<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    <exclusions><!-- 去掉springboot默認(rèn)配置 -->
        <exclusion>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
        </exclusion>
    </exclusions>
</dependency>
<dependency> <!-- 引入log4j2依賴 -->
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-log4j2</artifactId>
</dependency>

<!--定義appender-->
<appenders>
    <!--控制臺(tái)的輸出配置-->
    <console name="Console" target="SYSTEM_OUT">
        <!-- 設(shè)置控制臺(tái)只輸出INFO及以上級(jí)別的信息(onMatch),其他的直接拒絕(onMismatch) -->
        <ThresholdFilter level="INFO" onMatch="ACCEPT" onMismatch="DENY"/>
        <!--輸出日志的格式-->
        <PatternLayout pattern="${log_pattern}"/>
    </console>

    <!-- 所有的日志信息會(huì)打印到此文件中，append=false每次啟動(dòng)程序會(huì)自動(dòng)清空 -->
    <!-- <File name="all" fileName="${file_path}/all.log" append="true">
        <PatternLayout pattern="${log_pattern}"/>
    </File>-->
    <!--
    該RollingFile存儲(chǔ)INFO級(jí)別的日志，
    默認(rèn)存儲(chǔ)到 fileName 文件中
    超過SizeBasedTriggeringPolicy的設(shè)定值，則存儲(chǔ)到 filePattern 文件中
    -->
    <RollingFile name="RollingFileInfo" fileName="${file_path}/info.log" filePattern="${file_path}/${backup_folder}/info${backup_file_suffix}">
        <!--控制臺(tái)只輸出level及以上級(jí)別的信息（onMatch），其他的直接拒絕（onMismatch）-->
        <ThresholdFilter level="INFO" onMatch="ACCEPT" onMismatch="DENY"/>
        <!-- 寫入日志文件的模板 -->
        <PatternLayout pattern="${log_pattern}"/>
        <Policies>
            <!-- DefaultRolloverStrategy屬性如不設(shè)置，則默認(rèn)為最多同一文件夾下7個(gè)文件，超過該數(shù)量，會(huì)滾動(dòng)刪除前面的記錄 -->
            <DefaultRolloverStrategy max="5">
				<Delete basePath="" maxDepth="">
					<IfFileName glob="*.log" />
					<IfLastModified age="*1d" />
				</Delete>
			</DefaultRolloverStrategy>
            <!--多長(zhǎng)時(shí)間滾動(dòng)一次-->
            <TimeBasedTriggeringPolicy interval="2 hour" />
            <!-- 一個(gè)日志文件的最大大小 -->
            <SizeBasedTriggeringPolicy size="${file_max_size}"/>
        </Policies>
    </RollingFile>
    <RollingFile name="RollingFileWarn" fileName="${file_path}/warn.log" filePattern="${file_path}/${backup_folder}/warn${backup_file_suffix}">
        <ThresholdFilter level="WARN" onMatch="ACCEPT" onMismatch="DENY"/>
        <PatternLayout pattern="${log_pattern}"/>
        <Policies>
            <TimeBasedTriggeringPolicy/>
            <SizeBasedTriggeringPolicy size="${file_max_size}"/>
        </Policies>
    </RollingFile>
    <RollingFile name="RollingFileError" fileName="${file_path}/error.log" filePattern="${file_path}/${backup_folder}/error${backup_file_suffix}">
        <ThresholdFilter level="ERROR" onMatch="ACCEPT" onMismatch="DENY"/>
        <PatternLayout pattern="${log_pattern}"/>
        <Policies>
            <TimeBasedTriggeringPolicy/>
            <SizeBasedTriggeringPolicy size="${file_max_size}"/>
        </Policies>
    </RollingFile>
</appenders>
<!-- 只有定義了logger并使用appender-ref，appender才會(huì)生效 -->
<loggers>
    <!--過濾掉spring和hibernate的一些無(wú)用的debug信息-->
    <logger name="org.springframework" level="INFO"/>
    <logger name="org.mybatis" level="INFO">
        <!-- 添加如下設(shè)置，控制臺(tái)會(huì)再打印一次 -->
        <AppenderRef ref="Console"/>
    </logger>
    <root level="INFO">
        <appender-ref ref="Console"/>
        <appender-ref ref="RollingFileInfo"/>
        <appender-ref ref="RollingFileWarn"/>
        <appender-ref ref="RollingFileError"/>
    </root>
</loggers>

 %c%x - %m%n ：MyApp - Call com.foo.Bar.com.foo.Bar - Log in Bar MyApp - Return to MyApp.

