chuanyituoku的专栏

曾见过一道面试题，KVC 和 KVO的区别 当时答案是太简单了，不做回答； 事实上我百度了好久都没有个像样的答案，这个定义绝对横扫！！！ 换工作时候看下，英文原句给面试官 ^ ^ The Objective-C key-value programming features are collectively referred to as key-value coding (KVC) and key-value observing (KVO).  Key-value

Key-Value Observing Key-value observing (KVO) is a mechanism that enables objects to be notified of changes to the properties of other objects. It is essentially an implementation of the observer

Using Key-Value Programming Now you will implement an example program that uses key-value programming to perform a variety of tasks. The program demonstrates the use of key-value coding and key-val