IAP资源

http://www.cocoachina.com/bbs/read.php?tid-11357.html

http://developer.apple.com/library/ios/#documentation/NetworkingInternet/Conceptual/StoreKitGuide/AddingaStoretoYourApplication/AddingaStoretoYourApplication.html#//apple_ref/doc/uid/TP40008267-CH101-SW1

http://www.iphone-geek.cn/%E7%BC%96%E7%A8%8B/iap%EF%BC%88%E7%A8%8B%E5%BA%8F%E5%86%85%E8%B4%AD%E4%B9%B0%EF%BC%89-%E5%AE%8C%E5%85%A8%E6%94%BB%E7%95%A5