﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>C++博客- 攀升·Uranus-随笔分类-面向对象UML</title><link>http://www.cppblog.com/iuranus/category/4278.html</link><description>&lt;br&gt;&lt;font color="#ADFF2F"&gt;Something Different，Something New&lt;/font&gt;</description><language>zh-cn</language><lastBuildDate>Wed, 21 May 2008 03:50:10 GMT</lastBuildDate><pubDate>Wed, 21 May 2008 03:50:10 GMT</pubDate><ttl>60</ttl><item><title>类图--关联</title><link>http://www.cppblog.com/iuranus/archive/2007/01/08/17443.html</link><dc:creator>攀升</dc:creator><author>攀升</author><pubDate>Mon, 08 Jan 2007 13:17:00 GMT</pubDate><guid>http://www.cppblog.com/iuranus/archive/2007/01/08/17443.html</guid><wfw:comment>http://www.cppblog.com/iuranus/comments/17443.html</wfw:comment><comments>http://www.cppblog.com/iuranus/archive/2007/01/08/17443.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.cppblog.com/iuranus/comments/commentRss/17443.html</wfw:commentRss><trackback:ping>http://www.cppblog.com/iuranus/services/trackbacks/17443.html</trackback:ping><description><![CDATA[&nbsp;&nbsp; &nbsp;<font size=2> 想成为一个优秀的软件设计师，UML是必备的一项技能，但我感觉国内对软件建模不是很重视，就从现在的高校老师和学生对它的重视程度来看，我国软件这几年想赶上几个强国还是很难。<br>&nbsp;&nbsp;&nbsp; 所以我不能忘记看这个呀，呵呵，今天我看了下类图中关联的相关知识，做个总结。<br>&nbsp;&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp; 关联，如图1-1，它是最基本的代表两个类存在关系。图1-2也是存在依赖的关联。<br><br>&nbsp;&nbsp;&nbsp; 聚合，图1-3，它是特殊的关联，球队是所有球员的集合，代表所有球员，但两个类之间没有&nbsp;&nbsp; 依赖关系，也叫引用聚合。<br><br>&nbsp;&nbsp;&nbsp; 组合，图1-4，它是特殊的聚合，每个类有生存期，类之间存在着依赖关系。<br>&nbsp;&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp; 生成 ，图1-5，也就是OOP中的继承，表示&#8220;是一个&#8221;的关系。<br>&nbsp; <br>&nbsp;&nbsp;<img src="http://uranus.javaeye.com/upload/picture/pic/1747/acccfda6-7aa6-414f-9bef-0a31fb0b2636.jpg"> &nbsp; <br></font><br>
<img src ="http://www.cppblog.com/iuranus/aggbug/17443.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cppblog.com/iuranus/" target="_blank">攀升</a> 2007-01-08 21:17 <a href="http://www.cppblog.com/iuranus/archive/2007/01/08/17443.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>