Swift 中使用KVO,KVC,以及@objc和dynamic 2020-04-22 本文已影响0人 MiniCoder https://blog.csdn.net/weixin_35755389/article/details/54176816 https://developer.apple.com/documentation/swift/using_objective-c_runtime_features_in_swift https://swiftunboxed.com/interop/objc-dynamic/
