The analysis and design of online examination system based on b/s

摘要

Nowadays, with the university expansion and the increase of students' number, traditional written examination model is still adopted by universities, colleges and social organizations. There exist many problems in written examinations, such as complex exam procedures and prone errors. With the rapid development of the era of computer application, network technology becomes more mature and improve examination quality, which facilitates students to participate in exams and feel the justice, notarization and openness. Therefore, the development of online examination system is necessary. According to the operation emphasis of online examination system, this paper will introduce functional requirements, use the diagram to express and describe through the case diagram. In the system design, this paper will elaborately design functional module by using package diagram, class diagram, sequence diagram and activity diagram and design entity class diagram adopted by database, E-R diagram and the database table structure. At last, this paper will conclude the work, point out the deficiency of the paper and make prospects for the further work.