http://martinfowler.com/articles/injection.html
http://www.jdon.com/AOPdesign/Ioc.htm
IOC模式簡介
http://www.jr163.org/cup2/48/48050.htm
http://dotnetfresh.cnblogs.com/archive/2006/07/12/181878.html
依賴倒置、控制反轉和依賴注入辨析
http://www.contextfree.net/wangyw/source/dip_ioc.html
控制反轉（Inversion of Control）介紹
http://www.ourexam.com/Article/sun/other/200505/24226.html