Observer模式的研究与实现
首发时间:2004-07-05
摘要:随着软件产业的快速发展,一方面计算机软件技术快速普及,软件已经涉及到了诸多领域;一方面带来了软件开发模式的根本变革。从最初的软件作坊式开发到软件工程的诞生,直到近代的软件工程的发展,软件开发模式走过了曲折而又艰难的路程。设计模式理论的提出,对软件设计和开发者来说受益非浅。本文致力于说明Observer模式的原理。首先介绍了设计模式理论的相关内容和相关术语;分析了Observer模式的适用范围;重点阐述了Observer模式的原理,并且用delphi6.0实现了一个Observer模式的简单例子。
关键词: 设计模式 观察者模式 对象
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The Research and implementation of Observer Pattern
Abstract:Along with the development of software industry,Computer technology are prevalented quickly,Softwares are enter into varies domains,which bring essential change with patterns of software development.From the Software workshop at the beginning to the born of software engineer and the development of modern software engineer,To the Pattern of oftware development,It is a long and hard road.The theory of design pattern has taken more and more profits to the developer and designer of software.This dissertation Shows the principle of observer pattern.Firstly,This dissertation introduced some related knowledge and items about the theory of design pattern;Applicable scopes of observer pattern are analysed;The emphasis lies on the principle of observer pattern and illustated it with a simple example,which implemented in delphi6.
Keywords: Design Pattern,Observer Pattern,Object
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