Research On Purchase Management System Of ERP Based On SOA

SOA, which will become the dominate thought of system design in the future, provides a strong loose coupling, interoperability, and upstanding scalability for the development of ERP system. Web Service is the realization of technology through SOA on the internet, and it solves a number of problems accruing in traditional distributed computation. SOA-based ERP purchasing management system not only can achieve the data exchange and share of different subsystem within the inter system, but also can carry out the seamless integration of operation process, with various different and heterogeneous systems represented and stored under one unified document. Therefore, ERP could further improve woke efficiency. The thesis aims to study and develop SOA-based ERP purchasing management system. The main research work is as follow:(1) Complete SOA-based Purchasing Management by means of JavaScript,AJAX,CSS+DIV,Flash,XML and C#, taking ASP.NET Framework 2.0 as the develop environment, and Microsoft SQL Server 2005 as database.(2) Design SOA-based solution of purchasing management system, structure and frame of system, analyze the logic relationship between purchasing management and other sub-systems of ERP, and design business processes, data flow diagram and the model of database, and design application and user interface programs, the peripheral system and LOGO, to achieve the interaction between human and computer.(3) Study the combination between SOA theory and Web service, mainly including the related conceptions and realization about SOA, the structure and constitution of Web service, and principles and mechanisms of BPEL.(4) The system uses standard data definition to achieve data sharing with other modules of ERP. And all the operation process maintains a unified data source to ensure the accuracy and completeness of data. The open-structured system meets the need to the change of enterprise, and the SOA-based management makes the follow-up maintenance and adjustment more convenience by the loosely coupled technology.(5) SOA-based ERP system is so convenient and fast that one can operate the entire enterprise at home, and can operate across platform and boundary with unified and friendly user interface. The operation of whole system can be achieved by means of network access server, without occupying resource.