面向对象 设计模式 系统设计
要做一个模具管理系统。希望能用面向对象的方式，融合一些模式的设计理念把它做出来。
主要是为了实践面向对象设计模式。
《面向对象模式设计与实践》断断续续看了快两遍了。要实战的时候一点儿头绪都没有啊。脑子里面一片空白，思前想后只能想到要弄个“模具”类。
求思路啊！！！！！！
回复讨论(解决方案)
不要为“面向对象”而面向对象
不要硬性套用“设计模式”
看了快两遍了，可以了又映象就可以了
关键在于你的“模具”类打算干什么
首先想下怎么架构吧。
设计模式不是凭空出来的，而是好根据具体的实体来设计规划的，所以你首先要分析你的系统都应该包含哪些实体。
按照你说的模具管理系统来说，你也说了肯定有“模具”这个实体，肯定还有别的实体，例如
1、牵涉的具体人。谁管理？怎么管理？管理模具的什么？
2、模具的属性。模具与模具之间是否有差异？模具的内容组成是否都是文字？除了文字以外是否有多媒体？
3、模具内容的呈现。列表？图示？
等等
有了这些实体的支撑，你才能决定哪些实体可以封装成对象，而哪些对象之间的关系可以通过设计模式来实现。
先需求分析。是进销存吗？
先需求分析。是进销存吗？
是进销存
模型里面的重点就是“模具”类了。建立数据库，按照MVC做就是了。
模型里面的重点就是“模具”类了。建立数据库，按照MVC做就是了。
额。。。。。。。。。。。。。。
不要为“面向对象”而面向对象
不要硬性套用“设计模式”
看了快两遍了，可以了又映象就可以了
关键在于你的“模具”类打算干什么
现在明确一些了。至少有工厂，模具两个类。系统的主要功能是跟踪模具。从工厂买入模具开始，模具可能出现维修/借入/借出/调入/调出/报废等状况。这些状况出现的时候相应地会涉及到入库/出库。
接下来该做什么分析或者说怎么建模呢？
做面向对象一般是两种情况
1.有一套完整的规划，整站的流程和模块都清晰，然后再OO
2.先按面向过程写程序，把重用的代码块抽出来，把这些代码块组织成类/对象，控制参数变化，逐步实现OO
1是抽象思维，从无形到有形，需要大局观，需要网站分析能力
2是形象思维，从有形到无形，需要观察力，需要归类总结能力
如果你熟悉一个实业的流程，建议用方法2
如果你熟悉一个实业的架构，建议用方法1
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