参考：
https://www.jianshu.com/p/3f2bcc588b44?utm_campaign=hugo&utm_medium=reader_share&utm_content=note&utm_source=qq
xcrun -sdk iphoneos clang -arch arm64 -rewrite-objc XXX.m文件路径
[super class]和[self class]
此文仅为鄙人学习笔记之用，朋友你来了，如有不明白或者建议又或者想给我指点一二，请私信我。liuw_flexi@163.com/QQ群:582039935.
我的gitHub: (学习代码都在gitHub)
https://github.com/nwgdegitHub/