1.導(dǎo)入頭文件<StoreKit/StoreKit.h>

#import <StoreKit/StoreKit.h> 

2.將所有內(nèi)購產(chǎn)品的ID放進(jìn)一個(gè)數(shù)組productArr

#define Product1  @"product1" //產(chǎn)品ID
#define Product2  @"product2"
#define Product3  @"product3"
#define Product4  @"product4"
#define Product5  @"product5"
#define Product6  @"product6"

3.加入?yún)f(xié)議

@interface ViewController ()
<
SKPaymentTransactionObserver,
SKProductsRequestDelegate
>
@property (nonatomic, assign) NSInteger selectedProduct;//選擇購買的產(chǎn)品在數(shù)組中的序號(hào)
@end

@implementation ViewController{
    NSArray *productArr; //存放產(chǎn)品ID
}

4.添加一個(gè)購買按鈕

- (void)viewDidLoad {
    [super viewDidLoad];
    
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
   [ button setTitle: @"點(diǎn)擊購買"forState:UIControlStateNormal];
    [button addTarget:self action:@selector(startPayClick:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];

    //添加一個(gè)交易隊(duì)列觀察者
    [[SKPaymentQueue defaultQueue] addTransactionObserver:self];
    productArr = @[Product1,Product2,Product3,Product4,Product5,Product6];
    
}

pragma mark - Event response 購買按鈕點(diǎn)擊事件

-(void)startPayClick:(UIButton *)button{
    
    self.selectedProduct = 1;//購買第一個(gè)產(chǎn)品

    //判斷是否可進(jìn)行支付
    if ([SKPaymentQueue canMakePayments]) {
        NSLog(@"----------允許程序內(nèi)付費(fèi)--------");
        [self requestProductData:productArr[self.selectedProduct]];
    } else {
        NSLog(@"不允許程序內(nèi)付費(fèi)");
    }
    
}

pragma mark ---內(nèi)購測(cè)試

- (void)requestProductData:(NSString *)type {
    //根據(jù)商品ID查找商品信息
    NSArray *product = [[NSArray alloc] initWithObjects:type, nil];
    NSSet *nsset = [NSSet setWithArray:product];
    //創(chuàng)建SKProductsRequest對(duì)象，用想要出售的商品的標(biāo)識(shí)來初始化， 然后附加上對(duì)應(yīng)的委托對(duì)象。
    //該請(qǐng)求的響應(yīng)包含了可用商品的本地化信息。
    
    SKProductsRequest *request = [[SKProductsRequest alloc] initWithProductIdentifiers:nsset];
    request.delegate = self;
    [request start];
}

- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response {
    NSLog(@"-----------收到產(chǎn)品反饋信息--------------");
    NSArray *product = response.products;
    NSLog(@"產(chǎn)品Product ID:%@",response.invalidProductIdentifiers);
    NSLog(@"產(chǎn)品付費(fèi)數(shù)量: %ld", [product count]);
    if ([product count] == 0) {
        return;
    }
    // SKProduct對(duì)象包含了在App Store上注冊(cè)的商品的本地化信息。
    SKProduct *storeProduct = nil;
    for (SKProduct *pro in product) {
        
        NSLog(@"product info");
        NSLog(@"SKProduct 描述信息%@", [pro description]);
        NSLog(@"產(chǎn)品標(biāo)題 %@" , pro.localizedTitle);
        NSLog(@"產(chǎn)品描述信息: %@" , pro.localizedDescription);
        NSLog(@"價(jià)格: %@" , pro.price);
        NSLog(@"Product id: %@" , pro.productIdentifier);
        if ([pro.productIdentifier isEqualToString:productArr[self.selectedProduct]]) {
            storeProduct = pro;
        }
    }  
    SKPayment *payment = [SKPayment paymentWithProduct:storeProduct];
    NSLog(@"--------發(fā)送購買請(qǐng)求---------");
    [[SKPaymentQueue defaultQueue ] addPayment:payment];
}

- (void)request:(SKRequest *)request didFailWithError:(NSError *)error {
    NSLog(@"請(qǐng)求商品失敗%@", error);
    
}

- (void)requestDidFinish:(SKRequest *)request {
    NSLog(@"反饋信息結(jié)束調(diào)用 "); 
}

-(void) paymentQueue:(SKPaymentQueue *) paymentQueue restoreCompletedTransactionsFailedWithError:(NSError *)error{
    NSLog(@"-------paymentQueue----");
}

