Analysis And Design Of Dongguan City Police Criminal Case Information Management System

Information Management System of Public Security is an important part of modern public security. This essay, based on the practical situation of Dongguan Public Security Bureau, aims to studying the development of Information Management System of Public Security. Detailed analysis, design, implementation, testing and maintenance of the system will be presented in the essay by means of object oriented development method. This paper first introduces the background of Dongguan public security management system, outlines the problems to be solved, discusses the significance and importance of project and describes the system development method and related technology. Then the paper proposes the goal of the design, carries out a detailed demand analysis towards the system, including business requirements, functional requirements, the business flow diagrams with given system, use case diagrams and conceptual class diagrams, and gives a use case description. In terms of the system design, there are overall designs and modular designs, including function modules like out-stock and in-stock. It shows the structure drawings(package diagrams), class diagrams, sequence diagrams(collaboration diagrams) and process flow diagrams, gives details on design, designs the interface and database with the entity class diagram and database structure in detail. There is a summary about the contents of the study at the end of the paper, together with the main work of the author himself. In addition to that, the deficiencies of this paper are pointed out and the author gives his own outlook of the system implementation.