Sichuan Judicial Police Vocational College Computer Culture Basis Course Online Examination System

Internet changes our learning styles. Even the Learning, it steps into beingelectronic and long-distance. For the exam, as an important way of checking learningeffects, is also facing the change to paperless and networking. With the pen and paperbeen replaced by computer and the classroom replaced by network in the test, thecontent, method and form of test have changed profoundly.Using JSP,AJAX technology and SQL, with the idea of software engineering andmethod of object-oriented, this thesis studies and develops online examination platformguided by the ideology of three-layers architecture.At first the thesis introduces the background of developing online examinationsystem for computer literacy in Sichuan Judicial and Police Officers ProfessionalCollege, analyzes the feasibility of technology and operation.Then it expounds thedeveloping platform, ASP dynamic webpages technology, AJAX technology and database. Again, it analyzes the factual testing situation of the platform, timing functionaiming at all kinds of possible situations in the exam, dealing with accidental quittingthe exam, algorithm, user function interface, data base. Aiming at the analyzing result,then it studies the architecture of the platform, and determines the system’s function andcomponents. that is the exam takers log into the system, take the exams and view results;the administrators log in to set examination types, input of examination paper bank. Andit studies question types, answer designing and coding. Its designs topic selectionstrategy and algorithm. It analyzes how to design and realize the exam takers,administrator of the data base, the question bank and various question types. And itstudies how to realize coding of the platform, and emphasizes coding in the process ofexam takers’ logging in, paper generation, grading, and administrator’s management.And it discusses the role, contents and methods of the testing by the platform, especiallythe contents of system safety, including authentication, SQL administrator account, thesafety of server system. At last it sums up the whole thesis.The exam system has been introduced into exam of computer course in SichuanJudicial and Police Officers Professional College. The system works stable and can meet the needs of requirement.