//監(jiān)聽購買結(jié)果
- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transaction {
    
    for (SKPaymentTransaction *tran in transaction) {
        switch (tran.transactionState) {
            case SKPaymentTransactionStatePurchased:
                NSLog(@"-----交易完成 --------");
                [self completeTransaction:tran];
                [[SKPaymentQueue defaultQueue]finishTransaction:tran];
                break;
            case SKPaymentTransactionStatePurchasing:
                NSLog(@"商品加入列表");
                break;
            case SKPaymentTransactionStateRestored:
                [self restoreTransaction:tran];
                NSLog(@"-----已經(jīng)購買過該商品 --------");
                [[SKPaymentQueue defaultQueue]finishTransaction:tran];
                break;
            case SKPaymentTransactionStateFailed:
                NSLog(@"交易失敗");
                [self failedTransaction:tran];
                break;
            default:
                break;
        }
    }
}

//交易結(jié)束
- (void)completeTransaction:(SKPaymentTransaction *)transaction {
    NSLog(@"交易結(jié)束!!!!!!!!!!!!!!!");
    // appStoreReceiptURL iOS7.0增加的，購買交易完成后，會(huì)將憑據(jù)存放在該地址
    NSURL *receiptURL = [[NSBundle mainBundle] appStoreReceiptURL];
    // 獲取到購買憑據(jù)
    NSData *receiptData = [NSData dataWithContentsOfURL:receiptURL];
    
    NSString *encodeStr = [receiptData base64EncodedStringWithOptions:NSDataBase64EncodingEndLineWithLineFeed];
    //購買完成向后臺(tái)發(fā)送receipt-data，后臺(tái)校驗(yàn)發(fā)送部分略
    NSString *sendString = [NSString stringWithFormat:@"{\"receipt-data\" : \"%@\"}", encodeStr];

    //??沙盒測(cè)試時(shí)用
     NSString * str = [[NSString alloc]initWithData:transaction.transactionReceipt encoding:NSUTF8StringEncoding];
     NSString *environment=[self environmentForReceipt:str];
     NSURL *StoreURL=nil;
     if ([environment isEqualToString:@"environment=Sandbox"]) {
         StoreURL= [[NSURL alloc] initWithString: @"https://sandbox.itunes.apple.com/verifyReceipt"];
     }
     else{
         StoreURL= [[NSURL alloc] initWithString: @"https://buy.itunes.apple.com/verifyReceipt"];
     }
//或者不用判斷沙盒環(huán)境，直接用NSURL *StoreURL= [[NSURL alloc] initWithString: @"https://sandbox.itunes.apple.com/verifyReceipt"];

    /*??提交審核時(shí)用，將沙盒測(cè)試部分（171-183行）去掉，不然審核通過后內(nèi)購有問題
    NSURL *StoreURL= [[NSURL alloc] initWithString: @"https://buy.itunes.apple.com/verifyReceipt"];
    */

    //這個(gè)二進(jìn)制數(shù)據(jù)由服務(wù)器進(jìn)行驗(yàn)證；zl
    NSData *postData = [NSData dataWithBytes:[sendString UTF8String] length:[sendString length]];
    
    NSMutableURLRequest *connectionRequest = [NSMutableURLRequest requestWithURL:StoreURL];
    
    [connectionRequest setHTTPMethod:@"POST"];
    [connectionRequest setTimeoutInterval:50.0];//120.0---50.0zl
    [connectionRequest setCachePolicy:NSURLRequestUseProtocolCachePolicy];
    [connectionRequest setHTTPBody:postData];
    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];
        }
    }
    
    [[SKPaymentQueue defaultQueue] finishTransaction:transaction];
}

//記錄交易
-(void)recordTransaction:(NSString *)product{
    NSLog(@"-----記錄交易--------");
}

//處理下載內(nèi)容
-(void)provideContent:(NSString *)product{
    NSLog(@"-----下載--------");
}

- (void) failedTransaction: (SKPaymentTransaction *)transaction{
    NSLog(@"失敗");
    //此處最好提示用戶，讓用戶重新購買或者……（UE）
    if (transaction.error.code != SKErrorPaymentCancelled)
    {
    }
    [[SKPaymentQueue defaultQueue] finishTransaction: transaction];   
}

- (void)restoreTransaction:(SKPaymentTransaction *)transaction {
    // 恢復(fù)已經(jīng)購買的產(chǎn)品
    [[SKPaymentQueue defaultQueue] finishTransaction: transaction];
}

//收據(jù)的環(huán)境判斷；
-(NSString * )environmentForReceipt:(NSString * )str
{
    str= [str stringByReplacingOccurrencesOfString:@"\r\n" withString:@""];
    
    str = [str stringByReplacingOccurrencesOfString:@"\n" withString:@""];
    
    str = [str stringByReplacingOccurrencesOfString:@"\t" withString:@""];
    
    str=[str stringByReplacingOccurrencesOfString:@" " withString:@""];
    
    str=[str stringByReplacingOccurrencesOfString:@"\"" withString:@""];
    
    NSArray * arr=[str componentsSeparatedByString:@";"];
    
    //存儲(chǔ)收據(jù)環(huán)境的變量
    NSString * environment=arr[2];
    return environment;
}    

源代碼見https://github.com/hubangguo/applePay