SpringBoot(八)---SpringBoot配置日志文件--688IT编程网

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。

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。

默认情况下，SpringBoot使⽤SLF4J+Logback记录⽇志。

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ID

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：

<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：

</dependency>

<groupId>ch.qos.logback</groupId>

<artifactId>logback-classic</artifactId>

</dependency>

<groupId>ch.qos.logback</groupId>

<artifactId>logback-core</artifactId>

</dependency>

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l⽂件，加⼊jar包

<project xmlns="/POM/4.0.0"

xmlns:xsi="/2001/XMLSchema-instance"

xsi:schemaLocation="/POM/4.0.0 /maven-v4_0_0.xsd">

<groupId>springboot_002</groupId>

<artifactId>springboot_002</artifactId>

<version>0.0.1-SNAPSHOT</version>

<name>springboot_002 Maven Webapp</name>

</dependency>

<groupId>ch.qos.logback</groupId>

<artifactId>logback-classic</artifactId>

</dependency>

<groupId>ch.qos.logback</groupId>

<artifactId>logback-core</artifactId>

</dependency>

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

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

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

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

</exclusion>

</exclusions>

</dependency>

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

<artifactId>spring-boot-configuration-processor</artifactId>

</dependency>

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

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

<scope>provided</scope>

</dependency>

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

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

</dependency>

</dependencies>

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

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

<version>1.4.3.RELEASE</version>

</parent>

<build>

<finalName>springboot_002</finalName>

</build>

</project>

第三步，在src/main/java⽬录下建包springboot，并创建⼀个SpringBootApplicationFirst.java启动类。

SpringBootApplicationFirst.java

package springboot;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.boot.web.support.SpringBootServletInitializer;

@SpringBootApplication

public class SpringBootApplicationFirst extends SpringBootServletInitializer{

public static void main(String[]args){

SpringApplication.run(SpringBootApplicationFirst.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：

logging.level.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springboot(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

package springboot;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.st.context.SpringBootTest;

import st.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)

@SpringBootTest

public class SpringBootApplicationTests {

//⽇志的级别

* ⽇志的级别是由⾼到低的

* SpringBoot默认⽇志级别---info级别

* trace>debug>info>warn>error

//记录器

Logger Logger(getClass());

@Test

public void contextLoads() {

logger.debug("这是debug⽇志...");

logger.info("这是info⽇志...");

logger.warn("这是warn⽇志...");

<("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。

当然我们可以通过配置属性⽂件中的logging.file或者logging.path将⽇志⽂件输出到单独的⽂件中，需要注意的的是，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。

⼀．如果我们配置

springboot切换log4j2

logging.file=SpringBoot.log

则在⼯程⽬录下会⽣成⼀个SpringBoot.log⽂件。

⽇志⽂件内容如下：

2020-04-08 16:38:31.006 INFO 20008 --- [main] SpringBootApplicationTests : Starting SpringBootApplicationTests on zhangkun0400 with PID 20008 (started by zhangkun04 in D:\eclipseworkspace\springboot_002)

2020-04-08 16:38:31.006 DEBUG 20008 --- [main] SpringBootApplicationTests : Running with Spring Boot v1.4.3.RELEASE, Spring v4.3.5.RELEASE

2020-04-08 16:38:31.007 INFO 20008 --- [main] SpringBootApplicationTests : No active profile set, falling back to default profiles: default

2020-04-08 16:38:31.036 INFO 20008 --- [main] o.s.GenericWebApplicationContext : Refreshing org.t.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:38:31 CST 2020]; root of 2020-04-08 16:38:32.802 INFO 20008 --- [main] s.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.t.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:38 2020-04-08 16:38:32.842 INFO 20008 --- [main] s.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.htt

p.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boo 2020-04-08 16:38:32.844 INFO 20008 --- [main] s.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.Ba 2020-04-08 16:38:32.870 INFO 20008 --- [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.source.ResourceHttpRequestHandler]

2020-04-08 16:38:32.870 INFO 20008 --- [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.source.ResourceHttpRequestHandler]

2020-04-08 16:38:32.901 INFO 20008 --- [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.source.ResourceHttpRequestHandler]

2020-04-08 16:38:33.050 INFO 20008 --- [main] SpringBootApplicationTests : Started SpringBootApplicationTests in 2.379 seconds (JVM running for 3.06)

2020-04-08 16:38:33.073 DEBUG 20008 --- [main] SpringBootApplicationTests : 这是debug

⽇志...

