1.引入jar包
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.35</version>
</dependency>
<dependency>
<groupId>cglib</groupId>
<artifactId>cglib</artifactId>
<version>3.3.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/commons-logging/commons-logging -->
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.0</version>
</dependency>
2类路径下建log4j.properties,包名按mapper实际情况修改
#log4j-1
#\u5168\u5C40\u65E5\u5FD7\u914D\u7F6E
log4j.rootLogger=ERROR,stdout
#MyBatis\u65E5\u5FD7\u914D\u7F6E
log4j.logger.tju.MyBtsBasic.mapper.XingmingMapper=DEBUG
#\u63A7\u5236\u53F0\u8F93\u51FA
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d [%t] %-5p[%c] - %m%n