基于SVG的实时数据发布研究与实现
SVG是一种基于XML的文本化矢量图形描述语言。本文将SVG与Ajax、web服务等技术相结合，研究了基于SVG的实时数据发布技术。以Ajax为整体系统的控制中心，PHP为服务器端脚本，JavaScript为客户端脚本，实现了实时数据动态发布请求和SVG刷新的异步操作，并对其中的关键技术及解决方案进行了详细的剖析，证明了基于SVG的实时数据发布模型具有网络数据额流量少、web服务器负荷低、页面更新无闪烁等优点。同时，使用PHP脚本语言实现的实时数据接口经过简单的封装，即可对外提供web实时数据服务。
关键词：SVG；Ajax；实时数据；web服务
Research and Implementation of SVG-Based Real-Time Data Publishing
Abstract: SVG is an XML-based way of text-based vector graphics description language. Based on the integration technology of SVG and Ajax components and web services, the paper study the real-time data publishing based on the SVG technology. To Ajax for the overall system control center, PHP for server-side scripting, JavaScript for the client-side script, the real-time data requests and SVG refresh dynamic publishing asynchronous operation are realized, and detail analysis of some of the key technologies and solutions are made, and the results of SVG-based real-time data distribution network data model has a less amount of traffic, web server load is low, the page updates without blinking and so on are proved. Meanwhile, the use of PHP scripting language to achieve real-time data interface through a simple package, web data services can be provided.
Keywords: SVG ; Ajax ; real-time data ; web services
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