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logback
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‎log4j2/src/main/resources/log4j2-spring.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<!-- status 指定打印日志的级别 -->
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<Configuration status="INFO">
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<!--变量配置-->
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<PatternLayout pattern="${LOG_PATTERN}"/>
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</Console>
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<!-- 常规info -->
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<!-- 常规info ，每次大小超过size，则会以 filePattern 的格式重新生成一个文件，-->
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<RollingFile name="RollingFileInfo" fileName="${LOG_HOME}/info.log" filePattern="${LOG_HOME}/info-%d{MM-dd-yyyy}-%i.log">
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<!-- 只打印info级别日志 -->
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<ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/>

‎logback/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.2.1.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>org.ylc.note</groupId>
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<artifactId>logback</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>logback</name>
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<description>Demo project for Spring Boot use logback</description>
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<properties>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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<exclusions>
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<exclusion>
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<groupId>org.junit.vintage</groupId>
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<artifactId>junit-vintage-engine</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎logback/src/main/java/org/ylc/note/logback/LogbackApplication.java‎

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package org.ylc.note.logback;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class LogbackApplication {
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public static void main(String[] args) {
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SpringApplication.run(LogbackApplication.class, args);
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}
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}

‎logback/src/main/resources/application.properties‎

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‎logback/src/main/resources/logback-spring.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<configuration debug="false">
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<!--定义日志文件的存储地址 勿在 LogBack 的配置中使用相对路径-->
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<property name="LOG_HOME" value="./log"/>
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<!-- Console 输出设置 -->
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<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
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<withJansi>true</withJansi>
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<encoder>
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<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %blue(%X{user}) %green([%thread]) %highlight(%-5level) %boldMagenta(%logger{50}) - %cyan(%msg%n)
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</pattern>
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<charset>utf8</charset>
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</encoder>
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</appender>
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<!-- 定时任务类设置单独日志文件 -->
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<appender name="SCHEDULE-APPENDER" class="ch.qos.logback.core.rolling.RollingFileAppender">
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<!--没有File 文件不会按修改-->
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<File>${LOG_HOME}/schedule.log</File>
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<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
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<!--日志文件输出的文件名-->
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<FileNamePattern>${LOG_HOME}/schedule.%d{yyyy-MM-dd}.%i.log</FileNamePattern>
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<!--日志文件保留天数-->
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<MaxHistory>7</MaxHistory>
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<!--日志文件最大的大小-->
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<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
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<maxFileSize>5MB</maxFileSize>
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</timeBasedFileNamingAndTriggeringPolicy>
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</rollingPolicy>
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<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
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<!--格式化输出：%d表示日期，%thread表示线程名，%-5level：级别从左显示5个字符宽度%msg：日志消息，%n是换行符-->
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<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %X{user} [%thread] %-5level %logger{50} - %msg%n</pattern>
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</encoder>
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<!-- 打印INFO及以上日志-->
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<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
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<level>INFO</level>
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</filter>
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</appender>
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<!-- 默认生成日志文件 -->
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<appender name="INFO" class="ch.qos.logback.core.rolling.RollingFileAppender">
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<!--没有File 文件不会按修改-->
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<File>${LOG_HOME}/info.log</File>
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<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
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<!--日志文件输出的文件名-->
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<FileNamePattern>${LOG_HOME}/info.%d{yyyy-MM-dd}.%i.log</FileNamePattern>
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<!--日志文件保留天数-->
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<MaxHistory>7</MaxHistory>
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<!--日志文件最大的大小-->
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<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
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<maxFileSize>5MB</maxFileSize>
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</timeBasedFileNamingAndTriggeringPolicy>
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</rollingPolicy>
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<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
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<!--格式化输出：%d表示日期，%thread表示线程名，%-5level：级别从左显示5个字符宽度%msg：日志消息，%n是换行符-->
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<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %X{user} [%thread] %-5level %logger{50} - %msg%n</pattern>
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</encoder>
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<!-- 只打印INFO日志 -->
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<filter class="ch.qos.logback.classic.filter.LevelFilter">
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<level>INFO</level>
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<onMatch>ACCEPT</onMatch>
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<onMismatch>DENY</onMismatch>
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</filter>
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</appender>
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<appender name="ERROR" class="ch.qos.logback.core.rolling.RollingFileAppender">
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<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
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<level>ERROR</level>
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</filter>
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<File>${LOG_HOME}/error.log</File>
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<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
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<!--日志文件输出的文件名-->
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<FileNamePattern>${LOG_HOME}/error.%d{yyyy-MM-dd}.%i.log</FileNamePattern>
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<!--日志文件保留天数-->
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<MaxHistory>30</MaxHistory>
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<!--日志文件最大的大小-->
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<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
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<maxFileSize>2MB</maxFileSize>
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</timeBasedFileNamingAndTriggeringPolicy>
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</rollingPolicy>
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<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
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<!--格式化输出：%d表示日期，%thread表示线程名，%-5level：级别从左显示5个字符宽度%msg：日志消息，%n是换行符-->
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<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %X{user} [%thread] %-5level %logger{50} - %msg%n</pattern>
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</encoder>
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</appender>
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<!--这里的name和业务类中的getLogger中的字符串是一样的 additivity="false" 禁止这里的内容向上传递，否则会同时显示在默认日志中-->
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<logger name="schedule" level="INFO" additivity="false">
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<appender-ref ref="SCHEDULE-APPENDER"/>
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</logger>
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<!-- 日志输出级别 -->
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<root level="INFO">
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<appender-ref ref="STDOUT"/>
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<appender-ref ref="INFO"/>
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<appender-ref ref="ERROR"/>
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</root>
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</configuration>

‎logback/src/test/java/org/ylc/note/logback/LogbackApplicationTests.java‎

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package org.ylc.note.logback;
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import org.junit.jupiter.api.Test;
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import org.springframework.boot.test.context.SpringBootTest;
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@SpringBootTest
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class LogbackApplicationTests {
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@Test
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void contextLoads() {
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}
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}

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