| We are now in an information-explosion era,which puts forward a brandnew requirement on teaching reforms.The traditional teaching methods can no longer suit nowadays teaching content. In order to meet the needs for highly-qualified and creative personnel, we should create an atmosphere in which students can learn by themselves under the direction of their teachers. Now,teaching on the basis of Internet provides us with a practical solution to the problems of teaching reforms.Tri-browser/server mode,which consisits of a web browser as a window,a data server for storing information ,and a web server to connect them both,employed by the Intranet-based teaching aids takes the place of client/servermode.The thesis first analyzes in detail the mode, construction and security of Intranet.In order to provide a solution to the problem of the application and security of this system,we make the use of Intranet technology,and then take the advantages of campus net to organize teaching materials,which finally provide the teachers and students with a uniform window.Secondly,we also give a detailed analysis and comparison on the concepts, characterises, assistant circumstance and the workings of the technology used in visiting in web data under the present Internet system.Amony them,there are CGI,ISAPI,IDC,ASP,JAVA and PHP.During the process of design of this system, PHP is applied to the building of a powerful active web for the convinience of exchange between teachers and students.Thirdly,the overall designing method of this system,the choosing of platform, the function of the system, contraction of the network cite and the key technology of the realization of this system are all analysed in this thesis. Basides, we pay special attention to explaining the making of the active directory when first being visited , the realization of uploading teaching plans and visiting sub-sysems.Of course, we also make much imagination on further research in this field and the latest web technology.
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