Field service in com.sinoyd.base.controller.BaseController required a single bean, but 20 were found
參考博文 Mapper接口應添加@Mapper注解 service類應該添加@Service注解 ...
原文：Field configService in com.rr.web.controller.common.CaptchaController required a single bean, but 2 were found: SPRING-BOOT 啟動 錯誤
如圖所示 我用的是mybatis plus. mybatis 問題所在就是包掃描 MapperScan basePackages com.rr 問題解決 精確包掃描的范圍 MapperScan basePackages com.rr. .mapper ...
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解決：required a single bean, but 2 were found:
https://blog.csdn.net/cc007cc009/article/details/106664829 ...