Spring引入并启用log4j日志框架-----Spring框架

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.powernode</groupId><artifactId>Spring6-002-first</artifactId><version>1.0-SNAPSHOT</version><!--打包方式jar,学习Spring,可以不是web项目--><packaging>jar</packaging><repositories><!--Spring里程碑版本的仓库--><repository><id>repository.spring.milestone</id><name>Spring Milestone Repository</name><url>https://repo.spring.io/milestone</url></repository></repositories><dependencies><!--spring context依赖--><!--当你引入Spring Context后,表示将Spring的基础依赖引入了--><!--但想使用Spring的JDBC或其他的tx时,还需要再次添加依赖--><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>6.1.0-M2</version></dependency><!--引入Log4j2的依赖--><dependency><groupId>org.apache.logging.log4j</groupId><artifactId>log4j-core</artifactId><version>2.19.0</version></dependency><dependency><groupId>org.apache.logging.log4j</groupId><artifactId>log4j-slf4j2-impl</artifactId><version>2.19.0</version></dependency><!--JUNIT依赖--><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.13.2</version><scope>test</scope></dependency></dependencies><properties><maven.compiler.source>17</maven.compiler.source><maven.compiler.target>17</maven.compiler.target><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></properties></project>

<?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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>

<groupId>com.powernode</groupId>
<artifactId>Spring6-002-first</artifactId>
<version>1.0-SNAPSHOT</version>
<!--打包方式jar,学习Spring,可以不是web项目-->
<packaging>jar</packaging>

<repositories>
<!--Spring里程碑版本的仓库-->
<repository>
<id>repository.spring.milestone</id>
<name>Spring Milestone Repository</name>
<url>https://repo.spring.io/milestone</url>
</repository>
</repositories>
<dependencies>
<!--spring context依赖-->
<!--当你引入Spring Context后,表示将Spring的基础依赖引入了-->
<!--但想使用Spring的JDBC或其他的tx时,还需要再次添加依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>6.1.0-M2</version>
</dependency>
<!--引入Log4j2的依赖-->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.19.0</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j2-impl</artifactId>
<version>2.19.0</version>
</dependency>
<!--JUNIT依赖-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.13.2</version>
<scope>test</scope>
</dependency>
</dependencies>
<properties>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>

</project>

<?xml version="1.0" encoding="UTF-8"?><configuration><loggers><!--日志级别,由低到高--><!--ALL < TRACE < DEBUG < INFO < WARN < ERROR < FATAL < OFF--><root level="ERROR"><appender-ref ref="spring6log"/></root></loggers><appenders><!--输出日志到控制台--><console name="spring6log" target="SYSTEM_OUT"><!--控制输出的日志格式--><PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss SSS} [%t] %-3level %logger{1024} - %msg%n"/></console></appenders>
</configuration>

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

<configuration>
<loggers>
<!--日志级别,由低到高-->
<!--ALL < TRACE < DEBUG < INFO < WARN < ERROR < FATAL < OFF-->
<root level="ERROR">
<appender-ref ref="spring6log"/>
</root>
</loggers>
<appenders>
<!--输出日志到控制台-->
<console name="spring6log" target="SYSTEM_OUT">
<!--控制输出的日志格式-->
<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss SSS} [%t] %-3level %logger{1024} - %msg%n"/>
</console>
</appenders>
</configuration>

    @Testpublic void TestBeginInitBean(){//不是在getBean方法调用时才创建对象,执行解析xml文件时就已经创建对象了new ClassPathXmlApplicationContext("spring6.xml");Logger logger = LoggerFactory.getLogger(firstSpringTest.class);logger.info("我是一条消息");logger.debug("我是一条调试消息");logger.error("我是一条错误消息");}

@Test
public void TestBeginInitBean()
{
//不是在getBean方法调用时才创建对象,执行解析xml文件时就已经创建对象了
new ClassPathXmlApplicationContext("spring6.xml");
Logger logger = LoggerFactory.getLogger(firstSpringTest.class);
logger.info("我是一条消息");
logger.debug("我是一条调试消息");
logger.error("我是一条错误消息");
}