spring和mybatis整合报错:org.springframework.beans.MethodInvocationException: Property 'dataSource' threw exception; nested exception is java.lang.NoClassDefFoundError

Exception in thread "main" org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userServiceImpl': Unsatisfied dependency expressed through field 'dao'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.lhf.dao.UserDao' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}Exception in thread "main" org.springframework.