这里Himi是新建的一个Cocos2d的项目，然后给出HelloWorldLayer.h以及HelloWorldLayer.m的全部代码，所有购买代码也全在里面也对应有Himi的注释！
HelloWorldLayer.h
//// HelloWorldLayer.h// buytest//// Created by 华明 李 on 11-10-29.// Copyright Himi 2011年. All rights reserved.//// When you import this file, you import all the cocos2d classes#import "cocos2d.h"#import <UIKit/UIKit.h>#import <StoreKit/StoreKit.h>enum{IAP0p99=10,IAP1p99,IAP4p99,IAP9p99,IAP24p99,}buyCoinsTag; @interface HelloWorldLayer : CCLayer<SKProductsRequestDelegate,SKPaymentTransactionObserver>{int buyType;}+(CCScene *) scene; – (void) requestProUpgradeProductData;-(void)RequestProductData;-(bool)CanMakePay;-(void)buy:(int)type; – (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions;-(void) PurchasedTransaction: (SKPaymentTransaction *)transaction;- (void) completeTransaction: (SKPaymentTransaction *)transaction;- (void) failedTransaction: (SKPaymentTransaction *)transaction;-(void) paymentQueueRestoreCompletedTransactionsFinished: (SKPaymentTransaction *)transaction;-(void) paymentQueue:(SKPaymentQueue *) paymentQueue restoreCompletedTransactionsFailedWithError:(NSError *)error;- (void) restoreTransaction: (SKPaymentTransaction *)transaction;-(void)provideContent:(NSString *)product;-(void)recordTransaction:(NSString *)product;@end HelloWorldLayer.m// // IapLayer.m // // Created by Himi on 11-5-25. // Copyright 2011年 李华明 . All rights reserved. //#import "HelloWorldLayer.h" #define ProductID_IAP0p99 @"com.buytest.one"//$0.99#define ProductID_IAP1p99 @"com.buytest.two" //$1.99 #define ProductID_IAP4p99 @"com.buytest.three" //$4.99#define ProductID_IAP9p99 @"com.buytest.four" //$19.99#define ProductID_IAP24p99 @"com.buytest.five" //$24.99@implementation HelloWorldLayer +(CCScene *) scene {CCScene *scene = [CCScene node];HelloWorldLayer *layer = [HelloWorldLayer node];[scene addChild: layer];return scene; } -(id)init {if ((self = [super init])) {CGSize size = [[CCDirector sharedDirector] winSize];CCSprite *iap_bg = [CCSprite spriteWithFile:@"Icon.png"];[iap_bg setPosition:ccp(size.width/2,size.height/2)];[self addChild:iap_bg z:0];//———————//—-监听购买结果[[SKPaymentQueue defaultQueue] addTransactionObserver:self];//申请购买/*enum{IAP0p99=10,IAP1p99,IAP4p99,IAP9p99,IAP24p99,}buyCoinsTag;*/[self buy:IAP24p99];}return self; }-(void)buy:(int)type {buyType = type;if ([SKPaymentQueue canMakePayments]) {//[[SKPaymentQueue defaultQueue] restoreCompletedTransactions];[self RequestProductData];CCLOG(@"允许程序内付费购买");}else{CCLOG(@"不允许程序内付费购买");UIAlertView *alerView = [[UIAlertView alloc] initWithTitle:@"Alert"message:@"You can‘t purchase in app store（Himi说你没允许应用程序内购买）"delegate:nil cancelButtonTitle:NSLocalizedString(@"Close（关闭）",nil) otherButtonTitles:nil];[alerView show];[alerView release];} }-(bool)CanMakePay {return [SKPaymentQueue canMakePayments]; }-(void)RequestProductData {CCLOG(@"———请求对应的产品信息————");NSArray *product = nil;switch (buyType) {case IAP0p99:product=[[NSArray alloc] initWithObjects:ProductID_IAP0p99,nil];break;case IAP1p99:product=[[NSArray alloc] initWithObjects:ProductID_IAP1p99,nil];break;case IAP4p99:product=[[NSArray alloc] initWithObjects:ProductID_IAP4p99,nil];break;case IAP9p99:product=[[NSArray alloc] initWithObjects:ProductID_IAP9p99,nil];break;case IAP24p99:product=[[NSArray alloc] initWithObjects:ProductID_IAP24p99,nil];break;default:break;}NSSet *nsset = [NSSet setWithArray:product];SKProductsRequest *request=[[SKProductsRequest alloc] initWithProductIdentifiers: nsset];request.delegate=self;[request start];[product release]; } //<SKProductsRequestDelegate> 请求协议 //收到的产品信息 – (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response{NSLog(@"———–收到产品反馈信息————–");NSArray *myProduct = response.products;NSLog(@"产品Product ID:%@",response.invalidProductIdentifiers);NSLog(@"产品付费数量: %d", [myProduct count]);// populate UIfor(SKProduct *product in myProduct){NSLog(@"product info");NSLog(@"SKProduct 描述信息%@", [product description]);NSLog(@"产品标题 %@" , product.localizedTitle);NSLog(@"产品描述信息: %@" , product.localizedDescription);NSLog(@"价格: %@" , product.price);NSLog(@"Product id: %@" , product.productIdentifier);}SKPayment *payment = nil;switch (buyType) {case IAP0p99:payment = [SKPayment paymentWithProductIdentifier:ProductID_IAP0p99]; //支付$0.99break;case IAP1p99:payment = [SKPayment paymentWithProductIdentifier:ProductID_IAP1p99]; //支付$1.99break;case IAP4p99:payment = [SKPayment paymentWithProductIdentifier:ProductID_IAP4p99]; //支付$9.99break;case IAP9p99:payment = [SKPayment