试卷组题与实现,基于试题库的试卷组题与实现-First, it Explains the design for the database structure, then introduces the detailed one to the realization of each main module among them. It can automatically find and organize a certain number of test questions in various types with different degrees of difficulty in certain scope in the database to form a reasonable test paper. What it adopt is to make use of to try a characteristic value of winding, recording the customer to provide of try a topic type, chapter to distribute, difficult easy degree etc. condition, adoption random calculate way, ask for help from a series of data document within system, make the related data dynamic state ground of the concrete course abstract the logic data, resolve the in general use problem in order to, line program a stipulation of to satisfy of, try book reasonablely.