No qualifying bean of type 'com.huizhidongli.service.CategoryService' available: expected at least 1 bean which qualifies as autowire candidate.
找不到对应的bean
原因是:对应要注入的实现类没有 加注解,如dao层 @Repository 如service层 @Service
本文探讨了在Spring框架中遇到Noqualifyingbeanoftype错误的原因及解决方案,主要聚焦于未正确标注实现类的问题,例如在DAO层缺少@Repository或在Service层缺少@Service注解。
No qualifying bean of type 'com.huizhidongli.service.CategoryService' available: expected at least 1 bean which qualifies as autowire candidate.
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