文件格式就是你需要的源码格式 有数据库设计课程的文件格式，虽然不是很重要 可也许你用的到-database record format is you need,please look it carefully,you can do it.bu duan le why ?database date basedatabase record format is you need,please look it carefully,you can do it.bu duan le why ?database date base