Analysis And Design Of Price Evaluation Service System For Old Motor Vehicles In Yunnan Province

In recent years, with the rapid growth of the national economy, the rapid increase in car ownership, the used car market has entered into a stage of rapid development. But now our used car industry on the old vehicle identification valuation lack of scientific, unified, rigorous assessment theory and methods is not conducive to long-term development of the industry, which greatly increased the difficulty of market regulation.Paper introduces the research background, Yunnan old vehicle price assessment services system, through the influence of the used car transaction price factor analysis, the technical condition of the used car classification scoring, the technical condition of the vehicle on the basis of the composite score using heavy replacement cost method to calculate the price of the used car transactions. On this basis, the proposed design of Yunnan old vehicle price assessment services systems. In this article, the used car price assessment services system using object-oriented thinking, using UML Unified Modeling tool management system functionality and business needs analyzes, the overall design of the system and module design, including system management, basic data management, assessment management, reporting, management modules, gives a modular design package diagram, class diagram, sequence diagram, elaborated design content and uses a database table structure ER diagram and detailed design of the database; paper concludes analysis of the lack of research and noted that the direction of its future development and the work needs further study.