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The Implementation of Modern Remote Education Based on Web

Author: FangHua
Tutor: JiangZhiQiang；DengChunYan
School: Jilin University
Course: Software Engineering
Keywords: Modern Distance Education Independent proposition Struts Browser / Server JSP
CLC: TP311.52
Type: Master's thesis
Year: 2011
Downloads: 67
Quote: 0
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Abstract


With the rapid development and popularization of Internet technology in the worldwide network of information resources are maturing, distance education has become a new education model, it broke through the limitations of the traditional education in educational resources and educational methods to achieve not time, space and geographical constraints, resources can be shared to reuse the basic requirements of the system interface open. Online education support platform design goal is the use of advanced network technology, according to the using different teaching mode, for the characteristics of different educational groups, flexible online education in various aspects of teaching, scalable, suitable for a variety of levels, a variety of objects and a variety of network environments, interactive teaching support environment. The division of the functional modules of the Web site is a Web site features concrete realization. Firstly, the functionality of the site's detailed decomposition, and its decomposed into two interconnected subsystems teachers and students, and the function of each subsystem are described in detail; then carried out a detailed examination modules for which design, including the algorithm to generate random question exam and achieve independent proposition development trends, and raised new questions based on the areas of management mechanisms, and give the detailed design and implementation of the module, and finally for the students, teachers, questions independent of the application and assessment of papers for the the analysis guidance of the preliminary analysis of the teaching and learning modules. Brower / Server model system uses a three-tier structure, the system server-side selection the Microsoft Windows2000 Advanced Server operating system, the Tomcat 5.0 as a Web server, Microsoft SQL Server2000 and the PostgreSQL (self proposition management module) as the database server using JSP technology as a dynamic Web technologies script, the user simply executed directly by the browser will be able to run the system is part of the module, you can dynamically generate Web pages and to combine the Javabean components completed background operation, the background database technology with a data source connection pool technology, to improve the database can be portability. The system in developing technically most prominent feature is the use of the MVC architecture of J2EE technology and Web applications classic, the most important innovations to improve the usual MVC framework, a framework based on Struts MVC framework, and preliminary analysis of the impact on the overall system performance of the architecture model, another mechanism proposed by district management questions, and the flexibility of using the map operation to control the area of ??use of the test questions. To ensure the safety of the site must be considered an important aspect of website construction. Therefore, how to take measures to ensure the safe operation of the site is also discussed in this article one aspect, the paper uses MD5 encryption strategy to achieve the security of the system.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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