文件名称:ECPurchase
介绍说明－－下载内容均来自于网络，请自行研究使用
App store内购模块（IAP）。本代码实现了IAP，高度封装，拿来即可用。网络交互采用ASIHTTPREQUEST.-In Application Purchase module, highly encapsulation, use ASIHTTPREQUEST for network.
(系统自动生成,下载前可以参看下载内容)
下载文件列表
ECPurchase
..........\asi-http-request
..........\................\ASIAuthenticationDialog.h
..........\................\ASIAuthenticationDialog.m
..........\................\ASIHTTPRequest.h
..........\................\ASIHTTPRequest.m
..........\................\ASIInputStream.h
..........\................\ASIInputStream.m
..........\................\ASINetworkQueue.h
..........\................\ASINetworkQueue.m
..........\................\Reachability.h
..........\................\Reachability.m
..........\based64
..........\.......\GTMBase64.h
..........\.......\GTMBase64.m
__MACOSX
........\ECPurchase
........\..........\based64
........\..........\.......\._GTMBase64.m
ECPurchase\based64\GTMDefines.h
..........\ECPurchase.h
__MACOSX\ECPurchase\._ECPurchase.h
ECPurchase\ECPurchase.m
__MACOSX\ECPurchase\._ECPurchase.m
ECPurchase\ECStoreObserver.h
..........\ECStoreObserver.m
..........\json-framework
..........\..............\SBJSON.h
..........\..............\SBJSON.m
..........\..............\SBJsonBase.h
..........\..............\SBJsonBase.m
..........\..............\SBJsonParser.h
..........\..............\SBJsonParser.m
..........\..............\SBJsonWriter.h
..........\..............\SBJsonWriter.m