Design And Implementation For Henan Province Emergency Materials Early Warning System

Henan province is in the central plains of China. It has a complex terrain and alarge population. Unexpected events often happen in Henan province. In order toeffectively deal with all kinds of unexpected events, protect the lives and property ofthe people, Henan province need a emergency materials early warning system. Thesystem can realize scientific management of materials and it can give a effectivelywarning to the number of materials. It also can reduce storage costs of materials. Thusreach the goal of having maximum effectiveness with the least money.According to the emergency materials management status in Henan Province, thispaper does an analysis of weak links in management. It has constructed asix-dimensional warning thought based on information management such likeexponential smoothing prediction, area classified management and so on. This papergives a detailed introduction to the whole process of design and implementation forHenan province emergency materials early warning system, including the demandanalysis of system, the design of the system, the realization of the system, the test ofthe system and so on.The structure of Henan province emergency materials early warning system isB/S. According to the MVC designing ideas, This system uses SSH mainstreamdevelopment framework. It is divided into the data access layer, business logic layerand presentation layer. The presentation layer mainly uses EXTJS technology toachieve a simple and beautiful interface. The early warning information displayedon the map with the aid of Google Maps API. The business logic layer uses spring andstruts framework to build the high cohesion, low coupling business processingprogram. The data access layer uses hibernate framework realizes data persistence.The system uses Oracle database to store data. Oracle can ensure data security.In short, according to Henan province emergency materials business requirement,This pager designed and implemented a practical emergency materials early warningsystem. The system provides powerful guarantee to handle unexpected events.