加载,默认值为true -->
<!-- scanPeriod:设置监测配置文档是否有修改的时间间隔,如果没有给出时间单位,默认单位是毫秒。
                 当scan为true时,此属性生效。默认的时间间隔为1分钟。 -->
<!-- debug:当此属性设置为true时,将打印出logback内部日志信息,实时查看logback运行状态。默认值为false。 -->
<configuration  scan="true" scanPeriod="10 seconds">
    <contextName>logback</contextName>
 
    <!-- name的值是变量的名称,value的值时变量定义的值。通过定义的值会被插入到logger上下文中。定义后,可以使“${}”来使用变量。 -->
    <property name="log.path" value="./log" />
 
    <!--0. 日志格式和颜色渲染 -->
    <!-- 彩色日志依赖的渲染类 -->
    <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" />
    <!-- 彩色日志格式 -->
    <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(${PID:- }){magenta} %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}}"/>
 
    <!--1. 输出到控制台-->
    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <!--此日志appender是为开发使用,只配置最底级别,控制台输出的日志级别是大于或等于此级别的日志信息-->
        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
            <level>debug</level>
        </filter>
        <encoder>
            <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS}------------> [%thread] %-5level %logger{50} - %msg%n</Pattern>
            <!-- 设置字符集 -->
            <charset>UTF-8</charset>
        </encoder>
    </appender>
 
    <!--2. 输出到文档-->
    <!-- 2.1 level为 DEBUG 日志,时间滚动输出  -->
    <appender name="DEBUG_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- 正在记录的日志文档的路径及文档名 -->
        <file>${log.path}/web_debug.log</file>
        <!--日志文档输出格式-->
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
            <charset>UTF-8</charset> <!-- 设置字符集 -->
        </encoder>
        <!-- 日志记录器的滚动策略,按日期,按大小记录 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 日志归档 -->
            <fileNamePattern>${log.path}/web-debug-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <!--日志文档保留天数-->
            <maxHistory>15</maxHistory>
        </rollingPolicy>
        <!-- 此日志文档只记录debug级别的 -->
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>debug</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
 
    <!-- 2.2 level为 INFO 日志,时间滚动输出  -->
    <appender name="INFO_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- 正在记录的日志文档的路径及文档名 -->
        <file>${log.path}/web_info.log</file>
        <!--日志文档输出格式-->
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
            <charset>UTF-8</charset>
        </encoder>
        <!-- 日志记录器的滚动策略,按日期,按大小记录 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 每天日志归档路径以及格式 -->
            <fileNamePattern>${log.path}/web-info-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <!--日志文档保留天数-->
            <maxHistory>15</maxHistory>
        </rollingPolicy>
        <!-- 此日志文档只记录info级别的 -->
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>info</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
 
    <!-- 2.3 level为 WARN 日志,时间滚动输出  -->
    <appender name="WARN_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- 正在记录的日志文档的路径及文档名 -->
        <file>${log.path}/web_warn.log</file>
        <!--日志文档输出格式-->
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
            <charset>UTF-8</charset> <!-- 此处设置字符集 -->
        </encoder>
        <!-- 日志记录器的滚动策略,按日期,按大小记录 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${log.path}/web-warn-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <!--日志文档保留天数-->
            <maxHistory>15</maxHistory>
        </rollingPolicy>
        <!-- 此日志文档只记录warn级别的 -->
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>warn</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
 
    <!-- 2.4 level为 ERROR 日志,时间滚动输出  -->
    <appender name="ERROR_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- 正在记录的日志文档的路径及文档名 -->
        <file>${log.path}/web_error.log</file>
        <!--日志文档输出格式-->
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
            <charset>UTF-8</charset> <!-- 此处设置字符集 -->
        </encoder>
        <!-- 日志记录器的滚动策略,按日期,按大小记录 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${log.path}/web-error-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <!--日志文档保留天数-->
            <maxHistory>15</maxHistory>
        </rollingPolicy>
        <!-- 此日志文档只记录ERROR级别的 -->
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
 
