Java No MyBatis mapper was found in '[com.example.demo.mapper.UserMapper]' pack xyy123 2023-10-05 215 阅读1分钟 出现情景 今天学习Mybatis-plus时候，为启动类的@MapperSacn()添加地址User地址，确保书写无误，但是报错 解决方案 将注解@MapperScan()的User地址只写到父级 即com.example.demo.mapper.UserMapper=>com.example.demo.mapper
