http://limboy.me/ios/2015/09/27/ios-mvvm-without-reactivecocoa.html
根据limboy的文章写的小demo
http://limboy.me/ios/2015/09/27/ios-mvvm-without-reactivecocoa.html
Objective-C
http://limboy.me/ios/2015/09/27/ios-mvvm-without-reactivecocoa.html
根据limboy的文章写的小demo