java操作LogBack（maven项目）

太过爱你忘了你带给我的痛 2022-09-23 13:58 141阅读 0赞

**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/xsd/maven-4.0.0.xsd">
      <modelVersion>4.0.0</modelVersion>
    
      <groupId>LogBack</groupId>
      <artifactId>LogBack</artifactId>
      <version>0.0.1-SNAPSHOT</version>
      <packaging>jar</packaging>
      <name>LogBack</name>
      <url>http://maven.apache.org</url>
      <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <logback.version>1.1.3</logback.version>
        <slf4j.version>1.7.5</slf4j.version> 
      </properties>
      <dependencies>
      <dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-api</artifactId>
    <version>${slf4j.version}</version>
    </dependency>
    <dependency>
    <groupId>ch.qos.logback</groupId>
    <artifactId>logback-classic</artifactId>
    <version>${logback.version}</version>
    </dependency>
    <dependency>
    <groupId>ch.qos.logback</groupId>
    <artifactId>logback-core</artifactId>
    <version>${logback.version}</version>
    </dependency>
        <dependency>
          <groupId>junit</groupId>
          <artifactId>junit</artifactId>
          <version>4.9</version>
          <scope>test</scope>
        </dependency>
      </dependencies>
    </project>

**logback.xml（放在类的根路径下）**

<?xml version="1.0" encoding="UTF-8"?>
    <configuration debug="false">
    
    <property name="LOG_HOME" value="F:/mylogs" />
    
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
    <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
    
    <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50}[%file:%line] - %msg%n</pattern>
    </encoder>
    </appender>
    
    <appender name="FILE"
    class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>${LOG_HOME}/mylog.log</file>
    <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
    <fileNamePattern>${LOG_HOME}/mylog%i.log
    </fileNamePattern>
    <minIndex>1</minIndex>
    <maxIndex>10</maxIndex>
    </rollingPolicy>
    <triggeringPolicy
    class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
    <maxFileSize>10MB</maxFileSize>
    </triggeringPolicy>
    <append>true</append>
    <encoding>GBK</encoding>
    <layout class="ch.qos.logback.classic.PatternLayout">
    <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
    </layout>
    </appender>
    
    
    <root level="DEBUG">
    <appender-ref ref="STDOUT" />
    <appender-ref ref="FILE" />
    </root>
    </configuration>

**App.java**

package com.logs;
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    public class App{
        private  final static Logger logger=LoggerFactory.getLogger(App.class);
        public static void main(String[] args){
        for(int i=0;i<100000;i++){
        logger.debug("DEBUG:这个地方输出DEBUG级别的日志"+"第"+i+"个");  
           logger.info("INFO:这个地方输出INFO级别的日志"+"第"+i+"个");  
           logger.error("ERROR:这个地方输出ERROR级别的日志"+"第"+i+"个");
       }
        }
    }