| Our country is striving to develop vocational education nowadays. This trend has increased in recent years so does the number of students. Therefore, it leads to the change of evaluate scale and pattern. Online testing system has many advantages. Firstly, it makes the test supervising process more convenient by saving manpower and material resources. Moreover, it provides more accurate data and analyzes more stringency comparing to old-style paper testing. The process becomes more concise and it can be managed in a more easy way. What’s more, the problem of cheating can be solved as well. All in all, this system saves lots of manpower and material resources and thus it’s more quick and convenient and economical friendly. This thesis focuses on the needs of teachers and students in the school of Sichuan Chemical Engineering Technical school, and analyzes the current research and application status of the existing online examination system, which combined the research and development capabilities of the school teaching staff, in designing and developing Sichuan chemical advanced technical school online examination system. The main contents of the article are as follows:1. According to the present developing situation which includes source of students, workload of teachers and development needs of the future needs of Sichuan Chemical Engineering Technical School, a network examination system is putting forward to analyze development situation of online testing at home and abroad. What’s more, it elaborates the utilization of online testing at colleges and universities.2. Based on the first part to analyze the characteristics of C/S and B/S software system and combining the function of our school online examination system, which has both theory test and practical operation. Moreover, it based on the capabilities of our teachers. We finally chose the three layer system structure of B/S and C/S mixed structure for Sichuan Chemical Engineering Technical School.3. What’s next, the paper introduces the online examination system requirements of Sichuan Chemical Engineering Technical School. Researching and analyzing the UML(Unified Modeling Language) method of software analysis. It combines the system to use the static model and dynamic model of online examination system in each function module. It uses UML package diagram, class diagram, flow chart, sequence diagram, state diagram and other graphics on the system function module in detailed designing.4. Using ASP.NET and C# programming tool, combined with SQL Server 2008 database code to achieve the application of the whole system, it indicates the feasibility and practicability of the system. And finally put this system into the test.The system has been tested and used to effectively avoid the shortcomings of the traditional concentrated examination. After the application, it found out the system saves a lot of manpower and material resources and it provides students a well fair test platform. |
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