2020-04-08 16:38:33.073 INFO 20008 --- [main] SpringBootApplicationTests : 这是info⽇志...

2020-04-08 16:38:33.074 WARN 20008 --- [main] SpringBootApplicationTests : 这是warn⽇志...

2020-04-08 16:38:33.074 ERROR 20008 --- [main] SpringBootApplicationTests : 这是error⽇志...

2020-04-08 16:38:33.080 INFO 20008 --- [Thread-1] o.s.GenericWebApplicationContext : Closing org.t.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:38:31 CST 2020]; root of 2020-04-08 16:46:06.593 INFO 14984 --- [main] SpringBootApplicationTests : Starting SpringBootApplicationTests on zhangkun0400 with PID 14984 (started by zhangkun04 in D:\eclipseworkspace\springboot_002)

2020-04-08 16:46:06.594 DEBUG 14984 --- [main] SpringBootApplicationTests : Running with Spring Boot v1.4.3.RELEASE, Spring v4.3.5.RELEASE

2020-04-08 16:46:06.594 INFO 14984 --- [main] SpringBootApplicationTests : No active profile set, falling back to default profiles: default

2020-04-08 16:46:06.623 INFO 14984 --- [main] o.s.GenericWebApplicationContext : Refreshing org.t.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:46:06 CST 2020]; root of 2020-04-08 16:46:07.968 INFO 14984 --- [main] s.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.t.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:46 2020-04-08 16:46:08.052 INFO 14984 --- [main] s.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boo 2020-04-08 16:46:08.053 INFO 14984 --- [main] s.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.Ba 2020-04-08 16:46:08.101 INFO 14984 --- [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.source.ResourceHttpRequestHandler]

2020-04-08 16:46:08.102 INFO 14984 --- [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.source.ResourceHttpRequestHandler]

2020-04-08 16:46:08.157 INFO 14984 --- [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.source.ResourceHttpRequestHandler]

2020-04-08 16:46:08.410 INFO 14984 --- [main] SpringBootApplicationTests : Started SpringBootApplicationTests in 2.123 seconds (JVM running for 2.649)

2020-04-08 16:46:08.449 DEBUG 14984 --- [main] SpringBootApplicationTests : 这是debug⽇志...

2020-04-08 16:46:08.450 INFO 14984 --- [main] SpringBootApplicationTests : 这是info⽇志...

2020-04-08 16:46:08.450 WARN 14984 --- [main] SpringBootApplicationTests : 这是warn⽇志...

2020-04-08 16:46:08.451 ERROR 14984 --- [main] SpringBootApplicationTests : 这是error⽇志...

2020-04-08 16:46:08.460 INFO 14984 --- [Thread-1] o.s.GenericWebApplicationContext : Closing org.t.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:46:06 CST 2020]; root of 2020-04-08 21:07:59.766 INFO 15932 --- [main] SpringBootApplicationTests : Starting SpringBootApplicationTests on zhangkun0400 with PID 15932 (started by zhangkun04 in D:\eclipseworkspace\springboot_002)

2020-04-08 21:07:59.768 DEBUG 15932 --- [main] SpringBootApplicationTests : Running with Spring Boot v1.4.3.RELEASE, Spring v4.3.5.RELEASE

2020-04-08 21:07:59.769 INFO 15932 --- [main] SpringBootApplicationTests : No active profile set, falling back to default profiles: default

