通过适配器可以在ExtJs中轻松的集成D3的展示能力
http://video.sencha.com/watch/zvUjnFJ91xVvuwdTh2zjqP?mkt_tok=eyJpIjoiWm1aaE1USmxNalZrWkRjeiIsInQiOiJjN0pTRHUrd2dWNjA3VVFDaitidTJ3QVd2NnJUMjk4SmF4SUlcL1BNbHdOcURNblViZVJNUTljakVvZGVpVXF3am1FQXlyWGthNmw5WXI3aVRFMFBTbTZhWmZ2eCtPOFBnaWlyZWZ5UGlTTDg9In0%3D
D3 & Data Visualization in Ext JS
原文：http://www.cnblogs.com/boolean/p/5592712.html