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And the typical desktop applications compared to a traditional Web application execution speed is very slow , the user's interactive experience is limited , but with the emergence of Web2.0 , this phenomenon is gradually breaking down . This project combined with the use of AJAX ( Asynchronous JavaScript and XML applications ) technology and Struts framework technology , rich Internet applications , use Web 2.0 Another key technology of RSS information push services . AJAX (Asynchronous JavaScript and XML) , Java, XML and JavaScrit combination of programming techniques , which allows developers to build Web applications based on Java technology , and break the Web application uses the conventions of a page reload . AJAX client script to the exchange of data on the Web server , web pages do not need to interrupt the flow of the interaction , you can reload , and can be dynamically updated . Automobile e-commerce website , through a combination of AJAX technology and Struts framework technology , rich Internet applications , such as : user login module, user registration module and website refresh timer function , which greatly improved the user and the Web site interactive experience , saving users valuable time and bandwidth . At the same time , the topic also provides a simple enterprise product information , combined with B2B functions , to break the limitations of traditional Web pages , namely the use of Web2.0 among the other key technologies RSS information push service , and also create an online RSS reader , so that users can receive other information from the Internet , of course , which also includes the supply and demand information from the site . In the specific implementation , the entire site using the MVC model development . Web tier using Struts framework technology to build , and the Struts framework and AJAX technology combined in order to achieve a rich Internet application effect . In the business logic to to use JavaBean achieve core business logic of the system . Data persistence layer using Struts framework provides the database connection pool technology to establish a connection with the DataBase , also prepared a tools for packaging and to find sources of information , as well as access to the join operation .
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