This project forked from cimain/associatedobjectdemo
iOS开发·runtime原理与实践: 关联对象篇(Associated Object)(应用场景：为分类添加“属性”，为UI控件关联事件Block体)
iOS开发·runtime原理与实践: 关联对象篇(Associated Object)(应用场景：为分类添加“属性”，为UI控件关联事件Block体)
编程，只了解原理不行，必须实战才能知道应用场景。本系列尝试阐述runtime相关理论的同时介绍一些实战场景，而本文则是本系列的关联对象篇。本文中，第一节将介绍关联对象及如何关联对象，第二节将介绍关联对象最常用的一个实战场景：为分类添加属性，第三节将介绍关联对象另一个很重要的实战场景：为UI控件（比如，UIAlertView以及UIButton等等）关联事件Block体。
iOS开发·runtime原理与实践: 关联对象篇(Associated Object)(应用场景：为分类添加“属性”，为UI控件关联事件Block体)
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