| With the development and advancement of technology companies, the original large power customers prepaid system cannot meet the requirements of the rapid development of power companies. The original pre-paid system replacement is imminent. Large power customers prepaid system migration involves the construction of a large base files, compare, file synchronization, account reconciliation and carried forward, software development and implementation, and ultimately pre-paid data acquisition system remotely issued in the run course, you also need to provide strong technical support and after-sales service, which requires developers to have a strong technical force and operation and maintenance capabilities to ensure pre-paid system construction project completed successfully. After years of marketing work to promote information technology, Chengdu Power Company has completed the construction of information collection system, but the system is still in use prepaid electricity sales mode IC card, and because manufacturers are not unified version, each of the manufacturers use different IC cards, to Chengdu, the power company management has brought some difficulties, the previous construction, application model has been unable to meet the urgent needs of the company.This thesis describes the system technical architecture selection, technical characteristics and the power company in Chengdu large power customers prepaid system design and system security design for the power company in Chengdu large power customers prepaid system design and development foundation. In this thesis, the power company power company in Chengdu large power customers pre-paid system development process of a detailed design and description. Firstly, with ASP technology platform based on B/S architecture, combined with data warehousing and data mining technology, power-assisted marketing from the actual demand for electric power company in Chengdu large customer business processes prepaid system has combed and optimization, from business situation, design principles, functional analysis and other aspects of the system clearly needs. Secondly, the overall function of the system database and a detailed design and system-related modules were implemented and tested. In fact the line running through the topics designed by the power company in Chengdu large power customers pre-paid electricity system is fully able to meet the current needs of the company. |