Let’s see the effect first—->>>>
Classify according to: error, info, warn:
Each file is classified by date:
The corresponding Maven is as follows:
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.1.10.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.example</groupId> <artifactId>demo</artifactId> <version>0.0.1-SNAPSHOT</version> <name>demo</name> <description>Demo project for Spring Boot</description> <properties> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
Add the following content to application.yml:
#Log configuration logging: file: path: logs #content The logs folder in the root directory stores logs. If it does not exist, create it. pattern: console: "%d{yyyy-MM-dd} [%thread] %-5level %logger{50} - %msg%n"
Core file: logback-spring.xml:
<?xml version="1.0" encoding="UTF-8" ?> <configuration scan="true" scanPeriod="60 seconds"> <springProperty scope="context" name="LOG_NAME" source="spring.application.name"/> <springProperty scope="context" name="LOG_PATH" source="logging.file.path"/> <!-- Log attribute configuration --> <property name="LOG_FILE" value="${LOG_PATH}/${LOG_NAME}.log"/> <property name="LOG_FILE_CLEAN_HISTORY_ON_START" value="false" /> <property name="ROLLING_FILE_NAME_PATTERN" value="${LOG_FILE}.%d{yyyy-MM-dd}.%i" /> <property name="LOG_FILE_MAX_SIZE" value="512MB" /> <property name="LOG_FILE_MAX_HISTORY" value="30" /> <contextName>${LOG_NAME}</contextName> <appender name="consoleLog" class="ch.qos.logback.core.ConsoleAppender"> <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder"> <!--Formatted output (color matching): %d represents the date, %thread represents the thread name, %-5level: the level displays 5 characters from the left, width %msg: log message, %n is the newline character --> <pattern>%boldMagenta(%d{yyyy-MM-dd HH:mm:ss}) %green([%thread]) %highlight(%-5level) %cyan(%logger{50}) - %msg %n </pattern> </encoder> </appender> <!--Separate logs according to log levels and output them to different files --> <appender name="debugLog" class="ch.qos.logback.core.rolling.RollingFileAppender"> <filter class="ch.qos.logback.classic.filter.ThresholdFilter"> <level>debug</level> </filter> <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder"> <pattern> %d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{50} - %msg%n </pattern> <charset>UTF-8</charset> </encoder> <!--Rolling Strategy--> <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> <!--Save logs by time. Modify the format to save by hour, day, or month--> <fileNamePattern>${LOG_PATH}/${LOG_NAME}-debug.%d{yyyy-MM-dd}.log</fileNamePattern> <!--Save duration--> <MaxHistory>${LOG_FILE_MAX_HISTORY}</MaxHistory> <!--File size--> <totalSizeCap>${LOG_FILE_MAX_SIZE}</totalSizeCap> </rollingPolicy> </appender> <!--Separate logs according to log levels and output them to different files --> <appender name="infoLog" class="ch.qos.logback.core.rolling.RollingFileAppender"> <filter class="ch.qos.logback.classic.filter.ThresholdFilter"> <level>INFO</level> </filter> <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder"> <pattern> %d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{50} - %msg%n </pattern> <charset>UTF-8</charset> </encoder> <!--Rolling Strategy--> <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> <!--Save logs by time. Modify the format to save by hour, day, or month--> <fileNamePattern>${LOG_PATH}/${LOG_NAME}-info.%d{yyyy-MM-dd}.log</fileNamePattern> <!--Save duration--> <MaxHistory>${LOG_FILE_MAX_HISTORY}</MaxHistory> <!--File size--> <totalSizeCap>${LOG_FILE_MAX_SIZE}</totalSizeCap> </rollingPolicy> </appender> <appender name="errorLog" class="ch.qos.logback.core.rolling.RollingFileAppender"> <filter class="ch.qos.logback.classic.filter.ThresholdFilter"> <level>ERROR</level> </filter> <encoder> <pattern> %d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{50} - %msg%n </pattern> <charset>UTF-8</charset> </encoder> <!--Rolling Strategy--> <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> <!--Path--> <fileNamePattern>${LOG_PATH}/${LOG_NAME}-error.%d{yyyy-MM-dd}.log</fileNamePattern> <!--Save duration--> <MaxHistory>${LOG_FILE_MAX_HISTORY}</MaxHistory> <!--File size--> <totalSizeCap>${LOG_FILE_MAX_SIZE}</totalSizeCap> </rollingPolicy> </appender> <!--If you don’t need to distinguish the spring environment, use the following code directly--> <root level="info"> <appender-ref ref="consoleLog"/> <appender-ref ref="infoLog"/> <appender-ref ref="errorLog"/> </root> <!--If you need to distinguish springfile, you need to use the following code--> <!-- <springProfile name="local"> <root level="debug"> <appender-ref ref="consoleLog"/> </root> </springProfile> <springProfile name="dev"> <root level="info"> <appender-ref ref="consoleLog"/> <appender-ref ref="infoLog"/> <appender-ref ref="errorLog"/> <appender-ref ref="JSON_FILE" /> </root> </springProfile> <springProfile name="test"> <root level="info"> <appender-ref ref="infoLog"/> <appender-ref ref="errorLog"/> <appender-ref ref="JSON_FILE" /> </root> </springProfile> <springProfile name="prod"> <root level="info"> <appender-ref ref="consoleLog"/> <appender-ref ref="infoLog"/> <appender-ref ref="errorLog"/> <appender-ref ref="JSON_FILE" /> </root> </springProfile>--> </configuration>