A component required a bean of type ‘com.wyh.service.XXX‘ that could not be found.
A component required a bean of type ‘XXXService’ that could not be found
组件需要找不到“Service”类型的bean
因为service的实现类serviceimpl忘记了加@Service注解。
只要在下面加入这个注释就能获取到bean
@Service
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