1 回答启动Springboot时Cannot determine embedded database driver class for database type NONE

1 回答​@xiangzepro：呼叫大神们：No qualifying bean of type 'com.spring.springboot.dao.AreaDao' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}

1 回答启动报错：No MyBatis mapper was found in '[com.imooc.demo.config.dao]' package. Please check your configuration.

2 回答This application has no explicit mapping for /error, so you are seeing this as a fallback.

1 回答post页面报错 ids for this class must be manually assigned before calling save()