iOS 关于内购

最近项目的第三方支付导致项目被拒，记录一下关于内购

#import <StoreKit/StoreKit.h>

//沙盒测试环境验证
#define SANDBOX @"https://sandbox.itunes.apple.com/verifyReceipt"
//正式环境验证
#define AppStore @"https://buy.itunes.apple.com/verifyReceipt"

#define ProductID_GPSTC01  @"xmws_tc1"  //xmws_tc1是在itunes上注册的物品，这个要保持一致
#define ProductID_GPSTC02   @"xmws_tc2"  
#define ProductID_GPSTC03    @"xmws_tc3" 

@interface ViewController ()<SKPaymentTransactionObserver>

- (void)viewDidLoad {
    [super viewDidLoad];
    [self createViews];
    // 01监听购买结果
    [[SKPaymentQueue defaultQueue] addTransactionObserver:self];
}

- (void)dealloc
{
    [[SKPaymentQueue defaultQueue] removeTransactionObserver:self];
}

- (void)createViews
{
    NSArray * buttonNames = @[@"GPS套餐01", @"GPS套餐02", @"GPS套餐03"];
    __weak typeof(self) weakSelf = self;
    [buttonNames enumerateObjectsUsingBlock:^(NSString * buttonName, NSUInteger idx, BOOL * stop) {
        UIButton * button = [UIButton buttonWithType:UIButtonTypeSystem];
        [weakSelf.view addSubview:button];
        button.frame = CGRectMake(100, 100 + idx   * 60, 150, 50);
        button.titleLabel.font = [UIFont systemFontOfSize:18];
        [button setTitle:buttonName forState:UIControlStateNormal];
        
        // 设置tag值
        button.tag = 1000 + idx;
        [button addTarget:self action:@selector(buyProduct:) forControlEvents:UIControlEventTouchUpInside];
    }];
}


- (void)buyProduct:(UIButton *) sender
{
    self.buyType = sender.tag - 1000;
    if ([SKPaymentQueue canMakePayments]) {
        // 02判断是否允许程序内付费购买
        [self requestProductData];
        NSLog(@"允许程序内付费购买");
    }
    else
    {
        NSLog(@"不允许程序内付费购买");
        UIAlertView *alerView =  [[UIAlertView alloc] initWithTitle:@"提示"
                                                            message:@"您的手机没有打开程序内付费购买"
                                                           delegate:nil cancelButtonTitle:NSLocalizedString(@"关闭",nil) otherButtonTitles:nil];
        [alerView show];
        
    }
}


// 03查询。下面的ProductId应该是事先在itunesConnect中添加好的，已存在的付费项目。否则查询会失败。
- (void)requestProductData {
    NSLog(@"---------请求对应的产品信息------------");
    NSArray *product = nil;
    switch (self.buyType) {
        case 0:
            product = [NSArray arrayWithObject:ProductID_GPSTC01];
            break;
        case 1:
            product = [NSArray arrayWithObject:ProductID_GPSTC02];
            break;
        case 2:
            product = [NSArray arrayWithObject:ProductID_GPSTC03];
            break;
    }
    NSSet *nsset = [NSSet setWithArray:product];
    SKProductsRequest *request = [[SKProductsRequest alloc] initWithProductIdentifiers: nsset];
    request.delegate = self;
    [request start];
}

#pragma mark - SKProductsRequestDelegate
// 05收到的产品信息回调
- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response{
    
    NSArray *myProduct = response.products;
    NSLog(@"----收到产品反馈信息%@-----",myProduct);
    if (myProduct.count == 0) {
        NSLog(@"无法获取产品信息，购买失败。");
        return;
    }
    NSLog(@"产品Product ID:%@",response.invalidProductIdentifiers);
    NSLog(@"产品付费数量: %d", (int)[myProduct count]);
    // populate UI
    for(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 = [SKPayment paymentWithProduct:myProduct[0]];
    NSLog(@"---------发送购买请求------------");
    [[SKPaymentQueue defaultQueue] addPayment:payment];
    
