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]
原文：https://www.cnblogs.com/liuw-flexi/p/9361597.html
