打印SQL语句需要在
application.properties 文件中进行配置
#打印sql
logging.level.com.hz.controller=WARN #控制器层
logging.level.com.hz.mapper=DEBUG #Dao接口层
logging.level.后面是你的接口层的包名=日志的级别
每类日志的级别分为如下 7 种:
SEVERE (highest value) > WARNING > INFO > CONFIG > FINE > FINER > FINEST (lowest value)