springboot+mybatis+log4j 打印sql

mybatis:
configuration:
log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

#打印sql部分
log4j.logger.java.sql=DEBUG
log4j.logger.java.sql.Connection = DEBUG  
log4j.logger.java.sql.Statement = DEBUG  
log4j.logger.java.sql.PreparedStatement = DEBUG  
log4j.logger.java.sql.ResultSet = DEBUG

#配置logger扫描的包路径  这样才会打印sql
log4j.logger.com.tf8.wechat.common.dao=DEBUG