2020-04-08 21:07:59.814 INFO 15932 --- [main] o.s.GenericWebApplicationContext : Refreshing org.t.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 21:07:59 CST 2020]; root of 2020-04-08 21:08:01.360 INFO 15932 --- [main] s.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.w

2020-04-08 21:08:01.448 INFO 15932 --- [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.source.ResourceHttpRequestHandler]

2020-04-08 21:08:01.487 INFO 15932 --- [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**/favicon.ico] onto handler of type [class org.springframework.source.ResourceHttpRequestHandler]

2020-04-08 21:08:01.639 INFO 15932 --- [main] SpringBootApplicationTests : Started SpringBootApplicationTests in 2.275 seconds (JVM running for 3.022)

2020-04-08 21:08:01.661 DEBUG 15932 --- [main] SpringBootApplicationTests : 这是debug⽇志...

2020-04-08 21:08:01.661 INFO 15932 --- [main] SpringBootApplicationTests : 这是info⽇志...

2020-04-08 21:08:01.661 WARN 15932 --- [main] SpringBootApplicationTests : 这是warn⽇志...

2020-04-08 21:08:01.661 ERROR 15932 --- [main] SpringBootApplicationTests : 这是error⽇志...

2020-04-08 21:08:01.665 INFO 15932 --- [Thread-1] o.s.GenericWebApplicationContext : Closing org.t.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 21:07:59 CST 2020]; root of ⼆．如果我们配置的是loggin.path，如下：

logging.path=/spring/log

则会在我们项⽬的磁盘下创建⼀个log⽂件，

spring.log⽇志⽂件内容如下：

2020-04-08 16:51:48.278 INFO 16368 --- [main] SpringBootApplicationTests : Starting SpringBootApplicationTests on zhangkun0400 with PID 16368 (started by zhangkun04 in D:\eclipseworkspace\springboot_002)

2020-04-08 16:51:48.279 DEBUG 16368 --- [main] SpringBootApplicationTests : Running with Spring Boot v1.4.3.RELEASE, Spring v4.3.5.RELEASE

2020-04-08 16:51:48.280 INFO 16368 --- [main] SpringBootApplicationTests : No active profile set, falling back to default profiles: default

2020-04-08 16:51:48.323 INFO 16368 --- [main] o.s.GenericWebApplicationContext : Refreshing org.t.support.GenericWebApplicationContext@5d0a1059: star

tup date [Wed Apr 08 16:51:48 CST 2020]; root of 2020-04-08 16:51:51.273 INFO 16368 --- [main] s.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.t.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:51 2020-04-08 16:51:51.402 INFO 16368 --- [main] s.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boo 2020-04-08 16:51:51.404 INFO 16368 --- [main] s.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.Ba 2020-04-08 16:51:51.469 INFO 16368 --- [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.source.ResourceHttpRequestHandler]

2020-04-08 16:51:51.470 INFO 16368 --- [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/**] onto handler of type [class org.springframework.source.ResourceHttpRequestHandler]

2020-04-08 16:51:51.560 INFO 16368 --- [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped

URL path [/**/favicon.ico] onto handler of type [class org.springframework.source.ResourceHttpRequestHandler]

2020-04-08 16:51:51.936 INFO 16368 --- [main] SpringBootApplicationTests : Started SpringBootApplicationTests in 4.249 seconds (JVM running for 5.196)

2020-04-08 16:51:51.996 DEBUG 16368 --- [main] SpringBootApplicationTests : 这是debug⽇志...

2020-04-08 16:51:51.997 INFO 16368 --- [main] SpringBootApplicationTests : 这是info⽇志...

2020-04-08 16:51:51.998 WARN 16368 --- [main] SpringBootApplicationTests : 这是warn⽇志...

2020-04-08 16:51:51.999 ERROR 16368 --- [main] SpringBootApplicationTests : 这是error⽇志...

