It is backwardness for the Most Enterprise that application about computer, There is not exist electronic commerce system, Or some enterprise have MIS system but can't work well with other. To solve the problem that enterprise is scarcity of electronic commerce system. We make use of COM,XML,its related standards and technologies, produce the Universal Electronic Commerce Platform. It provides enterprise an economical, compatible, extensible and secure system to develop electronic commerce with other enterprise. At last we implement a demonstration system which uses the Web service to produce , send, receive, process and acknowledge purchase orders between two enterprises. The system has been used on some companies with good performance.At the same time, The application of object-oriented methodology and agile method in software development has also been use. We summarize the experience in the course of work.
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