The Research And Implementation Of Police Mobile System Based On Component

Component-Based Software Development, so called CBSD, is the much more advanced development technology currently, has already brought new prospect to the software industry. As one important part of the Gold Shield Project of police department, the construction of police mobile system exited some problems lie in two aspects, which were service expansion and system promotion. Therefore, we used CBSD to improve the current system construction situation.Through analyzing the existed problems in police mobile system of Henan province, this article proposed a design scheme of police mobile system based on component, using the thought of CBSD, according to the service demand of police department.This article proposed the police mobile system design based on component of client and server separately. The component repository of system is made up of components what were abstracted from the modules with similar function. The interactive interface and logical relationship of components are described by XML.As for the design of client, it abstracted a set of interface components and component for dealing with the Events for the police system specially. According to the attribute of component configuration document, police information is displayed by calling the components from interface component repository and driving component of Event handling.As for the design of server, it abstracted a set of service components for the police system specially. The certain handling of operation is accomplished by calling the service components by engine of service dispatching.The improved police mobile system is promoted in several aspects such as transparency, flexibility, effectiveness and extension ability, which make the users much more convenient.