ssm中整合JPA出现的问题

Unsatisfied dependency expressed through field ‘operationRespository’: No qualifying bean of type [com.louis.repository.OperationRespository] found for dependency [com.louis.repository.OperationRespository]: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [com.louis.repository.OperationRespository] found for dependency [com.louis.repository.OperationRespository]: expected at least 1 bean which qualifies as autowire candidate for this dependency.