Spring Boot 整合 log4j2 实现日志管理

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摘要:上一篇,我们讲了Spring Boot 整合 log4j实现日志管理,这一篇接着说一下Spring Boot 整合 log4j2,。


一:还是新建一个java工程:



二:增加log4j2的pom.xml配置,如下:

<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">    <groupId>com.micai</groupId>    <artifactId>micai-springboot-log4j2-9</artifactId>    <version>1.0-SNAPSHOT</version>    <modelVersion>4.0.0</modelVersion>    <packaging>jar</packaging>    <name>micai-springboot-log4j2-9</name>    <url>http://maven.apache.org</url>    <!-- Spring Boot 启动父依赖 -->    <parent>        <groupId>org.springframework.boot</groupId>        <artifactId>spring-boot-starter-parent</artifactId>        <version>1.5.1.RELEASE</version>    </parent>    <dependencies>        <!-- Spring Boot web依赖 -->        <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>        <!-- Spring Boot log4j2依赖 -->        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-log4j2</artifactId>        </dependency>    </dependencies></project>


三:新建log4j2.xml配置文件:

<?xml version="1.0" encoding="UTF-8"?><Configuration status="WARN" monitorInterval="30">    <Properties>        <Property name="PID">????</Property>        <Property name="LOG_PATTERN">%clr{%d{yyyy-MM-dd HH:mm:ss.SSS}}{faint} %clr{%5p} %clr{${sys:PID}}{magenta} %clr{---}{faint} %clr{[%15.15t]}{faint} %clr{%-40.40c{1.}}{cyan} %clr{:}{faint} %m%n%xwEx</Property>    </Properties>    <Appenders>        <Console name="Console" target="SYSTEM_OUT" follow="true">            <PatternLayout pattern="${LOG_PATTERN}"/>        </Console>    </Appenders>    <Loggers>        <Logger name="org.hibernate.validator.internal.util.Version" level="warn" />        <Logger name="org.apache.coyote.http11.Http11NioProtocol" level="warn" />        <Logger name="org.apache.tomcat.util.net.NioSelectorPool" level="warn" />        <Root level="info">            <AppenderRef ref="Console"/>        </Root>    </Loggers></Configuration>


四:在java类中使用log4j2日志,如下:

package com.micai.springboot.web;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RestController;/** * @author zhaoxinguo on 2017/8/21. */@RestController //提供实现了REST API,可以服务JSON,XML或者其他。这里是以String的形式渲染出结果。public class HelloWorldController {    private Logger logger = LoggerFactory.getLogger(this.getClass());    @RequestMapping("/") //提供路由信息,”/“路径的HTTP Request都会被映射到sayHello方法进行处理。    public String sayHello(){        logger.info("hello world");        return "Hello,World!";    }}


源代码地址:https://gitee.com/micai/micai-springboot/tree/master/micai-springboot-log4j2-9


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