An On-line Data Service System Based On The Framework Of J2EE

With the coming of information economy,people have cognizanceof the essentiality of the information.Now,to provide informationconsultation services for users has been the necessary current of theWorld's leading news services'main business.In our country,by severalyears construction of information industry,the leading news serviceshave established the relative perfectly information base.But in ourcountry,the leading news services still have very large gaps andshortage on mainly abilities of technology,functions of the system andincrement information services.The leading news services in ourcountry can gather large numbers of exact and timely information fromthe world every day,which are enormous and complicated. But now westill can not take full advantage of the data,consequently the value ofthe information is depressed greatly.To enhance self core competitiveability and economic benefit,the news services must make the best ofthe info.Therefor,it's very essential and necessitous to build the onlinedata services system.The paper is for adapting the development of the informationservices and adopt the advanced extensible J2EE framework of theinformation industry which is powerful and for enterpriseapplication.The paper adopt J2EE development platform and advancedlarge-scale relation database Oracle 9i and design and complete the B/Sstructure online data services system which base on Struts pattern. Andthe system profoundly research and discuss the developmentenvironment and software technology.The paper systemically analyze the status and developmentforeground of the information industry in our country now.The paperintroduce the total analysis, design and concrete design scheme of thesystem,and detailedly introduce the J2EE framework.The paper discussthe key technology,such as EJB,JDBC,JSP/Servlets,and introduce theStruts pattern and XML. XML is main technology on dealing with data.