我的项目是使用Spring boot和Mybatis构建的，我想查看sql查询语句，该怎么办？
答案 0 :(得分：0)
假设您的映射器位于软件包your.pkg.mapper中，请在application.properties中添加以下行，以指示MyBatis打印语句，参数和查询结果。
logging.level.your.pkg.mapper=TRACE
以下是sample project的控制台输出。
2019-05-17 01:01:01.631 DEBUG 76540 --- [ main] s.m.mapper.CityMapper.selectCityById : ==> Preparing: select id, name, state, country from city where id = ?
2019-05-17 01:01:01.671 DEBUG 76540 --- [ main] s.m.mapper.CityMapper.selectCityById : ==> Parameters: 1(Long)
2019-05-17 01:01:01.705 TRACE 76540 --- [ main] s.m.mapper.CityMapper.selectCityById : <== Columns: ID, NAME, STATE, COUNTRY
2019-05-17 01:01:01.705 TRACE 76540 --- [ main] s.m.mapper.CityMapper.selectCityById : <== Row: 1, San Francisco, CA, US
2019-05-17 01:01:01.711 DEBUG 76540 --- [ main] s.m.mapper.CityMapper.selectCityById : <== Total: 1
2019-05-17 01:01:01.724 DEBUG 76540 --- [ main] s.m.mapper.HotelMapper.selectByCityId : ==> Preparing: select city, name, address, zip from hotel where city = ?
2019-05-17 01:01:01.724 DEBUG 76540 --- [ main] s.m.mapper.HotelMapper.selectByCityId : ==> Parameters: 1(Integer)
2019-05-17 01:01:01.724 TRACE 76540 --- [ main] s.m.mapper.HotelMapper.selectByCityId : <== Columns: CITY, NAME, ADDRESS, ZIP
2019-05-17 01:01:01.724 TRACE 76540 --- [ main] s.m.mapper.HotelMapper.selectByCityId : <== Row: 1, Conrad Treasury Place, William & George Streets, 4001
2019-05-17 01:01:01.725 DEBUG 76540 --- [ main] s.m.mapper.HotelMapper.selectByCityId : <== Total: 1
如果不需要查询结果，请将日志级别更改为DEBUG。
还可以为每个映射器/语句设置不同的日志级别。
有关详细信息，请参见doc。