SpringBoot统一日志框架的使用
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参考技术A 场景：A项目（slf4J + logback）: Spring（commons logging）、Hibernate（jboss-logging）、mybatis....
在项目中存在着各种不同的第三方 jar ，且它们的日志选择也可能不尽相同，显然这样是
不利于我们使用的，那么如果我们想为项目设置统一的日志框架该怎么办呢？
参考 SLF4J 官方 的解释
我们可以使用一种和要替换的日志框架类完全一样的 jar 进行替换，这样不至于原来的第三方 jar 报错，而这个替换的 jar 其实使用了 SLF4J API. 这样项目中的日志就都可以通过 SLF4J API 结合自己选择的框架进行日志输出。
统一日志框架使用步骤归纳如下：
根据上面总结的要统一日志框架的使用，第一步要排除其他的日志框架，在 Spring Boot 的 Maven 依
赖里可以清楚的看到 Spring Boot 排除了其他日志框架(<exclusions>标签)。
我们自行排除依赖时也只需要按照图中的方式就好了。
Spring Boot 是使用了 SLF4J+logback 的日志框架组合，查看 Spring Boot 项目的 Maven 依赖关系可
以看到 Spring Boot 的核心启动器 spring-boot-starter 引入了 spring-boot-starter-logging
而 spring-boot-starter-logging 的 Maven 依赖主要引入了 logback-classic (包含了日志框架 Logback
的实现)，log4j-to-slf4j (在 log4j 日志框架作者开发此框架的时候还没有想到使用日志抽象层进行开
发，因此出现了 log4j 向 slf4j 转换的工具)，jul-to-slf4j ( Java 自带的日志框架转换为 slf4j).
用 IDEA 工具查看 Maven 依赖关系，可以清晰的看到日志框架的引用
可见，Spring Boot 可以自动的适配日志框架，而且底层使用 SLF4j + LogBack 记录日志，如果我
们自行引入其他框架，需要排除其日志框架。
SpringBoot----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：
<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：
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.20</version> </dependency> <!-- 添加logback-classic依赖 --> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> </dependency> <!-- 添加logback-core依赖 --> <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pom.xml文件，加入jar包
pom.xml
<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 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>springboot_002</groupId> <artifactId>springboot_002</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>springboot_002 Maven Webapp</name> <url>http://maven.apache.org</url> <dependencies> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.20</version> </dependency> <!-- 添加logback-classic依赖 --> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> </dependency> <!-- 添加logback-core依赖 --> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-core</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <exclusions> <exclusion> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-configuration-processor</artifactId> <optional>true</optional> </dependency> <!-- 继承父包 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> <scope>provided</scope> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> </dependencies> <parent> <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com.zk.myspringboot，并创建一个SpringBootApplicationFirst.java启动类。
SpringBootApplicationFirst.java
package com.zk.myspringboot;
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.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
package com.zk.myspringboot;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.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=LoggerFactory.getLogger(getClass());
@Test
public void contextLoads() {
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。
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
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] c.z.m.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] c.z.m.SpringBootApplicationTests : Running with Spring Boot v1.4.3.RELEASE, Spring v4.3.5.RELEASE
2020-04-08 16:38:31.007 INFO 20008 --- [main] c.z.m.SpringBootApplicationTests : No active profile set, falling back to default profiles: default
2020-04-08 16:38:31.036 INFO 20008 --- [main] o.s.w.c.s.GenericWebApplicationContext : Refreshing org.springframework.web.context.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:38:31 CST 2020]; root of context hierarchy
2020-04-08 16:38:32.802 INFO 20008 --- [main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.web.context.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:38:31 CST 2020]; root of context hierarchy
2020-04-08 16:38:32.842 INFO 20008 --- [main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2020-04-08 16:38:32.844 INFO 20008 --- [main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
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.web.servlet.resource.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.web.servlet.resource.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.web.servlet.resource.ResourceHttpRequestHandler]
2020-04-08 16:38:33.050 INFO 20008 --- [main] c.z.m.SpringBootApplicationTests : Started SpringBootApplicationTests in 2.379 seconds (JVM running for 3.06)
2020-04-08 16:38:33.073 DEBUG 20008 --- [main] c.z.m.SpringBootApplicationTests : 这是debug日志...
2020-04-08 16:38:33.073 INFO 20008 --- [main] c.z.m.SpringBootApplicationTests : 这是info日志...
2020-04-08 16:38:33.074 WARN 20008 --- [main] c.z.m.SpringBootApplicationTests : 这是warn日志...
2020-04-08 16:38:33.074 ERROR 20008 --- [main] c.z.m.SpringBootApplicationTests : 这是error日志...
2020-04-08 16:38:33.080 INFO 20008 --- [Thread-1] o.s.w.c.s.GenericWebApplicationContext : Closing org.springframework.web.context.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:38:31 CST 2020]; root of context hierarchy
2020-04-08 16:46:06.593 INFO 14984 --- [main] c.z.m.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] c.z.m.SpringBootApplicationTests : Running with Spring Boot v1.4.3.RELEASE, Spring v4.3.5.RELEASE
2020-04-08 16:46:06.594 INFO 14984 --- [main] c.z.m.SpringBootApplicationTests : No active profile set, falling back to default profiles: default
2020-04-08 16:46:06.623 INFO 14984 --- [main] o.s.w.c.s.GenericWebApplicationContext : Refreshing org.springframework.web.context.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:46:06 CST 2020]; root of context hierarchy
2020-04-08 16:46:07.968 INFO 14984 --- [main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.web.context.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:46:06 CST 2020]; root of context hierarchy
2020-04-08 16:46:08.052 INFO 14984 --- [main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2020-04-08 16:46:08.053 INFO 14984 --- [main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
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.web.servlet.resource.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.web.servlet.resource.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.web.servlet.resource.ResourceHttpRequestHandler]
2020-04-08 16:46:08.410 INFO 14984 --- [main] c.z.m.SpringBootApplicationTests : Started SpringBootApplicationTests in 2.123 seconds (JVM running for 2.649)
2020-04-08 16:46:08.449 DEBUG 14984 --- [main] c.z.m.SpringBootApplicationTests : 这是debug日志...
