基于三层架构的知识问答网的设计与实现.doc

摘要:随着互联网的快速发展和广泛应用，数字化校园已经提上日程,为了让同学们更好的学习和交流知识，本系统参照百度知道的模式开发了晓庄知道网络问答系统。该问答系统是采用ASP.NET3.5+ SQL Server 2005+LINQ组合进行开发，是基于B/S结构开发的，用户打开浏览器输入用户名和密码能在系统中提出相关问题并且还能回答其他用户提出的问题。系统主要分为提问、回复、设置最佳答案、关闭问题、搜索问题、用户注册及用户登录七个模块，为同学们在课外学习方面提供了便捷，可有效提高同学们的学习效率。

关键字：网络问答系统； B/S应用程序； ASP.NET； LINQ

Abstract:With the rapid development of the Internet and its widespread application, digital campus has been put on the agenda. In order to improve the students’ learning experience , this paper focus on the design and implementation of the XiaoZhuang Know Q&A web system, which refers to the working mode of  Baidu Know. The Q&A system is developed with the ASP. NET3.5 + SQL Server 2005 + LINQ combination, which is based on the B/S structure .The user can open the browser to enter his name and password to put on questions in the system and also can answer questions which is asked by the other users. System mainly consists of ask, reply, set the best answer, close issue, search problem, user registration and user login .The seven modules provide convenience for students’ extracurricular learning, and greatly improve the learning efficiency. 

Keywords:  Q&A Web System ;  B/S  Application ;  ASP.NET ;  LINQ

　　该网络问答系统具有十分广泛的应用前景，一旦这样一个知识问答系统设计完成并投入使用，它将以现代的信息传递方式代替了原始的书信传播模式。它将以往的由学生老师面对面问答时代带进了信息化网络自助管理时代，解决了学生和老师的时间，地域限制。给学生的学习上带来了一定的好处和方便，在有效的时间内，能更清晰了解到自己所需要的知识。知识问答系统以独立化的模块为基础，实现了用户所要求的功能。