Research And Implementation Of System Of Online Measurement Based On WEB

With the continuous development of education informatization,more and more people begin to participate in online learning. In the course of conducting online teaching evaluation is an indispensable part. How to organize a large-scale online exam effectively and obtain useful information and resources from a wide range of test data through some analysis techniques, so as to provide learners and teaching staff with scientific guidance, rapidly diagnose the present situation of learners and the teaching strategies of teaching activities to improve teaching efficiency have become urgent problems.However,with the rapid development of Internet technology and database technology, examination systems of network platform are numerous, but most of which are covered with broader business and have no perfect solution to educational examination. For example, the core points of the subject arrangement are not clear, the evaluation part is only the evaluation of basic results with a superficial evaluation level and the results of the feedback are difficult to give a clear and detailed guidance for learners; besides, as for the examination system developed by enterprises, although its function is relatively perfect, their own examination systems are developed by different standards, and the learning environment is not rather regular or difficult to be consistent. Therefore, the online learning effect is not that satisfying.According to above situation, this paper, on a basis of the existing examination systems, researches and develops a set of online evaluation system focused on knowledge points through design and analysis. This system has a complete processes of simulation examination and provide some deep and practical solution plans for diagnosis and analysis, which can help diagnose learning style and teaching strategies and provide teaching guidance. Focused on this requirement, this paper has done some researches and exploration as follows:(1) Theoretical analysis and technical support. First introduces some resources construction standards, and then summarizes the existing three mainstream test theories, summarizes the advantages and disadvantages of their application, determines the standards and the theoretical basis for the system; second analyzes current network data interactive model, the transmission model and some systems development model, to determine the technical support of the system.(2) The overall analysis and design of the system. Firstly, analyzing system objectives and requirements, clarifying the function of the system demand, putting forward the diagnostic analysis and module design idea; according to user requirements, put forward the technical index of the system, analyze the system’s business processes and data flows; Finally, a database design.(3) The system development and testing.Analysising test results,of knowledge management, question bank management, test paper management, realization idea of diagnosis and the reflection of student studying modules, illustrating the development process and the results of system.test.The feature of this thesis:(1)Function design:in this paper, the foothold lies in the complete process of mock exams, compared to other test system, this system increases the knowledge of management, in-depth evaluation functions have perfecting the network test process, to a greater degree,it has being saved the test cost, provided convenience for teaching activities.(2)Technology implementation:this system adopts the combination of the front frame and background frame,throughout the entire development process,it uses the MVC pattern. Front-end framework using ExtJs, namely the requests of the whole system uses the Ajax engine, which greatly improve the efficiency of the request and response speed and data transmission; Secondly, on designing, the interface of Extjs is relaxed, the layout can be presented with component, it helping improving efficiency of development. Background frame is the combination of Struts, Hibernate, Spring, it maximum help to save the amount of code, to improve the development efficiency, and offering a variety of security mechanism, makes the development of system is more stable and secure.