Application And Study Of Pivotal Techniques Of J2EE In Enterprise Management Information System

With rapid development of network application and incessant appearance of enterprise's operational pattern, information system supports not merely application among every departments in the intranet environment, the more importance is to realize the information alternation and resource share among enterprises. Furthermore, combination of legacy system, reliability of system interior transaction, security of data and expansibility of system should be considered when new type enterprise application system is constructed. How to construct high efficiency and security enterprise application system rapidly becomes the focus which IT industry concerns at large. Therefore, this paper analyses and does research on the current mainstream enterprise application platform-J2EE.Firstly, this paper looks back the phylogeny of enterprise application software architecture and analyses its actuality. And then introduces J2EE architecture and its enterprise application, moreover discusses the structure, type and invoking method of EJB which is the core component of J2EE. In the end, this paper analyses, designs and developments management information system of Xiamen Gangwan consulting and supervising company by J2EE architecture at high altitudes of combination of theory and practice.Chapter 1, Introduction, focuses on the research meaning and background of the paper.Chapter2, This chapter shows that with the development of enterprise application, the enterprise application structure is changed into multi-tier distributed structure.Chapter3, This chapter introduces J2EE structure. It explains the relations between component, container and service.Chapter4, This chapter introduces the core component of J2EE--EJB, and explains how to use EJB and structure of EJB.Chapter5, This chapter shows the management information system's function module, focuses on the analysis of salary module of human resources subsystem.IIChapter6, Based on the MVC pattern, this chapter shows that how to use the four-tier structure to realize the salary module of human resources subsystem, emphasizes how to develop Web Application in Jbuilder.Chapter7, This chapter summarizes the research work.