说明：  我觉得用OTL(Oracle template library)非常比较好，它基于C++实现，使用方便，封装得也很好，将来升级维护也会相对简单；最重要的是相关的文档和说明写得非常清楚，简直让人佩服！
(I feel that the use of the OTL (Oracle template library) is very good, It is based on the realization of C, easy to use, also have a good package, future upgrades will maintain relatively simple; the most important thing is relevant documents and notes set out very clearly that people simply admire!)