Web B2b E-commerce Platform-based Design And Realization

it is playing a very important effect that the electronic Commerce is in the modern business pattern. For contacting with international integrating business process and giving full play to group-purchase, as the mainstay enterprise in the energy field, PetroChina company Ltd. developed a large-scale B2B electric business network that been based on web, built a visual commerce environment that relate to buyer and supplier, it is a typical example that build a B2B E-business platform. In the thesis I have a detailed discuss about the developing process that apply the Object-Oriented analysis and design method, and discourse the question that been met in the process of developing the system based on EJB technology. Such as: tight coupling, which leads to direct dependence between clients and business objects; too many method invocations between client and server, leading to network performance problems, to the above problems, this paper proposes the three-tier application model based on EJB, and its implementation method is also discussed, at last,we summarize the process of developing ,it is thought as a typical use of J2EE architecture to make up the E-business platform. And we obtain the experience in the course of work.