> For the complete documentation index, see [llms.txt](https://clu.gitbook.io/design-pattern/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://clu.gitbook.io/design-pattern/factory.md).

# 2. Factory

Factory是design pattern裡最常聽到的物件生成模式, 這邊我會依照抽象程度由低到高介紹以下三種factory:

* **Simple Factory: 抽象程度最低**
* **Factory: 通常講的工廠模式**
* **Abstract Factory: 抽象程度較高**


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