expected at least 1 bean which qualifies as autowire candidate for this depe (spring无法注入)
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1.查看接口实现类是否加入注解,如service、repository等。
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。(我就是监听漏了,汗...)
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