说明：  DNN是应用广泛的门户网站。基于ASP_NET的Web应用框架DNN的研究与应用，深入讨论了DNN框架是如何在实际中安装和设置的。
(DNN is a widely used portal. The Web application framework based on DNN ASP_NET research and application, in-depth discussion of the DNN framework is how to install and set up practice.)