基于AJAX的信息聚合系统的研究与实现

发布时间：2019-06-11 09:44

【摘要】： 在Web数据呈爆炸性增长的信息社会，互联网用户获取信息的环境越来越恶劣，大量的弹出式广告、浮动广告，不健康的、不相关的内容分散了用户的注意力，在使用浏览器浏览网页的时候，当页面刷新很慢的时候，用户的浏览器在等待刷新，屏幕内容是一片空白，用户在屏幕前苦苦的等待浏览器的响应。用户要获取有用信息往往需要花费很多时间，严重影响了用户的工作效率和使用体验。同时，在网络信息日益膨胀的Web2.0时代，个人用户变成了信息发布的新媒体，我们常常发现被淹没在海量信息中要找到自己需要的信息并不是很轻松的事情，因此用户能快速、高效、低成本的获取感兴趣的信息成为一个巨大的问题和需求。本文将讨论和研究目前Web2.0中流行的RSS和AJAX两种关键技术，利用RSS可以实现网络信息聚合，而AJAX的强大功能可以使用户任意修改网页上的信息，而无须向服务器重新发送请求和刷新页面。两种技术的结合可以大大提高用户体验，并很大程度上缓解了服务器的数据处理压力。在设计中，本系统借鉴了MVC(模型-视图-控制器)设计模式来实现显示内容和业务逻辑的完全分离，综合采用Servlet+JSP+JavaBean技术，由Servlet处理请求和控制业务流程，由JSP输出相应结果，由JavaBean负责具体的业务数据和业务逻辑，，使得系统具有很强的伸缩性、通用性、兼容性和可操作性。开发成果为B／S模式，客户端只需要浏览器就可以实现信息的聚合与阅读，操作起来方便简洁。论文第一部分主要论述了网络信息聚合系统的特点，以及课题的内容、开发价值和意义；第二部分针对论述Web应用技术的发展，介绍了RSS技术和AJAX技术，以及在本系统中的实现；第三部分着重进行了系统的分析与设计；第四部分描述了系统中关键环节的实现；第五部分是针对信息聚合系统的部署实施进行阐述，最后对全文做了总结。
[Abstract]:In the information society with the explosive growth of the Web data, the environment of the Internet users to obtain information is more and more severe, a large number of pop-up advertisements, floating advertisements, unhealthy and irrelevant contents are distributed with the attention of the users, and when the browser is used for browsing the webpage, When the page is refreshed slowly, the user's browser is waiting to be refreshed, the content of the screen is blank, and the user is waiting for the browser's response before the screen. The user is often required to take a lot of time to obtain useful information, which seriously affects the user's working efficiency and the use experience. At the same time, in the increasingly expanded Web 2.0 era, individual users become new media for information release, and we often find that it is not easy to find the information we need in mass information, so the user can quickly and efficiently, Low-cost acquisition of information of interest becomes a great problem and demand. This paper will discuss and study two key technologies of RSS and AJAX that are popular in the current Web 2.0. Using RSS can realize network information aggregation, and the powerful function of AJAX can make users arbitrarily modify the information on the web page without re-sending them to the server. Summing and refreshing the page. The combination of the two technologies can greatly improve the user experience and largely relieve the server. In the design, the system uses the MVC (model-view-controller) design pattern to realize the complete separation of the display content and the business logic. The Servlet + JSP + JavaBean technology is adopted to process the request and control the business process by the Servlet. The corresponding results are output, and the JavaBean is responsible for the specific business data and business logic, so that the system has strong flexibility, universality and compatibility. and the development result is B/ S mode, and the client only needs a browser to realize the aggregation and reading of the information, and the operation The first part of the paper mainly discusses the characteristics of the network information aggregation system, as well as the content, development value and significance of the project. The second part introduces the development of Web application technology, and introduces the RSS technology and AJAX. Technology and implementation in the system; the third part focuses on the analysis and design of the system; the fourth part describes the implementation of the key links in the system; and the fifth part is for the deployment and implementation of the information aggregation system.
【学位授予单位】：武汉理工大学
【学位级别】：硕士
【学位授予年份】：2007
【分类号】：TP311.52

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