IAP相关

http://mobile.51cto.com/iphone-410162.htm

http://www.jianshu.com/p/86ac7d3b593a

http://www.jianshu.com/p/d9d742e82188

http://www.cnblogs.com/XYQ-208910/p/6087199.html

http://blog.csdn.net/shenjie12345678/article/details/40978977

http://www.cocoachina.com/ios/20150521/11889.html

http://www.cnblogs.com/letougaozao/p/4026276.html

http://www.cocoachina.com/ios/20150612/12110.html

IAP相关

原文：http://www.cnblogs.com/drbbq/p/6366115.html