Spring Boot Integrated MyBatis

<mapper namespace= "Com.example.demo.mapper.UserMapper" > Namespace bind the DAO layer interface Usermapper, define the method in the interface to operate the database, Instead of implementing it, add the SQL statement to the corresponding mapper file.
Database crud operations. Configure the MyBatis configuration file in Application.properties, mapper path.

Mybatis.config-location=classpath:mybatis/mybatis-config.xml
Mybatis.mapper-locations=classpath:mybatis/mapper/usermapper.xml
If this address is wrong, it will be reported invalid bind exception. You need to carefully modify the path, including the file name, because I didn't add. xml when I created the XML file, so I couldn't identify it.

Spring Boot Integrated MyBatis