SpringBoot添加日志

1. 添加依赖
   

2. 安装Lombok插件
   

3. 添加配置文件logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="http://www.padual.com/java/logback.xsd"
        debug="false" scan="true" scanPeriod="30 second">
    <!-- 按照自己工程名称进行修改 -->
    <property name="PROJECT" value="navinfo-logstash-config-file-check"/>
    <!-- 固定位置,执行启动命令的上级目录,并且创建logs目录 -->
    <property name="ROOT" value="../logs/${PROJECT}/"/>
    <property name="FILESIZE" value="50MB"/>
    <property name="MAXHISTORY" value="100"/>
    <property name="DATETIME" value="yyyy-MM-dd HH:mm:ss"/>
    <!-- 控制台打印 -->
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder charset="utf-8">
            <pattern>[%-5level] %d{${DATETIME}} [%thread] %logger{36} - %m%n
            </pattern>
        </encoder>
    </appender>
    <!-- ERROR 输入到文件，按日期和文件大小 -->
    <appender name="ERROR" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder charset="utf-8">
            <pattern>[%-5level] %d{${DATETIME}} [%thread] %logger{36} - %m%n
            </pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${ROOT}%d/error.%i.log</fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${FILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
    </appender>

    <!-- WARN 输入到文件，按日期和文件大小 -->
    <appender name="WARN" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder charset="utf-8">
            <pattern>[%-5level] %d{${DATETIME}} [%thread] %logger{36} - %m%n
            </pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>WARN</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${ROOT}%d/warn.%i.log</fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${FILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
    </appender>

    <!-- INFO 输入到文件，按日期和文件大小 -->
    <appender name="INFO" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder charset="utf-8">
            <pattern>[%-5level] %d{${DATETIME}} [%thread] %logger{36} - %m%n
            </pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>INFO</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${ROOT}%d/info.%i.log</fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${FILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
    </appender>
    <!-- DEBUG 输入到文件，按日期和文件大小 -->
    <appender name="DEBUG" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder charset="utf-8">
            <pattern>[%-5level] %d{${DATETIME}} [%thread] %logger{36} - %m%n
            </pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>DEBUG</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${ROOT}%d/debug.%i.log</fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${FILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
    </appender>
    <!-- TRACE 输入到文件，按日期和文件大小 -->
    <appender name="TRACE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <encoder charset="utf-8">
            <pattern>[%-5level] %d{${DATETIME}} [%thread] %logger{36} - %m%n
            </pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>TRACE</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <rollingPolicy
                class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <fileNamePattern>${ROOT}%d/trace.%i.log</fileNamePattern>
            <maxHistory>${MAXHISTORY}</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>${FILESIZE}</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
    </appender>


    <!-- Logger 根目录 -->
    <root level="INFO">
        <appender-ref ref="STDOUT"/>
        <appender-ref ref="DEBUG"/>
        <appender-ref ref="ERROR"/>
        <appender-ref ref="WARN"/>
        <appender-ref ref="INFO"/>
        <appender-ref ref="TRACE"/>
    </root>


</configuration>

4. 添加日志依赖
   

5. 输出日志
   

标签：%-,m%,5level,SpringBoot,thread,DATETIME,添加,日志,logger
来源： https://blog.csdn.net/qq_45915570/article/details/120849007