• 一、自定义logback-spring.xml配置文件
• 二、application.yml配置
• 三、onMatch和onMismatch属性说明

一、自定义logback-spring.xml配置文件

logback-spring.xmllogback-spring.xml

<?xml version="1.0" encoding="UTF-8" ?>
<configuration>
    <!-- 日志输出路径 -->
    <springProperty scope="context" name="log.path" source="log.path" defaultValue=""/>
    <!-- 日志输出级别 -->
    <springProperty scope="context" name="log.level" source="log.level" defaultValue=""/>
    <!-- 文件输出格式 -->
    <property name="PATTERN"
              value="[%date{yyyy-MM-dd HH:mm:ss.SSS}] [%thread] %-5level %logger %line  --%mdc{client} %msg%n"/>

    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>${PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>

    <appender name="file-debug" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>DEBUG</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <!-- 文件路径 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 文件名称 -->
            <fileNamePattern>${log.path}/debug/%d{yyyy_MM_dd}-%i.log</fileNamePattern>
            <!-- 文件最大保存历史数量 -->
            <maxHistory>30</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>

        <layout class="ch.qos.logback.classic.PatternLayout">
            <pattern>${PATTERN}</pattern>
        </layout>

        <encoder>
            <pattern>${PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>

    <appender name="file-info" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>INFO</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <!-- 文件路径 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 文件名称 -->
            <fileNamePattern>${log.path}/info/%d{yyyy_MM_dd}-%i.log</fileNamePattern>
            <!-- 文件最大保存历史数量 -->
            <maxHistory>30</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>

        <layout class="ch.qos.logback.classic.PatternLayout">
            <pattern>${PATTERN}</pattern>
        </layout>

        <encoder>
            <pattern>${PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>

    <appender name="file-warn" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>WARN</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
        <!-- 文件路径 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 文件名称 -->
            <fileNamePattern>${log.path}/warn/%d{yyyy_MM_dd}-%i.log</fileNamePattern>
            <!-- 文件最大保存历史数量 -->
            <maxHistory>30</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>

        <layout class="ch.qos.logback.classic.PatternLayout">
            <pattern>${PATTERN}</pattern>
        </layout>

        <encoder>
            <pattern>${PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>

    <appender name="file-error" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
            <level>ERROR</level>
        </filter>
        <!-- 文件路径 -->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 文件名称 -->
            <fileNamePattern>${log.path}/error/%d{yyyy_MM_dd}-%i.log</fileNamePattern>
            <!-- 文件最大保存历史数量 -->
            <maxHistory>30</maxHistory>
            <timeBasedFileNamingAndTriggeringPolicy
                    class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>100MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>

        <layout class="ch.qos.logback.classic.PatternLayout">
            <pattern>${PATTERN}</pattern>
        </layout>

        <encoder>
            <pattern>${PATTERN}</pattern>
            <charset>UTF-8</charset>
        </encoder>
    </appender>

    <!-- 下面配置一些第三方包的日志过滤级别，用于避免刷屏 -->
    <logger name="com.mchange" level="ERROR"/>
    <logger name="org.mybatis" level="DEBUG"/>
    <logger name="org.springframework" level="WARN"/>
    <logger name="org.apache.zookeeper" level="INFO"/>
    <logger name="java.sql.Connection" level="DEBUG"/>
    <logger name="java.sql.ResultSet" level="DEBUG"/>
    <logger name="java.sql.PreparedStatement" level="DEBUG"/>
    <logger name="org.apache.http.wire" level="OFF"/>
    <logger name="org.apache.commons" level="INFO"/>
    <logger name="org.apache.catalina" level="ERROR"/>
    <logger name="com.ulisesbocchio.jasyptspringboot" level="WARN"/>
    <logger name="com.alibaba.nacos.client.naming" level="OFF"/>
    <root level="${log.level}">
        <appender-ref ref="STDOUT"/>
        <appender-ref ref="file-debug"/>
        <appender-ref ref="file-info"/>
        <appender-ref ref="file-warn"/>
        <appender-ref ref="file-error"/>
    </root>

</configuration>

不同级别的日志由不同的appender处理。

二、application.yml配置

日志的文件存放目录等日志级别在application.yml中配置

application.yml

log:
  path: D:\data\log #日志输出路径
  level: WARN # 输出日志的等级，TRACE < DEBUG < INFO < WARN < ERROR

三、onMatch和onMismatch属性说明

  onMatch和onMismatch都有三个属性值，分别为Accept、DENY和NEUTRAL。

分别介绍这两个配置项的三个属性值：

• onMatch=”ACCEPT” 表示匹配该级别及以上
• onMatch=”DENY” 表示不匹配该级别及以上
• onMatch=”NEUTRAL” 表示该级别及以上的，由下一个filter处理，如果当前是最后一个，则表示匹配该级别及以上
• onMismatch=”ACCEPT” 表示匹配该级别以下
• onMismatch=”NEUTRAL” 表示该级别及以下的，由下一个filter处理，如果当前是最后一个，则不匹配该级别以下的
• onMismatch=”DENY” 表示不匹配该级别以下的