在使用SpringBoot装配mybatis时出现异常

在使用SpringBoot装配mybatis时出现异常

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APPLICATION FAILED TO START
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Description:

Field studentService in com.example.demo.action.StudentController required a bean of type 'com.example.demo.service.StudentService' that could not be found.

The injection point has the following annotations:
	- @org.springframework.beans.factory.annotation.Autowired(required=true)


Action:

Consider defining a bean of type 'com.example.demo.service.StudentService' in your configuration.


Process finished with exit code 0

　　

Mapper类里添加   @Mapper

配置文件里添加：mybatis.mapper-locations=classpath:/com/example/openapi/login/mapper/*.xml