iOS开发SDWebImage源码解析之SDWebImageManager的注解

最近看了两篇博客,写得很不错,关于SDWebImage源码解析之SDWebImageManager的注解:

1.http://www.jianshu.com/p/6ae6f99b6c4c

2.http://www.jianshu.com/p/0f9a7296f4c0