    <!--
        <logger>用来设置某一个包或者具体的某一个类的日志打印级别、
        以及指定<appender>。<logger>仅有一个name属性,
        一个可选的level和一个可选的addtivity属性。
        name:用来指定受此logger约束的某一个包或者具体的某一个类。
        level:用来设置打印级别,大小写无关:TRACE, DEBUG, INFO, WARN, ERROR, ALL 和 OFF,
              还有一个特俗值INHERITED或者同义词NULL,代表强制执行上级的级别。
              如果未设置此属性,那么当前logger将会继承上级的级别。
        addtivity:是否向上级logger传递打印信息。默认是true
        <logger name="org.springframework.web" level="info"/>
        <logger name="org.springframework.scheduling.annotation.ScheduledAnnotationBeanPostProcessor" level="INFO"/>
    -->
 
    <!--
        使用mybatis的时候,sql语句是debug下才会打印,而这里我们只配置了info,所以想要查看sql语句的话,有以下两种操作:
        第一种把<root level="info">改成<root level="DEBUG">这样就会打印sql,不过这样日志那边会出现很多其他消息
        第二种就是单独给dao下目录配置debug模式,代码如下,这样配置sql语句会打印,其他还是正常info级别:
        【logging.level.org.mybatis=debug logging.level.dao=debug】
     -->
 
    <!--
        root节点是必选节点,用来指定最基础的日志输出级别,只有一个level属性
        level:用来设置打印级别,大小写无关:TRACE, DEBUG, INFO, WARN, ERROR, ALL 和 OFF,
        不能设置为INHERITED或者同义词NULL。默认是DEBUG
        可以包含零个或多个元素,标识这个appender将会添加到这个logger。
    -->
 
    <!-- 4. 最终的策略 -->
    <!-- 4.1 开发环境:打印控制台-->
<!--    <springProfile name="dev">-->
<!--        <logger name="com" level="debug"/>-->
 
<!--    </springProfile>-->
 
 
    <root level="info">
        <appender-ref ref="CONSOLE" />
        <appender-ref ref="DEBUG_FILE" />
        <appender-ref ref="INFO_FILE" />
        <appender-ref ref="WARN_FILE" />
        <appender-ref ref="ERROR_FILE" />
    </root>
 
    <!-- 4.2 生产环境:输出到文档
    <springProfile name="pro">
        <root level="info">
            <appender-ref ref="CONSOLE" />
            <appender-ref ref="DEBUG_FILE" />
            <appender-ref ref="INFO_FILE" />
            <appender-ref ref="ERROR_FILE" />
            <appender-ref ref="WARN_FILE" />
        </root>
    </springProfile> -->
 
</configuration>

可以在logback.xml中配置对应的日志信息。启动程序输出内容如下:

或者配置logback-spring.xml文件,如果配置成logback-spring.xml文件,则可以使用标签<springProfile>。

 logback-spring.xml

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<?xml version="1.0" encoding="UTF-8"?>
<!-- 日志级别从低到高分为TRACE < DEBUG < INFO < WARN < ERROR < FATAL,如果设置为WARN,则低于WARN的信息都不会输出 -->
<!-- scan:当此属性设置为true时,配置文档如果发生改变,将会被重新加载,默认值为true -->
<!-- scanPeriod:设置监测配置文档是否有修改的时间间隔,如果没有给出时间单位,默认单位是毫秒。
                 当scan为true时,此属性生效。默认的时间间隔为1分钟。 -->
<!-- debug:当此属性设置为true时,将打印出logback内部日志信息,实时查看logback运行状态。默认值为false。 -->
<configuration  scan="true" scanPeriod="10 seconds">
    <contextName>logback</contextName>
 
    <!-- name的值是变量的名称,value的值时变量定义的值。通过定义的值会被插入到logger上下文中。定义后,可以使“${}”来使用变量。 -->
    <property name="log.path" value="./log" />
 
    <!--0. 日志格式和颜色渲染 -->
    <!-- 彩色日志依赖的渲染类 -->
    <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" />
    <!-- 彩色日志格式 -->
    <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(${PID:- }){magenta} %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}}"/>
 
