本文详细解析了在Spring框架中遇到的依赖注入错误，具体为在创建名为‘studentController’的bean时，无法找到类型为‘com.hgcbys.service.StudentInfoService’的bean定义。文章强调了在Controller或Service中正确配置@Controller或@Service注解的重要性。
Error creating bean with name ‘studentController’: Unsatisfied dependency expressed through field ‘studentInfoService’; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type ‘com.hgcbys.service.StudentInfoService’ available: expected at least 1 bean which qualifies as autowire candidate.
注意：一定要先看Controller或者Service中是否配置了@Controller或者@Service！！！！！！！！！
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