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在线英语自学系统——知识库管理的设计-论文和程序及源代码 - 2 文件数, 0 目录数.
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设计
摘 要
随着网络的飞速发展,社会生活节奏的加快,传统的教学方式已越来越不能满足现今人才多方面的需求,鉴于此种发展状况,在线自学系统应运而生。在线自学系统的产生既可补充和完善传统的教学模式,促使人们更方便及时的接受教育,同时又丰富和完善了人们的学习需求。在线英语自学系统提供了丰富的英语学习资源,用户可以根据自己的情况进行知识的自学自测,方便的进行自学。而在此系统中,知识库的管理具有非常重要的作用,知识库的好坏直接关系整个系统是否具备科学性和有效性,因此,在线英语自学系统之知识库管理的设计和实现是非常必要的。
此系统开发采用B/S模式,实现了对英语课文、词汇、单选题以及阅读习题的添加、删除、编辑、更新、查询等功能,并能在不同的权限下实现不同的功能操作,在登录注册模块中,添加了验证码功能增强了安全性。在设计中,考虑到系统的实用性、有效性和可维护性,特在编程中运用三层体系结构编程方式来实现功能的设计,减少了代码重复,使系统便于维护和管理,并且提供接口进行进一步的扩展。
本论文共六章,分别为:第一章,引言;第二章,理论基础;第三章,系统需求分析;第四章,系统设计;第五章,系统功能模块;第六章,系统测试。
关键词:知识库管理;在线自学;B/S;验证码;三层体系结构;安全
English Online Self-learning System--the Design of Knowledge Repository
Abstract
With the rapid development of network and the Social life's pace, traditional teaching methods have become unable to meet the current needs of many talents. In the light of such development, online self-learning system has arisen. Online self-learning system will not only supplement the traditional modes of teaching and promote people to receive education more conveniently and timely, but also enrich and improve the need of people's learning. English online self-learning system provided a wealth of learning resources. Users can study and test on theirs own according to self-condition expediently .In this system, the knowledge base management plays a very important role. Knowledge Base has directly influenced the study and the security of the whole system, therefore, the online self-learning English Knowledge Base Management System Design and Implementation is very necessary.
The system used B/S development model, which has realized the functions to add, delete, edit, update, search on English text, vocabulary, and the assigned reading Exercise, etc. And in a variety of powers under different functions in Login Registration module, add a functional test code to enhance security. In the design, it is taking into account the practicality, effectiveness and simplicity. It uses special programming in the three-tier architecture application programming method to achieve functional design, reducing code duplication, making the system easy to maintain and management, and to provide an interface for further expansion.
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