kvc on adolsai's echohttps://adolsai.com/tag/kvc/Recent content in kvc on adolsai's echoHugozh-CNWed, 02 Sep 2015 14:53:19 +0800Key Value Coding and Key Value Observinghttps://adolsai.com/archives/Key-Value-Coding-and-Key-Value-Observing.htmlThu, 23 Jul 2015 15:26:00 +0800https://adolsai.com/archives/Key-Value-Coding-and-Key-Value-Observing.html<h1 id="key-value-coding">Key Value Coding<sup id="fnref:1"><a href="#fn:1" class="footnote-ref" role="doc-noteref">1</a></sup></h1> <h2 id="简介">简介</h2> <p>**KVC(Key-value coding)**是一套利用字符串标识符间接访问对象属性和关系的机制,由<a href="https://developer.apple.com/library/mac/documentation/Cocoa/Reference/Foundation/Protocols/NSKeyValueCoding_Protocol/index.html"><code>NSKeyValueCoding informal protocal</code></a>定义。</p>