spring boot 连接mysql报错。配置数据源失败:未指定“url”属性,无法配置嵌入的数据源
报错信息:FailedtoconfigureaDataSource:'url'attributeisnotspecifiedandnoembeddeddatasourcecouldbeconfigured.Reason:FailedtodetermineasuitabledriverclassAction:Considerthefollowing:Ifyouwantanembeddeddataba