静态库与框架

http://www.cocoachina.com/bbs/read.php?tid=39466

http://blog.csdn.net/steve1018/article/details/6902973

http://blog.csdn.net/dongfengsun/article/details/4840224

http://www.cnblogs.com/speeding/archive/2011/09/29/2195252.html