http://www.mobiletrain.org/lecture/doc/iphone/2011-05/476.html
http://blog.sina.com.cn/s/blog_5be44a8f0100tzpo.html
http://bbs.firedragonpzy.com.cn/forum.php?mod=viewthread&tid=86
http://blog.csdn.net/chenee543216/article/details/14524095
http://bbs.9ria.com/forum.php?mod=viewthread&tid=257811&highlight=%E5%B9%BF%E5%91%8A
iPhone开发技巧之发布篇(5)— 在程序中添加广告
http://bbs.9ria.com/forum.php?mod=viewthread&tid=259316&highlight=iadsris'iAds 经验、技术总结
http://bbs.9ria.com/search.php?mod=forum&searchid=1417&orderby=lastpost&ascdesc=desc&searchsubmit=yes&kw=iad 9ria-iashttp://blog.csdn.net/l_ch_g/article/details/8677040
http://blog.sina.com.cn/s/blog_a229ad7f01010x9r.html
assetsmanager
http://bbs.firedragonpzy.com.cn/forum.php?mod=viewthread&tid=89
http://blog.csdn.net/sonikk/article/details/8871403
http://www.himigame.com/iphone-cocos2dx/1354.html
http://4137613.blog.51cto.com/4127613/1120219
http://blog.hsin.tw/2012/ios-dev-some-helpful-articles-about-iap/
http://www.raywenderlich.com/zh-hans/26601/in-app-purchases%E5%86%85%E8%B4%AD-%E5%85%A5%E9%97%A8
https://developer.apple.com/in-app-purchase/
http://acoder.me/print-the-specified-directory-of-all-documents.html 打印指定目录下所有文件
http://www.cnblogs.com/xiaodao/archive/2012/03/28/2422091.html