2020-04-08 16:51:52.038 INFO 16368 --- [Thread-1] o.s.GenericWebApplicationContext : Closing org.t.support.GenericWebApplicationContext@5d0a1059: startup

date [Wed Apr 08 16:51:48 CST 2020]; root of 我们可以通过sole属性或者logging.pattern.file属性来设置我们的⽇志⽂件输出格式。

sole=%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

　输出内容如下：

五.⾃定义配置⽂件

5.1配置单个l环境

我们可以在项⽬中⾃定义单个l⽂件，配置对应的⽇志⽂件信息。

⼯程⽬录如下：

添加l

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

<configuration

xmlns:xsi="/2001/XMLSchema-instance"

xsi:noNamespaceSchemaLocation="www.padual/java/logback.xsd"

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

<pattern>[%-5level]---> %d{${DATETIME}}---> [%thread]---> %logger{36}---> - %m%n

</pattern>

</encoder>

</appender>

<pattern>[%-5level]---> %d{${DATETIME}}---> [%thread]---> %logger{36}---> - %m%n

</pattern>

</encoder>

<level>ERROR</level>

<onMatch>ACCEPT</onMatch>

</filter>

<fileNamePattern>${ROOT}%d/error.%i.log</fileNamePattern>

<maxHistory>${MAXHISTORY}</maxHistory>

<timeBasedFileNamingAndTriggeringPolicy

class="ch.olling.SizeAndTimeBasedFNATP">

<maxFileSize>${FILESIZE}</maxFileSize>

</timeBasedFileNamingAndTriggeringPolicy>

</rollingPolicy>

</appender>

<pattern>[%-5level]---> %d{${DATETIME}}---> [%thread]---> %logger{36}---> - %m%n

</pattern>

</encoder>

<onMatch>ACCEPT</onMatch>

</filter>

<maxHistory>${MAXHISTORY}</maxHistory>

<maxFileSize>${FILESIZE}</maxFileSize>

</timeBasedFileNamingAndTriggeringPolicy>

</rollingPolicy>

</appender>

<pattern>[%-5level] %d{${DATETIME}} [%thread] %logger{36} - %m%n

</pattern>

</encoder>

<onMatch>ACCEPT</onMatch>

</filter>

<maxHistory>${MAXHISTORY}</maxHistory>

<maxFileSize>${FILESIZE}</maxFileSize>

</timeBasedFileNamingAndTriggeringPolicy>

</rollingPolicy>

</appender>

<pattern>[%-5level] %d{${DATETIME}} [%thread] %logger{36} - %m%n

</pattern>

</encoder>

<level>DEBUG</level>

<onMatch>ACCEPT</onMatch>

</filter>

<fileNamePattern>${ROOT}%d/debug.%i.log</fileNamePattern>

<maxHistory>${MAXHISTORY}</maxHistory>

<timeBasedFileNamingAndTriggeringPolicy

class="ch.olling.SizeAndTimeBasedFNATP">

<maxFileSize>${FILESIZE}</maxFileSize>

</timeBasedFileNamingAndTriggeringPolicy>

</rollingPolicy>

</appender>

<pattern>[%-5level] %d{${DATETIME}} [%thread] %logger{36} - %m%n

</pattern>

</encoder>

<level>TRACE</level>

<onMatch>ACCEPT</onMatch>

</filter>

<rollingPolicy

class="ch.olling.TimeBasedRollingPolicy">

<fileNamePattern>${ROOT}%d/trace.%i.log</fileNamePattern>

<maxHistory>${MAXHISTORY}</maxHistory>

<timeBasedFileNamingAndTriggeringPolicy

class="ch.olling.SizeAndTimeBasedFNATP">

<maxFileSize>${FILESIZE}</maxFileSize>

</timeBasedFileNamingAndTriggeringPolicy>

</rollingPolicy>

</appender>

<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>

　可以在l中配置对应的⽇志信息。启动程序输出内容如下：

5.2配置多个logback环境

我们也可以在l⽂件中配置多个logback环境，具体l配置如下：

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

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SpringBoot(八)---SpringBoot配置日志文件

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