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The Design and Implementation of the Web of Programming Software (Java Direction)

Author: ShaJiDong
Tutor: ZhangJiaChen
School: Jilin University
Course: Software Engineering
Keywords: ASP .NET Database Module Development
CLC: TP393.092
Type: Master's thesis
Year: 2008
Downloads: 189
Quote: 1
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Abstract


With the depth of the reform of vocational education,quality vocational courses have into an important part of education reform.With the development of computer network technique and network education,quality courses will be networked to share resources is particularly important.It is the system in order to achieve the objectives.The present system uses B/S structure,according to the National Vocational Course requirements of building a more reasonable structure design.The system log is divided into modules,test module library and information module and other modules.The system described in-depth class quality "programming software(java direction)," the front-line system design and back-office management of the design and development and practical application of one of the key algorithm to do some research.The system can meet the basic quality of the course requirements of conventional construction.First of all,the thesis gives a brief outline of the overall demand,the operating principle and the system composition and the thesis has introduced the implementation approach of the important modules in the system in detail.(1) Utilizing software engineering it has analyzed the on-line testing system,the synthetic demand of the system and the data demand of the system.In the synthetic system demand it has analyzed function,performance and operation; in the data demand of the system it has analyzed the data flow graph on the main function in the system.(2) The system has used three layers of the system structures:the consumer layer, the operation logic layer and the data layer.Among these layers the consumer layer is responsible for the manage of input and output but this layer is not responsible for interpretation of the definition;the operation logic layer is the bridge of the upper layer and under layer and it has established actual database connection.Then according to the consumers’ requirement it has generated the SQL sentence search or refreshed database and returned the results to the consumer termination;the data layer is responsible for the data storage and search.(3) The whole testing system has decomposed into three different modules according to the overall demand of the system and consumer categories of the system:the manager module,the teacher module and students module.The manager module is in charge of the system management,consumer management and news management;the teacher module is mainly taking in charge of the courses management,testing management, test questions management,test paper management and achievement management;the students module is responsible for the on-line tests,achievement inquiry and browsing the information.According to the three different module matches the system has been divided into some subsystems and detailed the test questions subsystem,on-line testing subsystem and achievement management subsystem as well as the particular realization process.Secondly,the thesis analyzes three key issues which should be solved first in order to realize the on-line testing:(1) bringing forward seven constraint conditions which influence the quality of testing organization.According to constraint degree,these constraint conditions are divided into the three categories of strong,gentle and weak,which should be treated separately in the process of the automatic testing organization so as to improve the efficiency of testing organization.(2) bringing forward one general algorithms with the aid of a set of random numbers with high performance in conformity to the random principle in the process of the formation of test papers that the formed test questions should be sampled at random under certain conditions and avoid some human factors.(3) Introducing the adjoining concept in the fuzzy theory in allusion to the evaluation of the subjective questions to realize the test evaluation method in which the parameters are dynamic and adjustable and the keywords match is significant and the adjoining match is secondary.Thirdly,the more easily the consumers obtain the information by the access to the network,the harder to protect the safety of the information.The system should ensure the safe access to the resources for the consumer and prevent the illegal inbreak and attack by the illegal visitor so integrating this system the thesis has presented seven aspects of safe information:the collocation safety,the code safety of the system administrator,the identity and identification of the consumers,the page identity and identification,the test safety,the database purview management and the system optimization.At the same time it has given a detailed analysis and solution as to the system safety.Finally,to take the computer culture base as an example,constructing the database and achieving the design of the on-line testing system which has the generality and can be easily used in other courses.Since the system has been put into operation,running in good condition,"software programming(java direction) "courses have access to quality courses at the provincial level and national-level quality courses.

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