Java No MyBatis mapper was found in '[com.example.demo.mapper.UserMapper]' pack

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

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解决方案

将注解@MapperScan()的User地址只写到父级

com.example.demo.mapper.UserMapper=>com.example.demo.mapper

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