#### logbok-spring.xml ``` <?xml version='1.0' encoding='UTF-8'?> <configuration> <!--<appender name="consoleLog" class="ch.qos.logback.core.ConsoleAppender"> <layout class="ch.qos.logback.classic.PatternLayout"> <pattern> %d - %msg%n </pattern> </layout> </appender>--> <!--打印INFO日志--> <appender name="fileinfoLog" class="ch.qos.logback.core.rolling.RollingFileAppender"> <!--配置輸出INFO 日志--> <filter class="ch.qos.logback.classic.filter.LevelFilter"> <level>ERROR</level> <onMatch>DENY</onMatch> <onMismatch>ACCEPT</onMismatch> </filter> <encoder> <pattern> %msg%n </pattern> </encoder> <!--滾動策略--> <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> <!--路徑--> <fileNamePattern>logs/info.%d.log</fileNamePattern> </rollingPolicy> </appender> <!--打印錯誤日志--> <appender name="fileerrorLog" class="ch.qos.logback.core.rolling.RollingFileAppender"> <!--配置輸出ERROR 日志--> <filter class="ch.qos.logback.classic.filter.ThresholdFilter"> ERROR </filter> <encoder> <pattern> %msg%n </pattern> </encoder> <!--滾動策略--> <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> <!--路徑--> <fileNamePattern>logs/error.%d.log</fileNamePattern> </rollingPolicy> </appender> <!--引入配置項--> <root level="info"> <!--<appender-ref ref="consoleLog"/>--> <appender-ref ref="fileinfoLog"/> <appender-ref ref="fileerrorLog"/> </root> </configuration> ``` #### application.yml中配置 ``` logging: path: /usr/local/src/tomcat/tomcat8/logs/log #設置log文件路徑 默認名稱：spring.log file: /usr/local/src/tomcat/tomcat8/logs/log/test_log.log #日志文件名 ``` #### 使用 ``` @Slf4j @RestController public class demo { @GetMapping("test") public String test(){ log.info("aaaaaa"); log.error("bbbbbbbbb"); return "test"; } } ```