2020-04-08 16:46:08.450 INFO 14984 --- [main] c.z.m.SpringBootApplicationTests : 这是info日志...
2020-04-08 16:46:08.450 WARN 14984 --- [main] c.z.m.SpringBootApplicationTests : 这是warn日志...
2020-04-08 16:46:08.451 ERROR 14984 --- [main] c.z.m.SpringBootApplicationTests : 这是error日志...
2020-04-08 16:46:08.460 INFO 14984 --- [Thread-1] o.s.w.c.s.GenericWebApplicationContext : Closing org.springframework.web.context.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:46:06 CST 2020]; root of context hierarchy
2020-04-08 21:07:59.766 INFO 15932 --- [main] c.z.m.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] c.z.m.SpringBootApplicationTests : Running with Spring Boot v1.4.3.RELEASE, Spring v4.3.5.RELEASE
2020-04-08 21:07:59.769 INFO 15932 --- [main] c.z.m.SpringBootApplicationTests : No active profile set, falling back to default profiles: default
2020-04-08 21:07:59.814 INFO 15932 --- [main] o.s.w.c.s.GenericWebApplicationContext : Refreshing org.springframework.web.context.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 21:07:59 CST 2020]; root of context hierarchy
2020-04-08 21:08:01.360 INFO 15932 --- [main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.web.context.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 21:07:59 CST 2020]; root of context hierarchy
2020-04-08 21:08:01.418 INFO 15932 --- [main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2020-04-08 21:08:01.420 INFO 15932 --- [main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
2020-04-08 21:08:01.447 INFO 15932 --- [main] o.s.w.s.handler.SimpleUrlHandlerMapping : Mapped URL path [/webjars/**] onto handler of type [class org.springframework.web.servlet.resource.ResourceHttpRequestHandler]
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.web.servlet.resource.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.web.servlet.resource.ResourceHttpRequestHandler]
2020-04-08 21:08:01.639 INFO 15932 --- [main] c.z.m.SpringBootApplicationTests : Started SpringBootApplicationTests in 2.275 seconds (JVM running for 3.022)
2020-04-08 21:08:01.661 DEBUG 15932 --- [main] c.z.m.SpringBootApplicationTests : 这是debug日志...
2020-04-08 21:08:01.661 INFO 15932 --- [main] c.z.m.SpringBootApplicationTests : 这是info日志...
2020-04-08 21:08:01.661 WARN 15932 --- [main] c.z.m.SpringBootApplicationTests : 这是warn日志...
2020-04-08 21:08:01.661 ERROR 15932 --- [main] c.z.m.SpringBootApplicationTests : 这是error日志...
2020-04-08 21:08:01.665 INFO 15932 --- [Thread-1] o.s.w.c.s.GenericWebApplicationContext : Closing org.springframework.web.context.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 21:07:59 CST 2020]; root of context hierarchy
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] c.z.m.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] c.z.m.SpringBootApplicationTests : Running with Spring Boot v1.4.3.RELEASE, Spring v4.3.5.RELEASE
2020-04-08 16:51:48.280 INFO 16368 --- [main] c.z.m.SpringBootApplicationTests : No active profile set, falling back to default profiles: default
2020-04-08 16:51:48.323 INFO 16368 --- [main] o.s.w.c.s.GenericWebApplicationContext : Refreshing org.springframework.web.context.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:51:48 CST 2020]; root of context hierarchy
2020-04-08 16:51:51.273 INFO 16368 --- [main] s.w.s.m.m.a.RequestMappingHandlerAdapter : Looking for @ControllerAdvice: org.springframework.web.context.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:51:48 CST 2020]; root of context hierarchy
2020-04-08 16:51:51.402 INFO 16368 --- [main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error]}" onto public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)
2020-04-08 16:51:51.404 INFO 16368 --- [main] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped "{[/error],produces=[text/html]}" onto public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
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.web.servlet.resource.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.web.servlet.resource.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.web.servlet.resource.ResourceHttpRequestHandler]
2020-04-08 16:51:51.936 INFO 16368 --- [main] c.z.m.SpringBootApplicationTests : Started SpringBootApplicationTests in 4.249 seconds (JVM running for 5.196)
2020-04-08 16:51:51.996 DEBUG 16368 --- [main] c.z.m.SpringBootApplicationTests : 这是debug日志...
2020-04-08 16:51:51.997 INFO 16368 --- [main] c.z.m.SpringBootApplicationTests : 这是info日志...
2020-04-08 16:51:51.998 WARN 16368 --- [main] c.z.m.SpringBootApplicationTests : 这是warn日志...
2020-04-08 16:51:51.999 ERROR 16368 --- [main] c.z.m.SpringBootApplicationTests : 这是error日志...
2020-04-08 16:51:52.038 INFO 16368 --- [Thread-1] o.s.w.c.s.GenericWebApplicationContext : Closing org.springframework.web.context.support.GenericWebApplicationContext@5d0a1059: startup date [Wed Apr 08 16:51:48 CST 2020]; root of context hierarchy
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。
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
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
<?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>
</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>
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：
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
<?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：
<!-- 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：
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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