基于RemObjects的持久层系统，有着不错的实现思路哦， 如果是初学RO的话可以从些程序中得到很大的提升。 有兴趣的朋友可以参考一下-Based on RemObjects persistence layer system, has achieved a good idea Oh, if RO is a beginner, then these programs can be greatly improved. Interested friends can make referenc