Research And Development Of Mobile Web Services Based On J2ME

With the rapid development of communication and computer technology, the popularity of mobile communication equipment, and the enlargement of requirement for the application in the distributed network, it can't be satisfied with the people business even daily life that the business fair of traditional face-to-face and the operation model based on PC. Face to the problem, a new business operation model based on the mobile equipment is concerned with and developed rapidly. Operation anywhere can be realized for enterprise with mobile Web Service, which can promote the enterprise or personal efficiency. At the same time, the end-user can get the services of education, medical treatment, traffic, diet, business and amusement whenever possible.For their advantages, J2ME and Web Services are adopted in the research and development work of our mobile e-business system.(1) The M-Commerce platform is based on Web services, J2ME, XML message flow and SVG It supports the dynamic integration, is easy to expand, and can be accessed from different mobile devices, such as WAP browser, PDA, mobile device with J2ME, or web browser.(2) For a better explanation for the dynamic integrated mobile Web Services platform, the paper lays emphasis on introduction how to realize a mobile Web Services application on the base of two technologies integrate J2ME and Web Services technology t. J2ME technology is used to develop the mobile client that the three basic elements of mobile application development: UI, I/O, and network connection, and Web Services to achieve the communication between client and server.(3) This system includes three sub-modules that are a weather forecast service, a shopping car service and a displaying map service. Writer illustrated the implementation of the system in detail at the fifth chapter and sixth chapter after discussed the relative technologies. Writer introduced how to publish Web Services and how to develop the mobile client by J2ME by showing some exact code. The mobile client development includes applying thread, session maintenance and so on.