    <!--1. 输出到控制台-->
    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <!--此日志appender是为开发使用,只配置最底级别,控制台输出的日志级别是大于或等于此级别的日志信息-->
        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
            <level>debug</level>
        </filter>
        <encoder>
            <springProfile name="dev">
            <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS}------------> [%thread] %-5level %logger{50} - %msg%n</Pattern>
            <!-- 设置字符集 -->
            <charset>UTF-8</charset>
            </springProfile>
            <springProfile name="!dev">
                <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS}================= [%thread] %-5level %logger{50} - %msg%n</Pattern>
                <!-- 设置字符集 -->
                <charset>UTF-8</charset>
            </springProfile>
        </encoder>
    </appender>
 
    <!--2. 输出到文档-->
    <!-- 2.1 level为 DEBUG 日志,时间滚动输出  -->
    <appender name="DEBUG_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- 正在记录的日志文档的路径及文档名 -->
        <file>${log.path}/web_debug.log</file>
        <!--日志文档输出格式-->
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
            <charset>UTF-8</charset> <!-- 设置字符集 -->
        </encoder>
        <!-- 日志记录器的滚动策略,按日期,按大小记录 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 日志归档 -->
            <fileNamePattern>${log.path}/web-debug-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <!--日志文档保留天数-->
            <maxHistory>15</maxHistory>
        </rollingPolicy>
        <!-- 此日志文档只记录debug级别的 -->
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>debug</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
 
    <!-- 2.2 level为 INFO 日志,时间滚动输出  -->
    <appender name="INFO_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- 正在记录的日志文档的路径及文档名 -->
        <file>${log.path}/web_info.log</file>
        <!--日志文档输出格式-->
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
            <charset>UTF-8</charset>
        </encoder>
        <!-- 日志记录器的滚动策略,按日期,按大小记录 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 每天日志归档路径以及格式 -->
            <fileNamePattern>${log.path}/web-info-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <!--日志文档保留天数-->
            <maxHistory>15</maxHistory>
        </rollingPolicy>
        <!-- 此日志文档只记录info级别的 -->
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>info</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
 
    <!-- 2.3 level为 WARN 日志,时间滚动输出  -->
    <appender name="WARN_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- 正在记录的日志文档的路径及文档名 -->
        <file>${log.path}/web_warn.log</file>
        <!--日志文档输出格式-->
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
            <charset>UTF-8</charset> <!-- 此处设置字符集 -->
        </encoder>
        <!-- 日志记录器的滚动策略,按日期,按大小记录 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${log.path}/web-warn-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <!--日志文档保留天数-->
            <maxHistory>15</maxHistory>
        </rollingPolicy>
        <!-- 此日志文档只记录warn级别的 -->
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>warn</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
 
    <!-- 2.4 level为 ERROR 日志,时间滚动输出  -->
    <appender name="ERROR_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- 正在记录的日志文档的路径及文档名 -->
        <file>${log.path}/web_error.log</file>
        <!--日志文档输出格式-->
        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
            <charset>UTF-8</charset> <!-- 此处设置字符集 -->
        </encoder>
        <!-- 日志记录器的滚动策略,按日期,按大小记录 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${log.path}/web-error-%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <!--日志文档保留天数-->
            <maxHistory>15</maxHistory>
        </rollingPolicy>
        <!-- 此日志文档只记录ERROR级别的 -->
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
 
    <!--
        <logger>用来设置某一个包或者具体的某一个类的日志打印级别、
        以及指定<appender>。<logger>仅有一个name属性,
        一个可选的level和一个可选的addtivity属性。
        name:用来指定受此logger约束的某一个包或者具体的某一个类。
        level:用来设置打印级别,大小写无关:TRACE, DEBUG, INFO, WARN, ERROR, ALL 和 OFF,
              还有一个特俗值INHERITED或者同义词NULL,代表强制执行上级的级别。
              如果未设置此属性,那么当前logger将会继承上级的级别。
        addtivity:是否向上级logger传递打印信息。默认是true
        <logger name="org.springframework.web" level="info"/>
        <logger name="org.springframework.scheduling.annotation.ScheduledAnnotationBeanPostProcessor" level="INFO"/>
    -->
 
    <!--
        使用mybatis的时候,sql语句是debug下才会打印,而这里我们只配置了info,所以想要查看sql语句的话,有以下两种操作:
        第一种把<root level="info">改成<root level="DEBUG">这样就会打印sql,不过这样日志那边会出现很多其他消息
        第二种就是单独给dao下目录配置debug模式,代码如下,这样配置sql语句会打印,其他还是正常info级别:
        【logging.level.org.mybatis=debug logging.level.dao=debug】
     -->
 
