About @ Slf4j log output configuration

Recent project requirements, the log output to a specified location, convenient later, because of the use of this jar package lombok, lombok brought on by the logging, the specific configuration of lombok configure your own Baidu, I am using Springboot architecture, may appear in the log architecture comes conflict, making it impossible to export log, add the following code to avoid this problem:

 <dependency>
     <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter</artifactId>
      <exclusions>
          <exclusion>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-logging</artifactId>
         </exclusion>
       </exclusions>
  </dependency>

   1. Create a folder in the project resource logback-spring.xml, configuration code shown below, name the file as possible with XXX-spring.xml, why the band spring, because this is a document inside to see that a good resolution, specific did not get to the bottom;

<?xml version="1.0" encoding="UTF-8"?>
<configuration  scan="true" scanPeriod="10 seconds">

    <contextName>logback</contextName>

    <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" />
    <!-- 格式化输出:%date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-->
    <property name="LOG_PATTERN" value="%date{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n" />

    <!-- 定义日志存储的路径,不要配置相对路径 -->
    <property name="FILE_PATH" value="D:/log/spring-log.%d{yyyy-MM-dd}.%i.log" />

    <!-- 控制台输出日志 -->
    <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
        <!-- 日志级别过滤INFO以下 -->
        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
            <level>INFO</level>
        </filter>
        <encoder>
            <!-- 按照上面配置的LOG_PATTERN来打印日志 -->
            <pattern>${LOG_PATTERN}</pattern>
        </encoder>
    </appender>

    <!--每天生成一个日志文件,保存30天的日志文件。rollingFile用来切分文件的 -->
    <appender name="rollingFile" class="ch.qos.logback.core.rolling.RollingFileAppender">

        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">

            <fileNamePattern>${FILE_PATH}</fileNamePattern>

            <!-- keep 15 days' worth of history -->
            <maxHistory>30</maxHistory>

            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <!-- 日志文件的最大大小 -->
                <maxFileSize>2MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>

            <!-- 超出删除老文件 -->
            <totalSizeCap>1GB</totalSizeCap>
        </rollingPolicy>

        <encoder>
            <pattern>${LOG_PATTERN}</pattern>
        </encoder>
    </appender>

    <!-- project default level -->
    <logger name="net.sh.rgface.serive" level="ERROR" />


    <!-- 4. 最终的策略 -->
    <!-- 4.1 开发环境:打印控制台-->
    <springProfile name="dev">
        <logger name="com.sdcm.pmp" level="debug"/>
    </springProfile>
    <!-- 日志输出级别 -->
    <root level="info">
        <appender-ref ref="CONSOLE" />
        <appender-ref ref="DEBUG_FILE" />
        <appender-ref ref="INFO_FILE" />
        <appender-ref ref="WARN_FILE" />
        <appender-ref ref="ERROR_FILE" />
    </root>

    <!-- 4.2 生产环境:输出到文档
    <springProfile name="pro">
        <root level="info">
            <appender-ref ref="CONSOLE" />
            <appender-ref ref="DEBUG_FILE" />
            <appender-ref ref="INFO_FILE" />
            <appender-ref ref="ERROR_FILE" />
            <appender-ref ref="WARN_FILE" />
        </root>
    </springProfile> -->
</configuration>

Configuration code file, there are comments, do not write the comments,

2. Add the jar package:

 <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.16.20</version>
            <scope>provided</scope>
        </dependency>

, Then add the required class is the @ Slf4j annotations, add code inside the methods

logger.debug("debug");

 logger.info("info");

logger.error("error");

logger.warn ( "warn"); method may be;

After the test no problem:

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Origin blog.csdn.net/ghd602338792/article/details/85298357