Spring cloud的專案, 預設情況下spring boot使用Logback作為日誌實現的框架,

在application.properties中加入：(com.xxx.xx 是你專案的package)

debug=true
logging.level.org.springframework.web=DEBUG
logging.level.com.xxx.xxx=DEBUG

然後重啟，就可以看到sql日誌了：

2017-11-10 13:39:24.225 DEBUG 20868 --- [nio-8762-exec-1] c.p.cloud.dao.PDao.query  : ==>  Preparing: SELECT * FROM T where id = ? 
 
2017-11-10 13:39:24.259 DEBUG 20868 --- [nio-8762-exec-1] c.p.cloud.dao.PDao.query  : ==> Parameters: 1(String)
2017-11-10 13:39:24.320 DEBUG 20868 --- [nio-8762-exec-1] c.p.cloud.dao.PDao.query  : <==      Total: 1
2017-11-10 13:39:24.321 DEBUG 20868 --- [nio-8762-exec-1] c.p.cloud.dao.PDao.update       : ==>  Preparing: update T SET info = ? where id = ? 
 
2017-11-10 13:39:24.322 DEBUG 20868 --- [nio-8762-exec-1] c.p.cloud.dao.PDao.update       : ==> Parameters: 你好！！！(String)
2017-11-10 13:39:24.388 DEBUG 20868 --- [nio-8762-exec-1] c.p.cloud.dao.PDao.update       : <==    Updates: 1