对于查看运行的SQL语句极有帮助！ 配合的依赖：
<dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>1.2.3</version> </dependency>放在resources目录下的XML文件：
<?xml version="1.0" encoding="UTF-8"?> <configuration> <property name="HOME_LOG" value="logs"/> <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"> <layout class="ch.qos.logback.classic.PatternLayout"> <Pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</Pattern> </layout> </appender> <appender name="RollingFile" class="ch.qos.logback.core.rolling.RollingFileAppender"> <filter class="ch.qos.logback.classic.filter.ThresholdFilter"> <level>TRACE</level> </filter> <!-- 测试部署时使用如下配置 --> <!-- 可让每天产生一个日志文件，最多 30 个，更早的删除 --> <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> <fileNamePattern>${HOME_LOG}/log-%d{yyyy-MM-dd}.log</fileNamePattern> <maxHistory>10</maxHistory> </rollingPolicy> <!-- RollingFileAppender 一般情况下需要配置两个参数： RollingPolicy，负责滚动。TriggeringPolicy，决定是否以及何时进行滚动 TimeBasedRollingPolicy比较特殊，它同时继承了RollingPolicy和TriggerPolicy。 --> <encoder> <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern> </encoder> <!-- 正式部署时使用此配置 --> <!-- <file>${app.home}/logs/log.log</file> <append>true</append> <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy"> <fileNamePattern>${app.home}/logs/log.%i.log.zip </fileNamePattern> <minIndex>1</minIndex> <maxIndex>7</maxIndex> </rollingPolicy> <encoder> <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n </pattern> </encoder> <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy"> <maxFileSize>50MB</maxFileSize> </triggeringPolicy> --> </appender> <logger name="com.lanou3g" level="DEBUG"/> <logger name="org.springframework" level="ERROR"/> <logger name="org.mybatis.spring" level="ERROR"/> <logger name="org.apache" level="ERROR"/> <logger name="ch.qos.logback" level="ERROR"/> <root level="debug"> <appender-ref ref="STDOUT"/> <appender-ref ref="RollingFile"/> </root> </configuration>