http://blog.lessfun.com/blog/2014/11/22/when-should-use-weakself-and-strongself-in-objc-block/
本文共 151 字，大约阅读时间需要 1 分钟。
http://blog.lessfun.com/blog/2014/11/22/when-should-use-weakself-and-strongself-in-objc-block/
转载于:https://www.cnblogs.com/streakingBird/p/4281553.html