logback2.xml

<?xml version="1.0" encoding="UTF-8" ?>
<configuration xmlns = "http://ch.qos.logback/xml/ns/logback"
               xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance"
               xsi:schemaLocation="http://ch.qos.logback/xml/ns/logback logback.xsd">
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%date{HH:mm:ss} [%-5level] [%thread] %logger{17} - %m%n</pattern>
        </encoder>
    </appender>
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!--日志文件名称-->
        <file>logFile.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!--            每天产生一个新的日志文件-->
            <fileNamePattern>logFile.%d{yyyy-MM-dd}.log</fileNamePattern>
            <!--保留15天-->
            <maxHistory>15</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>%date{HH:mm:ss} [%-5level] [%thread] %logger{17} - %m%n</pattern>
        </encoder>
    </appender>

    <logger name="cn.itcast.netty" level="DEBUG" additivity="false">
        <appender-ref ref="SRDOUT"/>

    </logger>
</configuration>