Enterprise Information System Designing Based On J2EE

With the development of science and technology, people realize more and more importance of information to our society, and the enterprises understand more importance to get information.The J2EE platform manages the infrastructure and supports the Web services to enable development of secure, robust and interoperable business applications. J2EE platform consist of a complete set of service,API and protocol, it offer functional support for multi-layer application on the base of Web.it include a complete set of technology,such as: JDBC(Java Database Connectivity),JNDI(Java Naming and Directory Interface),EJB(Enterprise JavaBeans),RMI(Remote Method Invocation),JavaIDL/CORBA,JSP(Java ServerPages),JavaServlets,JMS(Java Message Service).Applying J2EE technology to enterprise information system will make up for the shortage of traditional information system. In this article, the author sets up a new system on the basis of J2EE technology, which has follow characteristics compared with traditional system:●Compared to the Client/Server architecture in the traditional information system, the three-layer model is adopted in this system to separate the applicationservice from the data service, which makes developing a system and maintain it easier.●JDBC or Connection pool and JNDI technique is used as the way of reading data from database in Web, which resolves the problem of low efficiency in traditional information system if using CGI, or the problem of poor compatibility if using SAPI (Server Application Programming Interface).●the system has other advantages of J2EE technique, such as compatibility of different platform, the ability of reading distributed data and so on. In this article the author describes in detail analysis, designing and architecture of system. And the author shows the realization of system.