log4j如何关闭掉mybatis的实现日志?


2018-12-20 17:51:50.754 [SCHEDULE-MATCH-2] DEBUG c.f.n.g.h.i.GameRepositoryImpl(51) - (re)load gameInfo succeed
2018-12-20 17:52:00.756 [SCHEDULE-MATCH-4] DEBUG c.f.n.g.m.m.B.listAllGames(159) - ==>  Preparing: SELECT * FROM game_info WHERE game_state = 0; 
2018-12-20 17:52:00.756 [SCHEDULE-MATCH-4] DEBUG c.f.n.g.m.m.B.listAllGames(159) - ==> Parameters: 
2018-12-20 17:52:00.776 [SCHEDULE-MATCH-4] DEBUG c.f.n.g.m.m.B.listAllGames(159) - <==      Total: 32
2018-12-20 17:52:00.777 [SCHEDULE-MATCH-4] DEBUG c.f.n.g.m.m.B.listAllGameWords(159) - ==>  Preparing: SELECT * FROM game_word 
2018-12-20 17:52:00.778 [SCHEDULE-MATCH-4] DEBUG c.f.n.g.m.m.B.listAllGameWords(159) - ==> Parameters: 
2018-12-20 17:52:00.784 [SCHEDULE-MATCH-4] DEBUG c.f.n.g.m.m.B.listAllGameWords(159) - <==      Total: 20
2018-12-20 17:52:00.785 [SCHEDULE-MATCH-4] DEBUG c.f.n.g.m.m.B.listAllGameUnit(159) - ==>  Preparing: select * from game_unit 
2018-12-20 17:52:00.786 [SCHEDULE-MATCH-4] DEBUG c.f.n.g.m.m.B.listAllGameUnit(159) - ==> Parameters: 
2018-12-20 17:52:00.789 [SCHEDULE-MATCH-4] DEBUG c.f.n.g.m.m.B.listAllGameUnit(159) - <==      Total: 2
项目里使用的mybatis后,所有的mapper实现都会打出来这些日志,如何在保证项目日志级别为debug的前提下 , 关闭掉这些mybatis的实现日志,还有个前提是项目由十几个服务统一使用了这一套log配置,各个mapper的路径也不一样.