1 引入jar包：maven resposity 中 選擇logback classic module

?

<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.2.3</version>
</dependency>

2 添加logback.xml 配置文件 <?xml version="1.0" encoding="UTF-8"?> <configuration><appender name="console" class="ch.qos.logback.core.ConsoleAppender"><encoder><pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern></encoder></appender><appender name="rollingFile" class="ch.qos.logback.core.rolling.RollingFileAppender"><file>d:/logs/carmall-manager.log</file><rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"><fileNamePattern>d:/logs/carmall-manager.%d{yyyy-MM-dd}.log</fileNamePattern></rollingPolicy><encoder><pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern></encoder></appender><!-- mapper 文件的包路徑--><logger name="mapper" level="debug" /><!--log4jdbc --><logger name="jdbc.sqltiming" level="debug"/><logger name="com.ibatis" level="debug" /><logger name="com.ibatis.common.jdbc.SimpleDataSource" level="debug" /><logger name="com.ibatis.common.jdbc.ScriptRunner" level="debug" /><logger name="com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate"level="debug" /><logger name="java.sql.Connection" level="debug" /><logger name="java.sql.Statement" level="debug" /><logger name="java.sql.PreparedStatement" level="debug" /><logger name="java.sql.ResultSet" level="debug" /><root level="info"><appender-ref ref="console" /><appender-ref ref="cn.iautos.manager" /><appender-ref ref="com.ibatis" /><appender-ref ref="rollingFile" /></root> </configuration>

　　最后輸出日志

22:25:42,179 |-INFO in ch.qos.logback.classic.joran.action.LoggerAction - Setting level of logger [java.sql.PreparedStatement] to DEBUG 22:25:42,179 |-INFO in ch.qos.logback.classic.joran.action.LoggerAction - Setting level of logger [java.sql.ResultSet] to DEBUG 22:25:42,179 |-INFO in ch.qos.logback.classic.joran.action.RootLoggerAction - Setting level of ROOT logger to INFO 22:25:42,179 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named [console] to Logger[ROOT] 22:25:42,180 |-ERROR in ch.qos.logback.core.joran.action.AppenderRefAction - Could not find an appender named [cn.iautos.manager]. Did you define it below instead of above in the configuration file? 22:25:42,180 |-ERROR in ch.qos.logback.core.joran.action.AppenderRefAction - See http://logback.qos.ch/codes.html#appender_order for more details. 22:25:42,180 |-ERROR in ch.qos.logback.core.joran.action.AppenderRefAction - Could not find an appender named [com.ibatis]. Did you define it below instead of above in the configuration file? 22:25:42,180 |-ERROR in ch.qos.logback.core.joran.action.AppenderRefAction - See http://logback.qos.ch/codes.html#appender_order for more details. 22:25:42,180 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named [rollingFile] to Logger[ROOT] 22:25:42,180 |-INFO in ch.qos.logback.classic.joran.action.ConfigurationAction - End of configuration. 22:25:42,181 |-INFO in ch.qos.logback.classic.joran.JoranConfigurator@7d417077 - Registering current configuration as safe fallback point22:25:42.649 [main] DEBUG mapper.UserMapperI.getUser - ==> Preparing: select * from users where id=? 22:25:42.704 [main] DEBUG mapper.UserMapperI.getUser - ==> Parameters: 1(Integer) 22:25:42.742 [main] DEBUG mapper.UserMapperI.getUser - <== Total: 1 User{id='1', name='test', action='test'}

　　

最近在項目中添加日志

如果是spring boot項目的話：
只要在application.properties里面加上

logging.level.com.你的包名=true。就ok

轉載于:https://www.cnblogs.com/onfly/p/7748422.html

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