Field service in com.sinoyd.base.controller.BaseController required a single bean, but 20 were found
参考博文 Mapper接口应添加@Mapper注解 service类应该添加@Service注解 ...
原文：Field configService in com.rr.web.controller.common.CaptchaController required a single bean, but 2 were found: SPRING-BOOT 启动 错误
如图所示 我用的是mybatis plus. mybatis 问题所在就是包扫描 MapperScan basePackages com.rr 问题解决 精确包扫描的范围 MapperScan basePackages com.rr. .mapper ...
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解决：required a single bean, but 2 were found:
https://blog.csdn.net/cc007cc009/article/details/106664829 ...