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Change the traditional exam-oriented phase of students in a blind , passive of the situation , advanced means to improve the candidate's interest and learning positive sexual interaction through the exchange , discussions on quickly master the basic exam content and related knowledge , and fully mobilize the initiative of students , the promotion of educational reform, to change the teaching philosophy , plays an important role in promoting . The paper briefly describes the purpose of the establishment of an open - examination-oriented system , meaning the use of the framework, as well as related technologies , including J2EE specification , Spring, Struts2 EXTJS- other frameworks , Web Service technology , XML storage mechanism and the associated DTD, Schema, XSLT, the XPath , DOM4J operating processing components ; summarizes the technical characteristics of the various parts of the application development platform . The combination of requirements analysis, functional partitioning and the overall design , the paper comprehensively discuss the function module exam management, self-service system , the technical points of the design of the application interface , class structure , dependencies , interactive sessions , XML mode . The thesis focuses on analysis based on the XML data store persistence layer to DomDao class encapsulates key , including graphics, images and other non-text files access and use the Web Service to exchange questions , using EXTJS build system page , as well as complete unit testing using JUnit framework implementation steps and methods . The paper concludes with a summary of the research work and further research prospects .
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