Spring 事物隔离级别 以及String、StringBuffer、Stringbuilder三者差别springboot+mybatis把sql语句打印在控制台

Spring 事物隔离级别

https://blog.csdn.net/cy_7030/article/details/91802949

 

String、StringBuffer、Stringbuilder三者差别

https://blog.csdn.net/qq_36814756/article/details/84137257

 

logging.level.xxx.xxx.mapper=debug