一起学习Spring boot 2.1.X | 第四篇：日志配置

我就是我 2022-01-27 23:25 175阅读 0赞

### 运行效果 ###

![20190522171755880.png][]  
注：方法一简单输出日志，(推荐)方法二输出日志比较详细

## 方法一： ##

1.直接引用Spring boot项目的日志

application配置

logging.file=C:/wwwroot/logs/logback.log

## 方法二： ##

1.新建logback.xml

<?xml version="1.0" encoding="UTF-8"?>
    
    <configuration scan="true">
        
        <property name="LOG_HOME" value="C:/wwwroot/logs/Logback" />
    
        
        <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
            <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
                
                <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
            </encoder>
        </appender>
    
        
        <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
            <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
                
                <FileNamePattern>${LOG_HOME}/%d{yyyy-MM-dd}.log</FileNamePattern>
                
                <MaxHistory>10</MaxHistory>
            </rollingPolicy>
            <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
                
                <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n</pattern>
            </encoder>
            
            <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
                <MaxFileSize>10MB</MaxFileSize>
            </triggeringPolicy>
        </appender>
    
        
        <root level="INFO">
            <appender-ref ref="STDOUT" />
            <appender-ref ref="FILE" />
        </root>
    
        
        
    
    </configuration>

2.application

#Loggin
    #config:日志配置文件
    logging.config=classpath:logback.xml

[20190522171755880.png]: /images/20220128/4fe69d6831eb4e78b538dfc9e24c9926.png