日誌的做用就比如咱們生活中的監控器同樣,能時時刻刻記錄發生的重大的事情。spring
在springboot項目中,咱們怎麼實現日誌輸出到日誌文件中呢?springboot
配置文件內容以下:session
<?xml version="1.0" encoding="utf-8" ?> <configuration scan="true" scanPeriod="60 seconds" debug="false"> <contextName>logback</contextName> <!--console--> <appender name="console" class="ch.qos.logback.core.ConsoleAppender"> <filter class="ch.qos.logback.classic.filter.ThresholdFilter"> <level>INFO</level> </filter> <encoder> <pattern> %blue([SessionId:%X{sessionId}]) %red(%d{yyyy-MM-dd HH:mm:ss}) %green([%thread]) %highlight(%-5level) %logger{10} - %msg%n %caller{1} </pattern> </encoder> </appender> <!--file--> <appender name="file" class="ch.qos.logback.core.rolling.RollingFileAppender"> <Prudent>true</Prudent> <File>demo.log</File> <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> <FileNamePattern> demo.log.%d{yyyy-MM-dd} </FileNamePattern> </rollingPolicy> <encoder> <charset>UTF-8</charset> <Pattern> [SessionId:%X{sessionId}] %d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{10} - %msg%n %caller{1} </Pattern> </encoder> </appender> <root level="INFO"> <appender-ref ref="console" /> <appender-ref ref="file" /> </root> </configuration>