Spring,基于Java配置bean出现 org.springframework.beans.factory.NoSuchBeanDefinitionException

前段时间刚接触spring出现了这个问题
十二月 02, 2019 2:06:00 下午 org.springframework.context.annotation.AnnotationConfigApplicationContext prepareRefresh
信息: Refreshing org.spring[email protected]11d72ca: startup date [Mon Dec 02 14:06:00 CST 2019]; root of context hierarchy
Exception in thread “main” org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type ‘net.zhongraun.service.UserService’ available
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBean(DefaultListableBeanFactory.java:353)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBean(DefaultListableBeanFactory.java:340)
at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1093)
at net.zhongruan.springboot_anuto.App.main(App.java:20)
解决方法1:
将service类,dao类和主程序类放在同一包下.

解决方法2:
在configuration扫描包中将将没加入的bean包加入
问题就解决了.