Examination is an important way to test student knowledge level and it is also an important part of testing teaching. The information age today, everything around us developed fast, the test model is no exception. Traditional examination means spend a lot of time, manpower, and subject to many objective constraints, in a computer-related technologies developed today, Web-based online examination system gradually began to appear in people’s eyes, developed in a fast speed, and has a tendency to gradually replaced the traditional exams. This project according to the user’s needs, study and realize an online test management platform, its main features are: user login, system administration, database management, intelligently composed paper. This paper reviews the structure of the platform, database design, each module and main algorithm design and implementation process is described in detail, and the related results are given.In the online examination system, the issue of most concern is that the exam system this the "quality", which is an important criterion for evaluating whether an algorithm test platform excellent. In this paper, traditional composed paper algorithm, namely genetic algorithms, in the implementation process, on the premise of generating success rates and efficiency can’t meet the needs of users, the original genetic algorithm was improved, which improves efficiency of algorithm and successful rates of composing paper. In the design of intelligent test paper composition function, we set three ways to program, points percentage, distribution of knowledge in the topic, artificial selection, the first two kinds of method for intelligent auto-generating test, third way as a supplement.The design and implementation of online examination management platform, can manage different courses, knowledge, types of questions, and automatically composes the paper according to different requirements of examiners and after the students finished the test paper, scoring. In addition, after the students finish the test, teachers and administrators can also use the student’s performance, error analysis of the distribution of the overall situation of the exam and is conducive to the rational arrangement of teaching. After the test, this test platform functions work well. |