📄 understand_uml_diagram_3.htm
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<DIV align=right><B><FONT size=5><SPAN class=title-1><FONT
color=#ff0000 size=2>ACCP4.0</FONT><FONT color=#333333 size=2> OLTL </FONT></SPAN></FONT></B></DIV></TD></TR></TBODY></TABLE></TD></TR>
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<td height=645 valign=top><div align="center"><B><font size=3><span class=title-3-1></span></font>
</B><font size=3><span class=title-3-1><B><strong>理解各种 UML 图</strong></B></span></font></div>
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<p align="justify" class="text">通过本节，极易理解描述考虑中的系统静态视图和动态视图的各种图。</p>
<p class="text"><strong>协作图 </strong></p>
<p align="justify" class="text">协作图是交互图，它强调发送和接收消息的对象的结构组织。并显示一组对象、这些对象间的链接以及由这些对象发送和接收的消息。这些对象一般是类的已命名或匿名实例，也可能表示其他事物（如协作、组件和节点）的实例。使用协作图可说明系统的动态视图。</p>
<p align="justify" class="text"><strong>对象图 </strong></p>
<p class="text">对象图显示一组对象及对象间的关系。使用对象图可说明数据结构和类图中具体实例的静态快照。对象图可解决系统的静态设计视图或静态过程视图，就像类图一样，但它是从实例或典型案例的角度出发。</p>
<p align="justify"> <span class="text"><strong>组件图 </strong></span></p>
<p align="justify" class="text">组件图显示了一组组件和组件间的关系。它用于说明系统视图的静态实现。组件图与类图关联，因为组件一般映射至一个或多个类或接口。</p>
<p class="text"><strong>部署图 </strong></p>
<p class="text">部署图显示了一组节点和节点间的关系。可以使用部署图说明体系结构的静态部署视图。部署图与组件图关联，因为节点一般包括一个或多个组件。</p>
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