Abstract
A solution about building a real-time online stock trading system is given by using the technologies of Ajax, Struts and Hibernate framework. It uses B/S browser, application server, database server three-layer architecture configured into presentation layer, business logic layer, persistence layer three-way architecture according to MVC. And it is implemented by using Struts framework with all data stored in Oracle database; the data persistence layer is realized by using Hibernate3 framework; client-side validation of form and real-time stock information's updating automatically are implemented by using Ajax technology; it is JMS that keeps the communication among the different modules, such as stock data acquisition module and analog transaction module. The test results show that this system has the characteristics of good real-time and safety, runs stably and reliably, so it verifies the validity of the solution.
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