| Each year, many new students enrolled in Colleges and universities. There is very big difference between the student's computer technical ability. The teacher can not raise study effect of student through the traditional operation or testing of students to improve learning results because of Tight time. so the public computer-based teaching is very difficult. The traditional way of teaching the basis of the public can no longer meet the modern study of university students. Network-realization and intellectualized teaching lightens amount of teacher's work. Therefore, various colleges and universities develop the project about . Network-realization and intellectualized teaching"based on multimedia technology and network technology Teaching Reform and Practice" is one of The Jilin University's projects about the educational reform construction in the new century, that is launched under above-mentioned background. The author is in charge of a part of work that making C program language online testing system.The C language online test system occupy the main role in network-teaching, that is the self-testing of a student to know the effect of learning. By comparing a variety of domestic and foreign examination system, author found that most of the examination system is built on the B/S (Browser/Server) structure, C/S (client/server) or three-tier model of the structure of the browser / server structure And sum up its characteristics are as follows:1. A single B / S structure, test-rich interface, user-friendly; students do not need to install client terminals, terminal testing only general support for the browser to enter the test. However, such a test on the structure of the weak control of the terminal, the fairness of the testing and safety is not high, does not apply to more formal testing.2. Single C / S structure, strong control of the test, students easy to use. Problems for the services side of the terminal and the candidates more difficult to maintain, upgrade the system more difficult.3. To adopt three-tier model of the browser / server structure of the component technology and systems in accordance with the needs of the candidates, without prejudice to the operation carried out under the existing module changes and upgrades, the test system to adapt to constantly update and re-engineering of change Testing rules.4. In the three-tier model of the browser / server structure to make full use of a number of server-side technologies such as ASP.NET-based components developed under the OLE technology, can fully save server resources to enhance the test page WEB server and database server features interactive performance, Speed up the testing of client server processing time.The C language online test system uses three patterns the browser/server patterns. The system using the ASP.NET dynamic homepage technology, uses the existing C language question bank database, causes the Flash multimedia animation visit database using the XML data seamless connection, has realized the goal which finally the C language online test and grades.Uses Flash Player, XML and the .NET frame, this is the establishment next generation network application procedure is fastest, most quickly, maximum limit the save on investment and the most challenging method combination. By Flash Player, XML and the .NET constitution's technical frame contains 4 aspects in fact: Flash Player application environment, XML application environment, .NET application environment and these three application environment interconnection. The present paper establishment in the massive research and the practice foundation, after introducing .NET, XML and Flash Player application way elaborated with the example uses Flash Player, XML and the .NET frame constructs the network application procedure the process. Through system's realization, the author has the following work summary:1. Levels of the design, can reduced a part of the effects of changing to a small extent.2. as Web develops the platform take VisualStudio.NET, the operation is relatively simple, the visualization is strong, facilitates constructs the Web way test system's related page.3. uses XML to take the data relay, has the very strong probability and the compatibility. And realized in the use database data to produce the XML document the design.4. realizes in the test contact surface using Flash to be possible to have the rich man-machine interaction connection, draws close to the student.The author of the test system to build the proposed idea in theory and in practice has been tested and validated to run, but due to limited space and time is running out, this article is to build the necessary key technologies are described and the use of preliminary To achieve a test system for the construction and use of the main functions. The other article, making a number of issues of detail, such as the use of Flash technology to achieve dynamic interactive interfaces, and so on.The Jilin University in the new century education reform projects "based on multimedia technology and network technology Teaching Reform and Practice" has been the acceptance of experts. C language on-line test system stability, have been expected.Regarding this system, may have the following two development direction from now on:1. Subjects can be added to the database table, so that Flash applications can be generated through the table of the test subjects of different interface, making the test system as a universal test system.2. Flash is a multimedia application procedure, may increase the image, the sound, the video frequency element in the middle of the test question to realize the test topic multimedia, may realize the medicine, the fine arts, the vocal music, the film and television and so on to be unable only to use the discipline test system which the writing describes.Finally, because the author knowledge is limited, the shortcoming and is unavoidable wrongly, welcome fellow teachers and the reader wholeheartedly criticizes points out mistakes, promotes the author to progress unceasingly, here expresses the heartfelt gratitude. |
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