Field userMapper in com.example.playspring.service.UserService required a bean of type 'com.example.

一、报错信息 Field sysUserMapper in com.example.playspring.service.sysUserService required a bean of type 'com.example.playspring.mapper.sysUserMapper' that could not be found. 二、解决办法： 在主函数类上添加以上注解，可以扫描dao包

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