A component required a bean of type 'com.example...' that could not be found解決辦法

工程啟動報錯
A component required a bean of type ‘com.example…’ that could not be found

 

解決辦法一：
1、再啟動類添加mapper包掃描注解即可
@MapperScan(“com.example.firstspringboot.dao”)

解決辦法二：
在每個mapper接口上添加@mapper注解

 

轉載自：https://blog.csdn.net/qq_34206683/article/details/86179789