SpringBoot 遇到“Consider defining a bean of type ‘xxx‘ in your configuration.”问题

具体问题看下面图片：

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2022-08-09 16:32:20.952 ERROR 16936 --- [  restartedMain] o.s.b.d.LoggingFailureAnalysisReporter   : 

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APPLICATION FAILED TO START
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Description:

Field blogService in com.blog.blog.web.admin.BlogController required a bean of type 'com.blog.blog.service.BlogService' that could not be found.

The injection point has the following annotations:

Consider defining a bean of type 'com.blog.blog.service.BlogService' in your configuration.

造成该问题的主要原因是在在实现接口的时候没有添加@Service注释，也就是该类并没有注册到spring容器中。

 所以解决方法如上图，在该类之前添加@Service注释，或者在applicationContext.xml配置文件中添加配置。