【作者】 张述嵩；

【导师】 王一平； 张永进；

【作者基本信息】 西安理工大学 ， 区域经济学， 2007， 硕士

【摘要】 信息时代的到来，人们对通信的移动性和信息的需求性急剧攀升。以现代通信技术和互联网技术相结合而形成的“移动互联网”技术应运而生，移动互联网的出现极大的改变了人们的生活。而WAP技术则为无线用户通过移动电话等微浏览器接入因特网，提供了更为便捷迅速的信息获取渠道。防汛决策指挥对信息的时效性要求非常高，全面、及时、准确的信息是防汛决策的基础。受现场办公条件的限制，防汛指挥工作人员难以通过Internet获取最新的防汛信息。结合防汛工作的特点和需求，本文设计和开发了基于WAP无线通信系统的信息化管理平台，提供信息的移动服务和主动的短信“推送”服务，保证信息的实时传送。本文先介绍了应用层协议WAP，它是无线应用协议的简称，是针对无线网络带宽窄，延时大等固有的特点而提出。它是一种应用协议，最大的特点是与底层的物理网络无关，可以运行于现有的移动通信网络。本文介绍了WAP协议的产生背景和WAP协议栈以及WAP的应用模型。接下来本文介绍了中间件的基本知识，介绍了数据集成中间件技术及其发展现状，在分析数据集成中间件技术的内在机制和体系结构基础上，利用已有的水利数据集成平台对实时水雨情无线服务平台基础数据部分涉及到的异构数据库进行了集成。最后本文结合WAP技术与数据集成中间件技术开发实现了陕西实时水雨情无线服务平台，该平台操作简便、信息表达清楚、界面友好。系统组织结构合理、内容全面，能有效地提高防汛信息的时效性，满足防汛业务的需要。同时也为其它水利应用构建无线平台提供了很好的参考和借鉴，具有很好的应用前景。更多还原

【Abstract】 With the development of the Internet and Information technology, we are expecting more from the wireless communication environment. Wireless Mobile Internet came out based on the wireless telecommunication and the Internet. One of the most outstanding protocols is WAP, which brought the wireless technology to another level. WAP helps the wireless users access to Internet through the mobile phone or other microbrowser, and provides the more convenient and rapid channel to acquire information.It requests extremely high efficiency of information for flood prevention decision-making. Comprehensive, timely and accurate information is the base of flood prevention decision-making. With the limitation of local environments, the flood prevention directors have difficulty in gaining the newest flood prevention information through Internet. Combined with the characteristics and demands of flood prevention, this thesis designs and develops the the real time processing wireless platform of water and rainfall information based on WAP wireless communication system, and provides the information mobile service and the initiative information "push" service, guarantee information real time transference.WAP stands for Wireless Application Protocol , which can accommodate the low-bandwidth constraints of a wireless-handheld network and the low speed constraints of handheld devices. The biggest advantage of WAP is that it has no direct relation with the lower physical level of the device. By providing interoperable optimizations specifications suitable to the wireless telecommunications environment. The WAP provide an environment that permits wireless devices to utilize existing Internet technologies. This paper intensively introduced the background of WAP protocol, the Protocol Stack, and the application models.This thesis focuses on studying the application of middleware theoretically and practically. In this dissertation, principles of middleware are introduced. Then three major object-oriented middleware technologies have been discussed. The paper concentrates on the middleware technology and the development of middleware. The architecture and their characteristics of three middlewares are carefully analyzed. Then based on the analysis of the middleware technology, this paper presents the system architecture of a platform middleware based on WAP Middleware Platform of Water and Rainfall Information and middleware model.At last, combined with WAP and middleware platform, we designs and develops the real time processing wireless platform of water and rainfall information. which has simple operation, clear information expression and friendly user interface. This wireless platform has reasonable organization structure and comprehensive content, can effectively enhance the efficiency of flood prevention information and satisfy the needs the flood prevention service. Therefore, this wireless platform provides good reference for other industries to build up wireless platform, and it has good application prospect.更多还原