【日志篇】Spring Boot 日志输出到文件

写在最前

在【数据篇】SpringBoot 整合 MyBatis-Plus 增强 MyBatis ，基友搭配，效率翻倍 Demo 中增加日志输出文件。Demo 地址：mingyue-springboot-mybatis-plus

日志输出文件

增加配置文件

resource 目录下增加 logback-spring.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
  ~ Copyright (c) 2020 mingyue4cloud Authors. All Rights Reserved.
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~     http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->

<configuration debug="false" scan="false">
  <springProperty scop="context" name="spring.application.name" source="spring.application.name" defaultValue=""/>
  <property name="log.path" value="/data/logs/${spring.application.name}"/>
  <!-- 彩色日志格式 -->
  <property name="CONSOLE_LOG_PATTERN"
            value="${CONSOLE_LOG_PATTERN:-%clr(%d{yyyy-MM-dd HH:mm:ss.SSS}){faint} %clr(${LOG_LEVEL_PATTERN:-%5p}) %clr(${PID:- }){magenta} %clr(---){faint} %clr([%15.15t]){faint} %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}}"/>
  <!-- 彩色日志依赖的渲染类 -->
  <conversionRule conversionWord="clr" converterClass="org.springframework.boot.logging.logback.ColorConverter"/>
  <conversionRule conversionWord="wex"
                  converterClass="org.springframework.boot.logging.logback.WhitespaceThrowableProxyConverter"/>
  <conversionRule conversionWord="wEx"
                  converterClass="org.springframework.boot.logging.logback.ExtendedWhitespaceThrowableProxyConverter"/>
  <!-- Console log output -->
  <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
    <encoder>
      <pattern>${CONSOLE_LOG_PATTERN}</pattern>
    </encoder>
  </appender>

  <!-- Log file debug output -->
  <appender name="debug" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>${log.path}/debug.log</file>
    <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
      <fileNamePattern>${log.path}/%d{yyyy-MM, aux}/debug.%d{yyyy-MM-dd}.%i.log.gz</fileNamePattern>
      <maxFileSize>50MB</maxFileSize>
      <maxHistory>30</maxHistory>
    </rollingPolicy>
    <encoder>
      <pattern>%date [%thread] %-5level [%logger{50}] %file:%line - %msg%n</pattern>
    </encoder>
  </appender>

  <!-- Log file error output -->
  <appender name="error" class="ch.qos.logback.core.rolling.RollingFileAppender">
    <file>${log.path}/error.log</file>
    <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
      <fileNamePattern>${log.path}/%d{yyyy-MM}/error.%d{yyyy-MM-dd}.%i.log.gz</fileNamePattern>
      <maxFileSize>50MB</maxFileSize>
      <maxHistory>30</maxHistory>
    </rollingPolicy>
    <encoder>
      <pattern>%date [%thread] %-5level [%logger{50}] %file:%line - %msg%n</pattern>
    </encoder>
    <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
      <level>ERROR</level>
    </filter>
  </appender>

  <!--nacos 心跳 INFO 屏蔽-->
  <logger name="com.alibaba.nacos" level="OFF">
    <appender-ref ref="error"/>
  </logger>

  <!-- Level: FATAL 0  ERROR 3  WARN 4  INFO 6  DEBUG 7 -->
  <root level="INFO">
    <appender-ref ref="console"/>
    <appender-ref ref="debug"/>
    <appender-ref ref="error"/>
  </root>
</configuration>