<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.jsoft.testspring</groupId>    <artifactId>testlog4juse</artifactId>    <version>0.0.1-SNAPSHOT</version>    <packaging>jar</packaging>    <name>testlog4juse</name>    <url>http://maven.apache.org</url>    <properties>        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>    </properties>    <dependencies>        <dependency>            <groupId>junit</groupId>            <artifactId>junit</artifactId>            <version>3.8.1</version>            <scope>test</scope>        </dependency>        <!-- Spring Core -->        <!-- http://mvnrepository.com/artifact/org.springframework/spring-core -->        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-core</artifactId>            <version>4.1.4.RELEASE</version>        </dependency>        <!-- Spring Context -->        <!-- http://mvnrepository.com/artifact/org.springframework/spring-context -->        <dependency>            <groupId>org.springframework</groupId>            <artifactId>spring-context</artifactId>            <version>4.1.4.RELEASE</version>        </dependency>                <!-- Log4j -->        <!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core -->        <dependency>            <groupId>org.apache.logging.log4j</groupId>            <artifactId>log4j-core</artifactId>            <version>2.1</version>        </dependency>    </dependencies></project>

package com.jsoft.testspring.testlog4juse;public class HelloWorld {    private String message;    public void setMessage(String message) {        this.message = message;    }    public void getMessage() {        System.out.println("Your Message : " + message);    }}

<?xml version="1.0" encoding="UTF-8"?><!-- 配置参考：http://blog.csdn.net/seven_zhao/article/details/42124131 --><!-- status="OFF"，可以去掉，它的含义为是否记录log4j2本身的event信息，默认是OFF --><configuration status="OFF">     <!-- 定义下面的引用名 -->     <Properties>          <property name="log_pattern">%d{yyyy-MM-ddHH:mm:ss z} %-5level %class{36} %L %M - %msg%xEx%n</property>          <property name="basePath">c:/</property>          <property name="file_name">${basePath}/applog/app.log</property>          <property name="rolling_file_name">${basePath}/applog/app-%d{yyyy-MM-dd}-%i.log.gz</property>                   <property name="every_file_size">10M</property><!-- 日志切割的最小单位 -->          <property name="output_log_level">debug</property><!-- 日志输出级别 -->     </Properties>     <!--先定义所有的appender-->    <appenders>       <!--这个输出控制台的配置-->       <Console name="Console" target="SYSTEM_OUT">           <!--控制台只输出level及以上级别的信息（onMatch），其他的直接拒绝（onMismatch）-->           <ThresholdFilter level="trace" onMatch="ACCEPT" onMismatch="DENY"/>           <!--这个都知道是输出日志的格式-->           <PatternLayout pattern="${log_pattern}"/>       </Console>        <!--这个会打印出所有的信息，每次大小超过size，则这size大小的日志会自动存入按年份-月份建立的文件夹下面并进行压缩，作为存档-->       <!-- 按月生成归档日志，可以使用filePattern="logs/$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz"-->       <RollingFile name="RollingFile" fileName="${file_name}" filePattern="${rolling_file_name}">           <PatternLayout pattern="${log_pattern}"/>           <SizeBasedTriggeringPolicy size="${every_file_size}"/>       </RollingFile>              <!--如果需要配置多个Rollingfile地址，还需要在root下添加appender-ref ref="RollingFile1"/>         <RollingFile name="RollingFile1" fileName="logs/app1.log" filePattern="logs/app1-%d{yyyy-MM-dd}-%i.log.gz">           <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss z}%-5level %class{36} %L %M - %msg%xEx%n"/>           <SizeBasedTriggeringPolicy size="10MB"/>        </RollingFile>        -->    </appenders>    <!--然后定义logger，只有定义了logger并引入的appender，appender才会生效-->    <loggers>       <!--建立一个默认的root的logger，需要在root的level中指定输出的级别，-->       <root level="${output_log_level}">           <appender-ref ref="RollingFile"/>           <appender-ref ref="Console"/>       </root>     </loggers></configuration>

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"       xsi:schemaLocation="http://www.springframework.org/schema/beans                           http://www.springframework.org/schema/beans/spring-beans.xsd">    <bean id="helloWorld" class="com.jsoft.testspring.testlog4juse.HelloWorld">        <property name="message" value="Hello World!" />    </bean></beans>

package com.jsoft.testspring.testlog4juse;import org.apache.logging.log4j.LogManager;import org.apache.logging.log4j.core.Logger;import org.springframework.context.ApplicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;/** * Hello world! * */public class App {    static Logger log = (Logger) LogManager.getLogger(App.class.getName());    public static void main(String[] args) {        ApplicationContext context = new ClassPathXmlApplicationContext("Beans.xml");        log.info("Going to create HelloWord Obj");        HelloWorld obj = (HelloWorld) context.getBean("helloWorld");        obj.getMessage();        log.info("Exiting the program");    }}