Based On Research And Development Of Remote Examination System Of The Mvc Model

Distance testing system is an important part of distance education and a hot point in internet applications at present. However, many existing distance testing systems are difficult to be applied to formal test in large-scale, because they are lack of extensibility, flexibility and maintainability and can not satisfy the requirements of complex restrictive condition of generating test paper. In order to solve these problems, the design and implementation of a distance test system based on MVC design pattern are introduced in details in this paper. And some key technologies such as algorithm of generating test paper are analyzed and discussed.First, general analysis of the system is made in this paper, then the design objective and functional model are given. Based on the characteristics of system function, the system adopts the architecture combined B/S and C/S. During the development procedure, we adopt the MVC design patterns as design idea.Then, we analyze the algorithm of generating test paper. This algorithm is a hard point during the implementation of system and also a key point in this paper. Base on the analysis of the traditional generating paper algorithms and the feature of genetic algorithm, a generating test paper method based on improved genetic algorithm is designed. And the result is good. In chapter four, details about design and implementation of the system are presented, such as database design, main functional modules and so on. And MVC design pattern is used.The system shows higher requirement of security. Finally, based on the analysis of distance test system, a solution that can ensure security of the system is presented.The distance test system designed in this paper has many advantages of generality, good scalability, favorable security and maintainability. What is more, it generates the test paper quickly and can satisfy the requirements of complex restrictive condition of generating test paper.