在Internet飞速发展的今天，互联网成为人们快速获取、发布和传递信息的重要渠道，它在人们政治、经济、生活等各个方面发挥着重要的作用。因此网站建设在Internet应用上的地位显而易见，它已成为人们日常生活中相互沟通和联系的重要平台，从而倍受人们的重视。
    这次我们所设计的课题正是互联网与社会生活之间的紧密关系的体现。现今的社会，人们已经离不开了网络，网络已经成为人与人之间交流的一种形式。心缘同学录网站的建设不仅能够使同学们的联络方式有所改变，也大大地方便了同学们的相互交流，更重要的是为我们同学们提供了一个相互沟通和联系的平台，使他们保持彼此之间的联系，加深彼此间的感情。

该同学录网站使用ASP.NET进行设计与实现，具有留言板管理，通讯录管理，班级管理，照片管理，信息查询，其他功能，例如友情提醒、热点信息、通过E-mail通知校友注册等功能。

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The application scope of the computer network expands unceasingly along with the computer technology rapid progress and the computer network rapid development, so the people take more and more attention to the computer network. This article obtains from the network security foundation concept, it analyzed each kind of security hidden danger to the current computer network, and analyzed many kinds of attacks method of the hacker, The majority secure question appearance is because the evil intention of the human who attempts to obtain some kind of advantage or to harm certain people intentionally. It may see the network security that not merely enable network not to have the mistake, it guards against these artificial malicious destruction. We must even more take the security policy of computer network system and the research of the development direction along with the computer network system rapid development.【KEYWORDS】 application; SQL; management