The Study And Application Of Web Services-based E-commerce

Web Services including the protocols and standards are a new distributed scheme. The goal of Web Services is to provide a common technology layer, which is independent upon languages and platforms. The applications of different platforms need this technology layer to connect and integrate with each other. Nowadays there are many issues in the development of e-commerce such as the business flows change frequently, it is difficult to collect, summarize, integrate and transmit information among different systems on enterprise platforms, and so on. Web Services are a better way to solve these issues and suitable for dynamic e-commerce because they have open standard protocols, high ability to integrate, looser coupling, and good packing. Whereas the advantages of Web Service and the issues of e-commerce, in this dissertation it is focused to construct a e-commerce platform which can share and integrate business information among the enterprises, be constructed easily and dynamically, and be highly interoperable and reusable. The Web Services and other new technology and ideas on information security are introduced into the study and application of Web Services and e-commerce. First, the architecture and the technologies of Web Services are introduced, including the e-business history presented briefly; it is pointed that the dynamic e-commerce is a trend of e-commerce, and Web Services are key technologies for it. The conception, features, key technologies and architecture of Web Services are fingered thoroughly. Then the requirement of e-commerce integrated with enterprise legacy applications is analyzed. Secondly, the requirement of e-commerce integrated with enterprise applications is analyzed and the issues of the conventional e-commerce solutions are discussed. After that a solution based on Web Services is put forward, furthermore a software development method of e-commerce system based on Web Services is also discussed, in which the partition and design of Web Service are illustrated emphatically. Finally, with the demand of commerce enterprise, the prototype of the e-commerce's platform is designed and implemented. Additionally, according to the standard requirement of WS-Security, some security of Web Services is analyzed in detail, and the security model of Web Service is also designed and implemented with soap header.