paymentWithProductIdentifier:ProductID_IAP9p99]; //支付$19.99break;case IAP24p99:payment = [SKPayment paymentWithProductIdentifier:ProductID_IAP24p99]; //支付$29.99break;default:break;}CCLOG(@"———发送购买请求————");[[SKPaymentQueue defaultQueue] addPayment:payment];[request autorelease];} – (void)requestProUpgradeProductData {CCLOG(@"——请求升级数据———");NSSet *productIdentifiers = [NSSet setWithObject:@"com.productid"];SKProductsRequest* productsRequest = [[SKProductsRequest alloc] initWithProductIdentifiers:productIdentifiers];productsRequest.delegate = self;[productsRequest start];} //弹出错误信息 – (void)request:(SKRequest *)request didFailWithError:(NSError *)error{CCLOG(@"——-弹出错误信息———-");UIAlertView *alerView = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Alert",NULL) message:[error localizedDescription]delegate:nil cancelButtonTitle:NSLocalizedString(@"Close",nil) otherButtonTitles:nil];[alerView show];[alerView release]; }-(void) requestDidFinish:(SKRequest *)request {NSLog(@"———-反馈信息结束————–");}-(void) PurchasedTransaction: (SKPaymentTransaction *)transaction{CCLOG(@"—–PurchasedTransaction—-");NSArray *transactions =[[NSArray alloc] initWithObjects:transaction, nil];[self paymentQueue:[SKPaymentQueue defaultQueue] updatedTransactions:transactions];[transactions release]; }//<SKPaymentTransactionObserver> 千万不要忘记绑定，，代码如下： //—-监听购买结果 //[[SKPaymentQueue defaultQueue] addTransactionObserver:self];- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions//交易结果 {CCLOG(@"—–paymentQueue——–");for (SKPaymentTransaction *transaction in transactions){switch (transaction.transactionState){case SKPaymentTransactionStatePurchased://交易完成[self completeTransaction:transaction];CCLOG(@"—–交易完成 ——–");CCLOG(@"不允许程序内付费购买");UIAlertView *alerView = [[UIAlertView alloc] initWithTitle:@"Alert"message:@"Himi说你购买成功啦～娃哈哈"delegate:nil cancelButtonTitle:NSLocalizedString(@"Close（关闭）",nil) otherButtonTitles:nil];[alerView show];[alerView release];break;case SKPaymentTransactionStateFailed://交易失败[self failedTransaction:transaction];CCLOG(@"—–交易失败 ——–");UIAlertView *alerView2 = [[UIAlertView alloc] initWithTitle:@"Alert"message:@"Himi说你购买失败，请重新尝试购买～"delegate:nil cancelButtonTitle:NSLocalizedString(@"Close（关闭）",nil) otherButtonTitles:nil];[alerView2 show];[alerView2 release];break;case SKPaymentTransactionStateRestored://已经购买过该商品[self restoreTransaction:transaction];CCLOG(@"—–已经购买过该商品 ——–");case SKPaymentTransactionStatePurchasing://商品添加进列表CCLOG(@"—–商品添加进列表 ——–");break;default:break;}} } – (void) completeTransaction: (SKPaymentTransaction *)transaction{CCLOG(@"—–completeTransaction——–");// Your application should implement these two methods.NSString *product = transaction.payment.productIdentifier;if ([product length] > 0) {NSArray *tt = [product componentsSeparatedByString:@"."];NSString *bookid = [tt lastObject];if ([bookid length] > 0) {[self recordTransaction:bookid];[self provideContent:bookid];}}// Remove the transaction from the payment queue.[[SKPaymentQueue defaultQueue] finishTransaction: transaction];}//记录交易 -(void)recordTransaction:(NSString *)product{CCLOG(@"—–记录交易——–"); }//处理下载内容 -(void)provideContent:(NSString *)product{CCLOG(@"—–下载——–"); }- (void) failedTransaction: (SKPaymentTransaction *)transaction{NSLog(@"失败");if (transaction.error.code != SKErrorPaymentCancelled){}[[SKPaymentQueue defaultQueue] finishTransaction: transaction];} -(void) paymentQueueRestoreCompletedTransactionsFinished: (SKPaymentTransaction *)transaction{}- (void) restoreTransaction: (SKPaymentTransaction *)transaction{NSLog(@" 交易恢复处理");}-(void) paymentQueue:(SKPaymentQueue *) paymentQueue restoreCompletedTransactionsFailedWithError:(NSError *)error{CCLOG(@"——-paymentQueue—-"); }#pragma mark connection delegate – (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {NSLog(@"%@", [[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding] autorelease]); } – (void)connectionDidFinishLoading:(NSURLConnection *)connection{}- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response{switch([(NSHTTPURLResponse *)response statusCode]) {case 200:case 206:break;case 304:break;case 400:break;case 404:break;case 416:break;case 403:break;case 401:case 500:break;default:break;}}- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {NSLog(@"test"); }-(void)dealloc {[[SKPaymentQueue defaultQueue] removeTransactionObserver:self];//解除监听[super dealloc]; } @end
顺便提示一下：Bundle ID 尽可能与开发者证书的app ID 一致。
好了，写了这么多了，咳咳、Himi继续忙了，做iOS的童鞋们我想此篇将成为你必须收藏的一篇哦～嘿嘿！
带着我的相机和电脑，远离繁华，走向空旷。
