SpringBoot整合MyBatisPlus出错报错记录：Field userMapper in UserServiceImpl required a bean that could not be

Error starting ApplicationContext. To display the condition evaluation report re-run your application with 'debug' enabled.
2023-06-16T23:25:44.570+08:00 ERROR 15752 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 
Field userMapper in com.example.service.impl.UserServiceImpl required a bean of type 'com.example.mapper.UserMapper' 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.mapper.UserMapper' in your configuration.