org.apache.ibatis.binding.BindingException: Type interface com.jy.dao.UserDao is not known to the MapperRegistry.

注意点:

org.apache.ibatis.binding.BindingException: Type interface com.jy.dao.UserDao is not known to the MapperRegistry.

org.apache.ibatis.binding。类型接口com. js .dao。MapperRegistry不知道UserDao。

这个是没注册mapper