    <!--
        root节点是必选节点,用来指定最基础的日志输出级别,只有一个level属性
        level:用来设置打印级别,大小写无关:TRACE, DEBUG, INFO, WARN, ERROR, ALL 和 OFF,
        不能设置为INHERITED或者同义词NULL。默认是DEBUG
        可以包含零个或多个元素,标识这个appender将会添加到这个logger。
    -->
 
    <!-- 4. 最终的策略 -->
    <!-- 4.1 开发环境:打印控制台-->
<!--    <springProfile name="dev">-->
<!--        <logger name="com" level="debug"/>-->
 
<!--    </springProfile>-->
 
 
    <root level="info">
        <appender-ref ref="CONSOLE" />
        <appender-ref ref="DEBUG_FILE" />
        <appender-ref ref="INFO_FILE" />
        <appender-ref ref="WARN_FILE" />
        <appender-ref ref="ERROR_FILE" />
    </root>
 
    <!-- 4.2 生产环境:输出到文档
    <springProfile name="pro">
        <root level="info">
            <appender-ref ref="CONSOLE" />
            <appender-ref ref="DEBUG_FILE" />
            <appender-ref ref="INFO_FILE" />
            <appender-ref ref="ERROR_FILE" />
            <appender-ref ref="WARN_FILE" />
        </root>
    </springProfile> -->
 
</configuration>

当在application.properties文件中配置spring.profiles.active=dev时,激活开发环境

application.properties

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# 应用名称
spring.application.name=logdemo
# 应用服务 WEB 访问端口
server.port=8080
 
logging.level.com.zk.logdemo=trace
#logging.file.name=zk.log
#logging.file.path=D:/zk.log
#logging.pattern.console=%d{yyyy-MM-dd HH:mm:ss:SSS}----> [%thread]----> %-5level----> %logger{50}----> -%msg%n
#logging.pattern.file=%d{yyyy-MM-dd HH:mm:ss:SSS}----> [%thread]----> %-5level----> %logger{50}----> -%msg%n
spring.profiles.active=dev

 此时运行测试例

如果未激活开发环境,去掉spring.profiles.active=dev

此时运行测试例

SpringBoot切换日志框架

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.zk</groupId>
    <artifactId>logdemo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>logdemo</name>
    <description>Demo project for Spring Boot</description>
 
    <properties>
        <java.version>1.8</java.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <spring-boot.version>2.3.7.RELEASE</spring-boot.version>
    </properties>
 
    <dependencies>
        <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>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
            <exclusions>
                <exclusion>
                    <artifactId>logback-core</artifactId>
                    <groupId>ch.qos.logback</groupId>
                </exclusion>
                <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-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>
 
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-dependencies</artifactId>
                <version>${spring-boot.version}</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>
 
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>2.3.7.RELEASE</version>
                <configuration>
                    <mainClass>com.zk.logdemo.LogdemoApplication</mainClass>
                </configuration>
                <executions>
                    <execution>
                        <id>repackage</id>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
 
</project>

 排除spring-boot-starter-logging的日志框架,切换为spring-boot-starter-log4j2的日志框架

5.2配置多个logback环境

我们也可以在logback-spring.xml文件中配置多个logback环境,具体logback-spring.xml配置如下:

首先将logback.xml更改命名为logback-spring.xml,需要更改文件名,否则无法识别<spring-Profile>标签。

 

logback-spring.xml

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<?xml version="1.0" encoding="UTF-8"?>
<configuration
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="http://www.padual.com/java/logback.xsd"
    debug="false" scan="true" scanPeriod="30 second">
 
    <property name="PROJECT" value="iorder" />
    <property name="ROOT" value="logs/${PROJECT}/" />
    <property name="FILESIZE" value="50MB" />
    <property name="MAXHISTORY" value="100" />
    <timestamp key="DATETIME" datePattern="yyyy-MM-dd HH:mm:ss" />
    <!-- 控制台打印 -->
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder charset="utf-8">
            <pattern>[%-5level]---> %d{${DATETIME}}---> [%thread]---> %logger{36}---> - %m%n
            </pattern>
        </encoder>
        <layout class="ch.qos.logback.classic.PatternLayout">
        <springProfile name="dev">
            <pattern>[%-5level]=== %d{${DATETIME}}=== [%thread]=== %logger{36}=== - %m%n
            </pattern>
        </springProfile>
        <springProfile name="!dev">
            <pattern>[%-5level]---> %d{${DATETIME}}---> [%thread]---> %logger{36}---> - %m%n
            </pattern>
        </springProfile>
        </layout>
    </appender>
     