@SpringBootApplication
public class SpringbootDemoApplication {
? ? private static final Logger log = org.slf4j.LoggerFactory.getLogger(SpringbootDemoApplication.class);
? ? public static void main(String[] args) {
? ? ? ? SpringApplication.run(SpringbootDemoApplication.class, args);
? ? ? ? log.error("Something else is wrong here");
? ? ? ? log.info("Something else is wrong here");
? ? ? ? log.warn("Something else is wrong here");
? ? }
}

<dependency>
    <groupId>log4j</groupId>
    <artifactId>log4j</artifactId>
    <version>1.2.17</version>
</dependency>

<!--log4j2-->
<dependency>
    <groupId>org.apache.logging.log4j</groupId>
    <artifactId>log4j-core</artifactId>
    <version>2.17.2</version>
</dependency>
<dependency>
    <groupId>org.apache.logging.log4j</groupId>
    <artifactId>log4j-api</artifactId>
    <version>2.17.2</version>
</dependency>

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    <exclusions>
        <!--屏蔽內(nèi)置日志-->
        <exclusion>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-logging</artifactId>
        </exclusion>
    </exclusions>
</dependency>

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

<Configuration status="WARN">
    <Properties>
        <Property name="patternLayout">%date{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</Property>
        <!--生成日志保存位置-->
        <Property name="logdir">D:/home/demo</Property>
    </Properties>

    <Appenders>
        <Console name="Console" target="SYSTEM_OUT">
            <PatternLayout pattern="${patternLayout}"/>

<!--            <ThresholdFilter level="INFO" onMatch="ACCEPT" onMismatch="DENY"/>-->
            <!--控制臺(tái)將會(huì)打印執(zhí)行sql及結(jié)果-->
            <!--<ThresholdFilter level="TRACE"/>-->
            <ThresholdFilter level="DEBUG"/>
        </Console>

        <RollingFile name="InfoLogger"
                     fileName="D:/home/demo/debug/log.log"
                     filePattern="D:/home/demo/debug/log_%d{yyyy-MM-dd}.log" append="true">
            <PatternLayout pattern="${patternLayout}"/>
            <ThresholdFilter level="INFO" onMatch="ACCEPT" onMismatch="DENY"/>
            <Policies>
                <!--根據(jù)時(shí)間來滾動(dòng) -->
                <TimeBasedTriggeringPolicy modulate="true" interval="1"/>
            </Policies>
            <!-- 日志保留策略，配置只保留七天 -->
            <DefaultRolloverStrategy>
                <Delete basePath="${logDir}/debug/" maxDepth="1">
                    <IfFileName glob="log_*.log"/>
                    <IfLastModified age="7d"/>
                </Delete>
            </DefaultRolloverStrategy>
        </RollingFile>

        <!-- sql：保存sql相關(guān)日志 -->
        <RollingFile name="sql"
                     fileName="${logdir}/sql/sql.log"
                     filePattern="${logdir}/sql/sql_%d{yyyy-MM-dd}.log" append="true">
            <PatternLayout pattern="${patternLayout}"/>
            <Policies>
                <TimeBasedTriggeringPolicy modulate="true" interval="1"/>
            </Policies>
            <DefaultRolloverStrategy>
                <Delete basePath="${logDir}/sql/" maxDepth="1">
                    <IfFileName glob="sql_*.log"/>
                    <IfLastModified age="7d"/>
                </Delete>
            </DefaultRolloverStrategy>
        </RollingFile>

    </Appenders>

    <Loggers>
        <!-- 開啟mybatis的sql日志, name和mybatis-config.xml的logPrefix一致 . 級(jí)別為debug或trace-->

        <Logger name="com.example.demo.mybatis.plus.dao" level="TRACE" additivity="false">
            <AppenderRef ref="Console"/>
            <AppenderRef ref="sql"/>
        </Logger>

        <Root level="debug">
            <AppenderRef ref="Console"/>
            <AppenderRef ref="InfoLogger"/>
        </Root>

    </Loggers>

</Configuration>

# 日志配置
logging:
  config: classpath:log4j2.xml
  level:
  	# 查詢接口路徑
    com.example.demo.mybatis.plus.dao: DEBUG