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作为Web 2.0标准核心之一的Ajax模式,通过在客户端建构中间层,实现了页面表现与应用逻辑的分离,并且支持B/S环境下用户操作与服务器响应的异步化。文中简要阐述了Ajax模式的核心概念、体系结构和异步交互机制,并通过基于Ajax模式的网上书店实例的设计和开发,体现了其在异步交互Web环境中的框架结构、逻辑组织和在改善网络带宽、优化用户体验等方面相比于传统Web模型的诸多优越性。
Ajax, which is one of the core Web 2.0 standards, implements the separation between page presentation and application logic by constructing an intermediate layer on the client side. It also supports asynchronous user actions and server responses in B / S environment. This paper briefly describes the core concepts, architecture and asynchronous interaction mechanism of Ajax mode. Through the design and development of an online bookstore instance based on Ajax mode, it reflects its framework structure in asynchronous interactive Web environment, logical organization and the improvement of network Bandwidth, optimize the user experience compared to the traditional Web model, many of the advantages.