springboot(10)日志记录

1、配置

springboot默认使用logback日志框架。
在src/main/resources路径下创建logback.xml文件,模板见2。springboot则会自动读取该配置文件并启动logback日志框架。

2、配置文件

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<?xml version="1.0" encoding="UTF-8"?>
<configuration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.padual.com/java/logback.xsd" debug="false"
scan="true" scanPeriod="30 second">
<property name="PROJECT" value="marketing" />
<property name="ROOT" value="logs/${PROJECT}/" />
<!-- 单个日志文件超过50MB自动切分 -->
<property name="FILESIZE" value="50MB" />
<!-- 日志最大保留30天 -->
<property name="MAXHISTORY" value="30" />

<!-- 控制台打印 -->
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>[%-5level] %d{yyyy-MM-dd HH:mm:ss} [%t:%r:%c:%L] - %m%n</pattern>
</encoder>
</appender>
<!-- ERROR 输入到文件,按日期和文件大小 -->
<appender name="ERROR-OUT" class="ch.qos.logback.core.rolling.RollingFileAppender">
<encoder>
<pattern>[%-5level] %d{yyyy-MM-dd HH:mm:ss} [%t:%r:%c:%L] - %m%n</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>ERROR</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${ROOT}%d/error.%i.log</fileNamePattern>
<maxHistory>${MAXHISTORY}</maxHistory>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>${FILESIZE}</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
</appender>
<!-- WARN 输入到文件,按日期和文件大小 -->
<appender name="WARN-OUT" class="ch.qos.logback.core.rolling.RollingFileAppender">
<encoder>
<pattern>[%-5level] %d{yyyy-MM-dd HH:mm:ss} [%t:%r:%c:%L] - %m%n</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>WARN</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${ROOT}%d/warn.%i.log</fileNamePattern>
<maxHistory>${MAXHISTORY}</maxHistory>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>${FILESIZE}</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
</appender>
<!-- INFO 输入到文件,按日期和文件大小 -->
<appender name="INFO-OUT" class="ch.qos.logback.core.rolling.RollingFileAppender">
<encoder>
<pattern>[%-5level] %d{yyyy-MM-dd HH:mm:ss} [%t:%r:%c:%L] - %m%n</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>INFO</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${ROOT}%d/info.%i.log</fileNamePattern>
<maxHistory>${MAXHISTORY}</maxHistory>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>${FILESIZE}</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
</appender>
<!-- DEBUG 输入到文件,按日期和文件大小 -->
<appender name="DEBUG-OUT" class="ch.qos.logback.core.rolling.RollingFileAppender">
<encoder>
<pattern>[%-5level] %d{yyyy-MM-dd HH:mm:ss} [%t:%r:%c:%L] - %m%n</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>DEBUG</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${ROOT}%d/debug.%i.log</fileNamePattern>
<maxHistory>${MAXHISTORY}</maxHistory>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>${FILESIZE}</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
</appender>
<!-- TRACE 输入到文件,按日期和文件大小 -->
<appender name="TRACE-OUT" class="ch.qos.logback.core.rolling.RollingFileAppender">
<encoder>
<pattern>[%-5level] %d{yyyy-MM-dd HH:mm:ss} [%t:%r:%c:%L] - %m%n</pattern>
</encoder>
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>TRACE</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${ROOT}%d/trace.%i.log</fileNamePattern>
<maxHistory>${MAXHISTORY}</maxHistory>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>${FILESIZE}</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
</appender>


<!-- mapper层debug日志,输出sql日志 -->
<!-- <logger name="DAO mapper包名" level="DEBUG"></logger> -->

<!--打印logback初始化日志系统信息-->
<statusListener class="ch.qos.logback.core.status.OnConsoleStatusListener"/>

<!--为了防止进程退出时,内存中的数据丢失,请加上此选项-->
<shutdownHook class="ch.qos.logback.core.hook.DelayingShutdownHook"/>

<!-- Logger 根目录 -->
<root level="INFO">
<appender-ref ref="STDOUT" />
<appender-ref ref="ERROR-OUT" />
<appender-ref ref="WARN-OUT" />
<appender-ref ref="INFO-OUT" />
<appender-ref ref="DEBUG-OUT" />
<appender-ref ref="TRACE-OUT" />
</root>
</configuration>

3、使用

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import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class TestAction {

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

@RequestMapping("/index")
public String index() {

logger.info("记录日志");
return "/index";
}
}