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Research and Practice of Real-Time Data Monitoring System Based on Web

HE Chao-bo1,CHEN Qi-mai2(1.Department of Computer Science and Engineering,Zhongkai University of Agriculture and Engineering,Guangzhou 510225,China;2.Department of Computer,South China Normal University,Guangzhou 510631,China)  
Various kinds of industry production monitoring systems have the requirements of strong real-time,no limitation of accessing region and convenient maintenance.Therefore one design scheme of real-time data monitoring system based on Web was put forward,whose core technologies were Ajax and SVG.The scheme applied DWR,which was the open source framework supporting Ajax,to increase the speed of acquiring real-time monitoring data.By using the SVG,which had the ability of supporting dynamic graphic display and interaction with users,some key problems were solved,such as displaying the curve of real-time monitoring data change tendency,acquiring the data value by clicking the data point and playbacking the history monitoring graphic.The application results of metal corrosion monitoring system based on this scheme showed that the scheme could improve the real-time and flexibility of real-time monitoring systems based on Web.
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