摘 要

任何作業(yè)都可以由教師布置作業(yè)、學(xué)生解答作業(yè)、學(xué)生對作業(yè)提出問題、教師解答相

關(guān)問題等部分構(gòu)成。四者涉及到試題、作業(yè)、答案、學(xué)生信息、等各個方面，傳統(tǒng)的作業(yè)

方式不僅耗費大量資源；而且極易浪費教師時間、難以快速對作業(yè)評分、有效備份作業(yè)和

影響工作效率。因此，急需開發(fā)相應(yīng)的計算機信息管理系統(tǒng)對這些資料進(jìn)行科學(xué)而高效的

管理。

采用關(guān)系數(shù)據(jù)庫、軟件工程和管理信息系統(tǒng)開發(fā)等技術(shù)，重點研究網(wǎng)上作業(yè)系統(tǒng)的需

求分析、概念模型、邏輯建模和物理結(jié)構(gòu)設(shè)計等方面的問題。通過深入調(diào)查和借鑒實際經(jīng)

驗，挖掘出“網(wǎng)上答疑” 、 “網(wǎng)上作業(yè)教師操作”和“網(wǎng)上作業(yè)學(xué)生操作”子系統(tǒng)在設(shè)計時

必需的大量而復(fù)雜的各種數(shù)據(jù)以及它們之間的關(guān)系，完成了系統(tǒng)的需求分析和概念模型設(shè)

計根據(jù)概念模型向邏輯模型轉(zhuǎn)換的規(guī)則完成系統(tǒng)的邏輯模型設(shè)計，最后根據(jù)所采用的關(guān)系

數(shù)據(jù)庫管理系統(tǒng)的特點，完成了物理結(jié)構(gòu)設(shè)計。本文的研究結(jié)論為網(wǎng)上作業(yè)系統(tǒng)的全面實

現(xiàn)奠定了堅實的理論基礎(chǔ)與實踐基礎(chǔ)。

采用 ASP.NET 語言實現(xiàn)了系統(tǒng)的“網(wǎng)上答疑”子系統(tǒng)、“網(wǎng)上作業(yè)教師操作”子系統(tǒng)

和“網(wǎng)上作業(yè)學(xué)生操作”子系統(tǒng)的開發(fā)，并用B/S模式在互聯(lián)網(wǎng)上實現(xiàn)。



關(guān)鍵詞：網(wǎng)上作業(yè)、網(wǎng)上答疑、B/S模式

Abstract

Every homework consists of assigning work, doing the work, asking questions and answering questions.

Include paper, homework, answer, information of the students, eg. The traditional way of finishing the task

not only consumes too much resources ,but also wastes teacher's time and it is difficult to give a point fast,

save the task efficient ,so , it will influent the efficiency of the work. S o that , it is instant to develop the

relative computer information management system in order to manage the information efficiently and

scientifically.

This paper mainly research the request analysis ,concept model , logic architecture and physical design of the

web task system with relation database, software project and information management system ,e.g. By deep

research and actual experience, the author find out much necessary complex data and the relation between

them as “web answer questions”, “web task teacher operation”,” web task student operation” system are

designed in order to finish the request analysis and design the concept model . Then, the logic model of the

system is designed in terms of the rules of transforming the concept model to logic model. Finally, the

physical architecture is finished in terms of the specialty of the relation database management system. The

conclusions of this paper lay the foundation of the realization of the web task system.

The author develops the "question and answer on the internet" sub system, “work operated by teachers on the

internet” sub system, and "work operated by students on the internet” sub system using the language

"AEP.NET”, and makes it work on the internet in B/S mode.

Keyword: work on the internet, question and answer on the internet, B/S mode



目 錄

摘 要............................................................................................................................................. I

1. 緒論............................................................................................................................................2

1.1 NHS研究的背景....................................................................................................................2

1.1.1 系統(tǒng)研究的背景............................................................................................................2

1.1.2 面向?qū)ο髷?shù)據(jù)庫系統(tǒng)....................................................................................................2

1.2 B/S體系結(jié)構(gòu)..........................................................................................................................3

1.3 本文的研究內(nèi)容與方法.......................................................................................................5

1.3.1 研究內(nèi)容........................................................................................................................5

1.3.2 研究方法........................................................................................................................5

1.4 研究的目的及意義...............................................................................................................5

2 NHS需求分析...................................................................................................................................................... 7

2.1 NHS系統(tǒng)的功能需求............................................................................................................7

2.2 NHS的性能需求..................................................................................................................12

2.3 NHS的運行需求...........................