# FBKVOController使用

简单来说，Facebook 开源的这套代码，主要是对我们经常使用的 KVO 机制进行了额外的一层封装。其中最亮眼的特色是提供了一个 block 回调让我们进行处理，避免 KVO 的相关代码四处散落 ,写了一个小 DEMO

[fb官网源码](https://github.com/facebook/KVOController) [DEMO 地址](https://github.com/jsonwang/FBKVOControllerDemo.git)


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