| As the development of software technology, distributed component technology has become the hotpot. Since traditional distributed application software model (DCOM, CORBA and RMI) uses inherent model. The client accesses the services by the close coupling-distributed protocol. But the service's flexibility and capability of cross-operation are limited in the architectures. Web service can solve the problems as a new developing platform of distributed application software by the capability of cross-operation.Web Service provides distributed application platform based on open standards and specifications. Web Service is supported by XML, SOAP, WSDL and UDDI technology: XML provides a standard data exchanging format between various applications, SOAP takes charge of the calling of Web Service, WSDL gives us a formal description of Web Service, and UDDI introduces the ability to publish and discover Web Service. Web Service creates a kind of open distributed system that makes any enterprise and individual in any place can utilize Web Service and engage in various business activities. These characteristics make Web Services an ideal solution of enterprise application and integration.This thesis mainly discusses the basic concept of Web Services and technical specification systematically (XML, SOAP, WSDL and UDDI). Then introduces how to integrate J2EE and Web Service. A product management system is designed Based on the analyses. It uses JbuidlerX and weblogic to builder a J2EE system (RFID product System) implements web service. What's more, two enterprise application are simulated to publish web service of product query on UDDI so that the information can be found and integrated in the RFID system.The research indicates that web service technology provides excellent encapsulation and usability to the application base on J2EE, what'more it enforces reusability and extension of software. Web service will be more and more important during the development of the distributed technology. |
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