springboot(10)日志记录

springboot

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";
	}
}
>