Research and application of distributing-type object technology

According to the research and application of distributed-type object technology based on J2EE,the road works gauge and payment system was designed and implemented. In the conrse of the implementation, the emphases of this article islaidon the design of the framework and the component of the system. The code of program is also presented in this article. According to the special case of payment system, the description methods of multilayer use case model and analysis model are presented.