import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class PreFilter extends ZuulFilter {

    private static Logger log = LoggerFactory.getLogger(PostFilter.class);

}

<dependency>

   <groupId>net.logstash.logback</groupId>

   <artifactId>logstash-logback-encoder</artifactId>

   <version>4.11</version>

</dependency>

#日志

logging.config=classpath:logback.xml

<?xml version="1.0" encoding="UTF-8"?>

<configuration debug="true">

    <contextName>logback</contextName>

    <property name="log.path" value="F:\\opt\\dev\\log\\claimzuul\\" />

    <!--输出到控制台-->

    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">

        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">

          <level>INFO</level>

        </filter>

        <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">

            <pattern>%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{} [%file : %line] - %msg%n</pattern>

        </encoder>

    </appender>

<!--    <appender name="logstash" class="net.logstash.logback.appender.LogstashTcpSocketAppender">

        <destination>47.96.14.108:</destination>

        <encoder class="net.logstash.logback.encoder.LogstashEncoder" />

    </appender>-->

    <appender name="FILE"  class="ch.qos.logback.core.rolling.RollingFileAppender">

        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">

          <level>INFO</level>

        </filter>    

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

            <FileNamePattern>/opt/dev/log/claimzuul/claimzuul.%d{yyyy-MM-dd}.%i.log</FileNamePattern>

           <maxFileSize>100MB</maxFileSize>

           <maxHistory></maxHistory>

           <totalSizeCap>10GB</totalSizeCap>

        </rollingPolicy>

        <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">

            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{} [%file : %line] - %msg%n</pattern>

            <charset>UTF-</charset>

        </encoder>

    </appender> 

    <!--myibatis log configure-->

    <logger name="com.insuresmart.claimzuul" level="DEBUG"/>

    <logger name="org.springframework" level="DEBUG"/>

    <logger name="org.apache.ibatis.logging.jdbc.BaseJdbcLogger" level="DEBUG"/>

    <logger name="org.mybatis" level="DEBUG"/>

    <logger name="java.sql.Connection" level="DEBUG"/>

    <logger name="java.sql.Statement" level="DEBUG"/>

    <logger name="java.sql.PreparedStatement" level="DEBUG"/>

    <logger name="java.sql.ResultSet" level="DEBUG"/>

    <root level="WARN">

        <!--<appender-ref ref="logstash" />-->

        <appender-ref ref="FILE" />

        <appender-ref ref="STDOUT" />

    </root>

</configuration>

<?xml version="1.0" encoding="UTF-8"?>

<configuration debug="false">

    <!--定义日志文件的存储地址 勿在 LogBack 的配置中使用相对路径-->

    <property name="LOG_HOME" value="/home" />

    <!-- 控制台输出 -->

    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">

        <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">

            <!--格式化输出：%d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-->

            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{} - %msg%n</pattern>

        </encoder>

    </appender>

    <!-- 按照每天生成日志文件 -->

    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">

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

            <!--日志文件输出的文件名-->

            <FileNamePattern>${LOG_HOME}/TestWeb.log.%d{yyyy-MM-dd}.log</FileNamePattern>

            <!--日志文件保留天数-->

            <MaxHistory></MaxHistory>

        </rollingPolicy>

        <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">

            <!--格式化输出：%d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-->

            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{} - %msg%n</pattern>

        </encoder>

        <!--日志文件最大的大小-->

        <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">

            <MaxFileSize>10MB</MaxFileSize>

        </triggeringPolicy>

    </appender>

    <!-- 日志输出级别 -->

    <root level="INFO">

        <appender-ref ref="STDOUT" />

    </root>

</configuration>