【java异常】expected at least 1 bean which qualifies as autowire candidate for this depende
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
4.service是否有实现impl
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