DTL As a result of the template of the package, similar to stl in the use of the template class, very easy to use, but efficient than However otl, but ease of use is much easier than otl.

• dtl由于进行了模板化的封装；在使用上类似于stl的模板类；非常容易上手；不过效率上比不过otl；但是易用性比otl强多了.；如果你的代码要跨平台运行；数据库操作部分建议采用该库进行设计