realthinclient是一套不错的vcl通迅组件，但是如何用它开发三层架构的资料非常少，本程序就是利用ADO+realthinclient完成的一个三层结构的程序-realthinclient vcl is a good communication components, but how to use it to develop three-tier architecture, very little information, this program is to use ADO+ rea