Research And Implementation Of Online Shopping Platform Based On The Structure Of The Three-tier

In 2007, Chinese web shopping market is warmly concerned. More and more enterprises join in web shopping industry especially quantities of traditional retails that join in B2C electronic commerce. But nowadays most medium-sized enterprises have a week foundation of information and haven't utility system of electronic commerce.On a basis of this tendency, the thesis provides a resolving case which could help medium-sized enterprises set up their own electronic commerce websites fast. This solving case provides system development measures, three layer architecture and key technology of system realization. It provides enterprises with a loose couplings system platform by taking business processes as a medial layer and taking encapsulation with com subassemblies to adjust to the demand of extending and changing.The thesis starts with a expounding of definition and specialties of electronic commerce and later expounds constitutes, layout and the safety problem. It comprehensively studies some relative technologies about current commercial website's development.According to the commonness of commercial system, the thesis proposes a "reusability" developing measure combined to System Development Life Cycle, prototyping Model and Object-Oriented Methods. Analyses the MVC pattern and the N-layer pattern which are suitable for the development of dynamic WEB and expounds their idea, characteristics and advantages. With these analyses, the thesis makes architecture design. The system is made of interface layer, commerce logic layer and data access layer. And commerce logic layer is divided into three layers of data processing, operation and entity region. The data processing layer uses storage process design. On the basis of requirements analyses and functions analyses, this thesis makes the operation logic design and the database design. In the part of system realization, the paper introduces the developing environment and especially expounds the essential technology of system realization.