2023年12月16日发(作者：董彦红)

- ( void)viewDidLoad {

[ super viewDidLoad];

// 监听购买结果

[[ SKPaymentQueue defaultQueue] addTransactionObserver: self];

}

- ( void)viewDidUnload {

[ super viewDidUnload];

[[ SKPaymentQueue defaultQueue] removeTransactionObserver: self];

}

[ self completeTransaction:transaction];

break;

case

SKPaymentTransactionStateFailed: //交易失败

[ self failedTransaction:transaction];

break;

case

SKPaymentTransactionStateRestored: //已经购买过该商品

[ self restoreTransaction:transaction];

break;

case

SKPaymentTransactionStatePurchasing:

//商品添加进列表

NSLog( @"商品添加进列表");

break;

2023年12月16日发(作者：董彦红)

- ( void)viewDidLoad {

[ super viewDidLoad];

// 监听购买结果

[[ SKPaymentQueue defaultQueue] addTransactionObserver: self];

}

- ( void)viewDidUnload {

[ super viewDidUnload];

[[ SKPaymentQueue defaultQueue] removeTransactionObserver: self];

}

[ self completeTransaction:transaction];

break;

case

SKPaymentTransactionStateFailed: //交易失败

[ self failedTransaction:transaction];

break;

case

SKPaymentTransactionStateRestored: //已经购买过该商品

[ self restoreTransaction:transaction];

break;

case

SKPaymentTransactionStatePurchasing:

//商品添加进列表

NSLog( @"商品添加进列表");

break;