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RIA环境下可离线Web技术的研究与实现
引用本文:程国雄,胡世清. RIA环境下可离线Web技术的研究与实现[J]. 计算机工程与科学, 2011, 33(1): 36-41. DOI: 10.3969/j.issn.1007130X.2011.
作者姓名:程国雄  胡世清
作者单位:深圳大学师范学院教育信息技术系,广东,深圳,518060
摘    要:为解决RIA环境下Web离线使用问题,提高Web系统的性能.在分析了独立存储(Isolated Storage)的特点的基础上,本文提出了在Web商务系统中独立存储的应用方案.并运用Isolated Storage APIs,设计实现了本地小型数据库管理组件,解决了本地数据存储问题;提出和实现了增量更新的数据同步工作引...

关 键 词:富互联网应用  离线Web  独立存储  本地数据库  数据同步  增量更新
收稿时间:2009-09-21
修稿时间:2010-01-05

Research and Implementation of Off-Line Web Technology in the RIA Environment
CHENG Guo-xiong,HU Shi-qing. Research and Implementation of Off-Line Web Technology in the RIA Environment[J]. Computer Engineering & Science, 2011, 33(1): 36-41. DOI: 10.3969/j.issn.1007130X.2011.
Authors:CHENG Guo-xiong  HU Shi-qing
Affiliation:(Department of Educational Technology,Normal School,Shenzhen University,Shenzhen 518060,China)
Abstract:To improve the Web system performance, Web which works under the offline state is studied. Based on the features of Isolated Storage, the solution of using the Isolated Storage in a Web commercial system is presented. A local small scale database management component is designed with the Isolated Storage APIs, and the management of the local data storage is solved. Meanwhile, the local data synchronized with the remote data is achieved based on the incremental updating of the data synchronization engine, which uses the TCP socket communications. The socket service is designed to achieve the client server time synchronization and push data to the client from the server. The experimental results show that, this system runs well in a low bandwidth or network fault state, and the reliability of the Web systems is improved.
Keywords:RIA  off line Web  Isolated Storage  local database  data synchronization  incremental update
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