2D Barcode相關源碼 (Object C)
http://www.opensourceforce.org/show/iphone-2d-barcode-reader
http://sourceforge.net/projects/barcode2d/
最新版，有iPhone源碼的2D Barcode應用
http://blog.csdn.net/linkai5696/archive/2011/03/30/6290001.aspx
http://wenku.baidu.com/view/ab0aff51f01dc281e53af0d1.html
