（转）iOS内购(iap)总结

// // IAPManager.m // SpeakEnglish // // Created by Daniel on 16/6/8. // Copyright © 2016年 Daniel. All rights reserved. // #import "IAPManager.h" #import <StoreKit/StoreKit.h> @interface IAPManager ()<SKPaymentTransactionObserver, SKProductsRequestDelegate> // 所有商品 @property (nonatomic, strong)NSArray *products; @property (nonatomic, strong)SKProductsRequest *request; @end static IAPManager *manager = nil; @implementation IAPManager + (instancetype)shareIAPManager { static dispatch_once_t onceToken; dispatch_once(&onceToken, ^{ manager = [self new]; [[SKPaymentQueue defaultQueue] addTransactionObserver:manager]; }); return manager; } - (void)dealloc { [[SKPaymentQueue defaultQueue] removeTransactionObserver:self]; } // 请求可卖的商品 - (void)requestProducts { if (![SKPaymentQueue canMakePayments]) { // 您的手机没有打开程序内付费购买 return; } // 1.请求所有的商品ID NSString *productFilePath = [[NSBundle mainBundle] pathForResource:@"iapdemo.plist" ofType:nil]; NSArray *products = [NSArray arrayWithContentsOfFile:productFilePath]; // 2.获取所有的productid NSArray *productIds = [products valueForKeyPath:@"productId"]; // 3.获取productid的set(集合中) NSSet *set = [NSSet setWithArray:productIds]; // 4.向苹果发送请求,请求可卖商品 _request = [[SKProductsRequest alloc] initWithProductIdentifiers:set]; _request.delegate = self; [_request start]; } /** * 当请求到可卖商品的结果会执行该方法 * * @param response response中存储了可卖商品的结果 */ - (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response { for (SKProduct *product in response.products) { // 用来保存价格 NSMutableDictionary *priceDic = @{}.mutableCopy; // 货币单位 NSNumberFormatter *numberFormatter = [[NSNumberFormatter alloc] init]; [numberFormatter setFormatterBehavior:NSNumberFormatterBehavior10_4]; [numberFormatter setNumberStyle:NSNumberFormatterCurrencyStyle]; [numberFormatter setLocale:product.priceLocale]; // 带有货币单位的价格 NSString *formattedPrice = [numberFormatter stringFromNumber:product.price]; [priceDic setObject:formattedPrice forKey:product.productIdentifier]; NSLog(@"价格:%@", product.price); NSLog(@"标题:%@", product.localizedTitle); NSLog(@"秒速:%@", product.localizedDescription); NSLog(@"productid:%@", product.productIdentifier); } // 保存价格列表 [[NSUserDefaults standardUserDefaults] setObject:priceDic forKey:@"priceDic"]; [[NSUserDefaults standardUserDefaults] synchronize]; // 1.存储所有的数据 self.products = response.products; self.products = [self.products sortedArrayWithOptions:NSSortConcurrent usingComparator:^NSComparisonResult(SKProduct *obj1, SKProduct *obj2) { return [obj1.price compare:obj2.price]; }]; } #pragma mark - 购买商品 - (void)buyProduct:(SKProduct *)product { // 1.创建票据 SKPayment *payment = [SKPayment paymentWithProduct:product]; WELog(@"productIdentifier----%@", payment.productIdentifier); // 2.将票据加入到交易队列中 [[SKPaymentQueue defaultQueue] addPayment:payment]; } #pragma mark - 实现观察者回调的方法 /** * 当交易队列中的交易状态发生改变的时候会执行该方法 * * @param transactions 数组中存放了所有的交易 */ - (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions { /* SKPaymentTransactionStatePurchasing, 正在购买 SKPaymentTransactionStatePurchased, 购买完成(销毁交易) SKPaymentTransactionStateFailed, 购买失败(销毁交易) SKPaymentTransactionStateRestored, 恢复购买(销毁交易) SKPaymentTransactionStateDeferred 最终状态未确定 */ for (SKPaymentTransaction *transaction in transactions) { switch (transaction.transactionState) { case SKPaymentTransactionStatePurchasing: WELog(@"用户正在购买"); break; case SKPaymentTransactionStatePurchased: WELog(@"productIdentifier----->%@", transaction.payment.productIdentifier); [self buySuccessWithPaymentQueue:queue Transaction:transaction]; break; case SKPaymentTransactionStateFailed: NSLog(@"购买失败"); [queue finishTransaction:transaction]; break; case SKPaymentTransactionStateRestored: NSLog(@"恢复购买"); [queue finishTransaction:transaction]; break; case SKPaymentTransactionStateDeferred: NSLog(@"最终状态未确定"); break; default: break; } } } - (void)buySuccessWithPaymentQueue:(SKPaymentQueue *)queue Transaction:(SKPaymentTransaction *)transaction { AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; NSDictionary *params = @{@"user_id":@"user_id", // 获取商品 @"goods":[self goodsWithProductIdentifier:transaction.payment.productIdentifier]}; [manager POST:@"url" parameters:params success:^(NSURLSessionDataTask *task, id responseObject) { if ([responseObject[@"code"] intValue] == 200) { // 防止丢单, 必须在服务器确定后从交易队列删除交易 // 如果不从交易队列上删除交易, 下次调用addTransactionObserver:, 仍然会回调‘updatedTransactions‘方法, 以此处理丢单 WELog(@"购买成功"); [queue finishTransaction:transaction]; } } failure:^(NSURLSessionDataTask *task, NSError *error) { }]; } // 商品列表 也可以使用从苹果请求的数据, 具体细节自己视情况处理 // goods1 是商品的ID - (NSString *)goodsWithProductIdentifier:(NSString *)productIdentifier { NSDictionary *goodsDic = [[NSUserDefaults standardUserDefaults] objectForKey:@"priceDic"]; return goodsDic[productIdentifier]; } // 恢复购买 - (void)restore { [[SKPaymentQueue defaultQueue] restoreCompletedTransactions]; } - (void)paymentQueue:(SKPaymentQueue *)queue restoreCompletedTransactionsFailedWithError:(NSError *)error { // 恢复失败 WELog(@"恢复失败"); } // 取消请求商品信息 - (void)dealloc { [_request cancel]; } @end