spring注入出错:expected at least 1 bean which qualifies as autowire candidate for this dependency

1.查看接口实现类是否加了注解service。

2.查看spring配置文件是否自动扫描包

       <context:component-scan base-package="xxx.xx.xxx">

3.查看是否在web.xml中加载spring容器。(写web.xml时,spring配置文件名写错了)

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转载自blog.csdn.net/weixin_42348845/article/details/84338231