Application J2ee Build Enterprise Systems In The Ejb Design And Implementation

With e-business grows swiftly and violently, every department in the commercial society needs the help of enterprise application system. For example, enterprises need on-line business, their e-business websites need on-line payment, balance, division sales and purchase, and for government departments, they invite and enter bids through network. So it' s predictable that the development of social economy will be so associated with enterprise application system.Now, in the development environment based on web, there are two kinds of technology system: Sun ONE (Open Net Environment) of Sun Corp and . Net of Microsoft Corp, of which Sun ONE is based on Java and it is more contented to the requirements for distribution, opening and unconcerned operating platform of intellectual internet web service. In the meanwhile, it is more mature and stable in security and component and it also has obtained the supports of IT giants, IBM/BEA/Oracle/Sybase, etc. As an open net environment, the system of Sun ONE has got favored by Open Sources community on network. So we can download and use free Java integrated development environment, Java database, codes and even application servers.My paper is combined with a system of division sales management of an enterprise. Within the standards of J2EE, I mainly discuss and studythe application of its core technology--EJB. My point is that thedesigning, development and management of EJB in the system. The study of my paper topic has some meaning to accelerate the information development of middle and small enterprises, develop the products which are owned by enterprises themselves and improve the whole level of enterprise application and software trade.