若要向项目中添加atl(活动模板库)对象，项目必须已创建为atl应用程序或者包含A TL支持的MFC应用程序。
To add an ATL (Active Template Library) object to your project, your project must have been created as an ATL application or as an MFC application that contains ATL support.
RoRRoR处理创建的模板，生成HTML代码，控制器的直接传入请求和模型，使数据库都处于活动状态对象中。
RoR deals with creating the templates that generate HTML code, the controllers that direct incoming requests and the model that makes the database come alive in objects.
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