    <!-- ERROR 输入到文件,按日期和文件大小 -->
    <appender name="ERROR" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder charset="utf-8">
            <pattern>[%-5level]---> %d{${DATETIME}}---> [%thread]---> %logger{36}---> - %m%n
            </pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${ROOT}%d/error.%i.log</fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${FILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
    </appender>
     
    <!-- WARN 输入到文件,按日期和文件大小 -->
    <appender name="WARN" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder charset="utf-8">
            <pattern>[%-5level]---> %d{${DATETIME}}---> [%thread]---> %logger{36}---> - %m%n
            </pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>WARN</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${ROOT}%d/warn.%i.log</fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${FILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
    </appender>
     
    <!-- INFO 输入到文件,按日期和文件大小 -->
    <appender name="INFO" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder charset="utf-8">
            <pattern>[%-5level] %d{${DATETIME}} [%thread] %logger{36} - %m%n
            </pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>INFO</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${ROOT}%d/info.%i.log</fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${FILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
    </appender>
    <!-- DEBUG 输入到文件,按日期和文件大小 -->
    <appender name="DEBUG" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder charset="utf-8">
            <pattern>[%-5level] %d{${DATETIME}} [%thread] %logger{36} - %m%n
            </pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>DEBUG</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${ROOT}%d/debug.%i.log</fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${FILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
    </appender>
    <!-- TRACE 输入到文件,按日期和文件大小 -->
    <appender name="TRACE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder charset="utf-8">
            <pattern>[%-5level] %d{${DATETIME}} [%thread] %logger{36} - %m%n
            </pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>TRACE</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy
            class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${ROOT}%d/trace.%i.log</fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${FILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
    </appender>
     
    <!-- SQL相关日志输出-->
    <logger name="org.apache.ibatis" level="INFO" additivity="false" />
    <logger name="org.mybatis.spring" level="INFO" additivity="false" />
    <logger name="com.github.miemiedev.mybatis.paginator" level="INFO" additivity="false" />
     
    <!-- Logger 根目录 -->
    <root level="DEBUG">
        <appender-ref ref="STDOUT" />
        <appender-ref ref="DEBUG" /> 
        <appender-ref ref="ERROR" />
        <appender-ref ref="WARN" />
        <appender-ref ref="INFO" />
        <appender-ref ref="TRACE" />
    </root>
</configuration>

  配置多个logback环境的核心代码如下:

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<!-- 控制台打印 -->
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
    <encoder charset="utf-8">
        <pattern>[%-5level]---> %d{${DATETIME}}---> [%thread]---> %logger{36}---> - %m%n
        </pattern>
    </encoder>
    <layout class="ch.qos.logback.classic.PatternLayout">
    <springProfile name="dev">
        <pattern>[%-5level]=== %d{${DATETIME}}=== [%thread]=== %logger{36}=== - %m%n
        </pattern>
    </springProfile>
    <springProfile name="!dev">
        <pattern>[%-5level]---> %d{${DATETIME}}---> [%thread]---> %logger{36}---> - %m%n
        </pattern>
    </springProfile>
    </layout>
</appender>

 然后在application.properties配置文件中进行配置:

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logging.level.com.zk=debug
logging.file=SpringBoot.log
logging.path=/spring/log
 
#logging.pattern.console=%d{yyyy-MM-dd HH:mm:ss:SSS} [%thread] %-5level %logger{50} -%msg%n
 
#logging.pattern.file=%d{yyyy-MM-dd HH\:mm\:ss\:SSS} [%thread] %-5level %logger{50} -%msg%n
 
spring.profiles.active=prod

在logback-spring.xml中配置环境启动,启动后运行效果如下:

参考网址如下:https://blog.csdn.net/qq_37859539/article/details/82464745

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