<dependency>

    <groupId>ch.qos.logback</groupId>

    <artifactId>logback-classic</artifactId>

    <scope>compile</scope>

</dependency>

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

<configuration>

    <appender name="consoleLog" 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{50} - %msg%n</pattern>

        </encoder>

    </appender>

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

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

            <level>ERROR</level>

            <onMatch>DENY</onMatch>

            <onMismatch>ACCEPT</onMismatch>

        </filter>

        <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{50} - %msg%n</pattern>

        </encoder>

        <!--滚动策略-->

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

            <!--路径-->

            <fileNamePattern>info.%d.log</fileNamePattern>

            <MaxHistory>15</MaxHistory>

        </rollingPolicy>

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

            <MaxFileSize>10MB</MaxFileSize>

        </triggeringPolicy>

    </appender>

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

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

            <level>ERROR</level>

        </filter>

        <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{50} - %msg%n</pattern>

        </encoder>

        <!--滚动策略-->

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

            <!--路径-->

            <fileNamePattern>error.%d.log</fileNamePattern>

            <MaxHistory>15</MaxHistory>

        </rollingPolicy>

    </appender>

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

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

            <level>INFO</level>

        </filter>

        <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{50} - %msg%n</pattern>

        </encoder>

        <!--滚动策略-->

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

            <!--路径-->

            <fileNamePattern>app.%d.log</fileNamePattern>

            <MaxHistory>15</MaxHistory>

        </rollingPolicy>

    </appender>

    <!-- show parameters for hibernate sql 专为 Hibernate 定制 -->

    <logger name="org.hibernate.type.descriptor.sql.BasicBinder" level="TRACE"/>

    <logger name="org.hibernate.type.descriptor.sql.BasicExtractor" level="DEBUG"/>

    <logger name="org.hibernate.SQL" level="DEBUG"/>

    <logger name="org.hibernate.engine.QueryParameters" level="DEBUG"/>

    <logger name="org.hibernate.engine.query.HQLQueryPlan" level="DEBUG"/>

    <!--myibatis log configure-->

    <logger name="com.apache.ibatis" level="TRACE"/>

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

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

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

    <root level="info">

        <appender-ref ref="consoleLog"/>

        <appender-ref ref="fileInfoLog"/>

        <appender-ref ref="fileErrorLog"/>

    </root>

    <!--自定义logger ,additivity 防止重复输出-->

    <logger name="com.itstudy.myproject.controller" level="DEBUG" additivity="false">

        <appender-ref ref="consoleLog"/>

        <appender-ref ref="fileAppLog"/>

    </logger>

</configuration>

package com.itstudy.myproject.controller;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.web.bind.annotation.GetMapping;

import org.springframework.web.bind.annotation.RestController;

@RestController

public class IndexController {

    private static final Logger logger = LoggerFactory.getLogger(IndexController.class);

    @GetMapping("/index")

    public String getIndex() {

        logger.info("--------------hello world ------------------");

        return "index";

    }

}