| With the rapid development of Internet technology today, Electronic Commerce (EC) quickly grows up. Enterprises only have their own business system, is unable to meet the rapidly changing business needs, which bring by corporate merger, acquisition and fierce competition. Enterprises must be able to face to the market quickly, Find a better approach of information systems integration, so that suppliers and partners are more effective collaboration through the network. 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. Web services technology is used in e-commerce can be good to meet these needs.After analyzing the traditional application technologies in E-commerce, this paper researches an E-commerce model based on web services, and discusses the related technical theory of web services, Aimed at the key problems of this model-data integration and message exchange, researches and designs an approach of data integration based on web services and SOAP-based messaging mechanism. Finally, makes an example of online product sales business system, and combines the model given in this paper, applicant web services technology we achieved real-time information query of commodities. Through SOAP API integrated Amazon E-Commerce services, application of Web Service technology in E-commerce is realized. |