}

//弹出错误信息
- (void)request:(SKRequest *)request didFailWithError:(NSError *)error{
    NSLog(@"-------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];
    
}

-(void) requestDidFinish:(SKRequest *)request
{
    NSLog(@"----------反馈信息结束--------------");
    
}

#pragma mark - SKPaymentTransactionObserver
// 处理交易结果
- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions {
    for (SKPaymentTransaction *transaction in transactions)
    {
        switch (transaction.transactionState)
        {
            case SKPaymentTransactionStatePurchased://交易完成
                NSLog(@"transactionIdentifier = %@", transaction.transactionIdentifier);
                [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;
            default:
                break;
        }
    }
    
}

// 交易完成
- (void)completeTransaction:(SKPaymentTransaction *)transaction {
    NSString * productIdentifier = transaction.payment.productIdentifier;
    //    NSString * receipt = [transaction.transactionReceipt base64EncodedString];
    if ([productIdentifier length] > 0) {
        // 向自己的服务器验证购买凭证
        [self verifyPurchaseWithPaymentTransaction];
    }
    
    // Remove the transaction from the payment queue.
    [[SKPaymentQueue defaultQueue] finishTransaction: transaction];
    
}

// 交易失败
- (void)failedTransaction:(SKPaymentTransaction *)transaction {
    if(transaction.error.code != SKErrorPaymentCancelled) {
        NSLog(@"购买失败");
    } else {
        NSLog(@"用户取消交易");
    }
    [[SKPaymentQueue defaultQueue] finishTransaction: transaction];
}

/**
 *  验证购买，避免越狱软件模拟苹果请求达到非法购买问题
 *
 */
-(void)verifyPurchaseWithPaymentTransaction{
    //从沙盒中获取交易凭证并且拼接成请求体数据
    NSURL *receiptUrl=[[NSBundle mainBundle] appStoreReceiptURL];
    NSData *receiptData=[NSData dataWithContentsOfURL:receiptUrl];

    NSString *receiptString=[receiptData base64EncodedStringWithOptions:NSDataBase64EncodingEndLineWithLineFeed];//转化为base64字符串

    NSString *bodyString = [NSString stringWithFormat:@"{"receipt-data" : "%@"}", receiptString];//拼接请求数据
    NSData *bodyData = [bodyString dataUsingEncoding:NSUTF8StringEncoding];


    //创建请求到苹果官方进行购买验证
    NSURL *url=[NSURL URLWithString:SANDBOX];
    NSMutableURLRequest *requestM=[NSMutableURLRequest requestWithURL:url];
    requestM.HTTPBody=bodyData;
    requestM.HTTPMethod=@"POST";
    //创建连接并发送同步请求
    NSError *error=nil;
    NSData *responseData=[NSURLConnection sendSynchronousRequest:requestM returningResponse:nil error:&error];
    if (error) {
        NSLog(@"验证购买过程中发生错误，错误信息：%@",error.localizedDescription);
        return;
    }
    NSDictionary *dic=[NSJSONSerialization JSONObjectWithData:responseData options:NSJSONReadingAllowFragments error:nil];
    NSLog(@"苹果返回的购买凭证 == %@",dic);  //苹果返回的购买凭证
    if([dic[@"status"] intValue]==0){
        NSLog(@"购买成功！");
        NSDictionary *dicReceipt= dic[@"receipt"];
        NSDictionary *dicInApp=[dicReceipt[@"in_app"] firstObject];
        NSString *productIdentifier= dicInApp[@"product_id"];//读取产品标识
        //如果是消耗品则记录购买数量，非消耗品则记录是否购买过
        NSUserDefaults *defaults=[NSUserDefaults standardUserDefaults];
//        if ([productIdentifier isEqualToString:ProductID_IAP_XYJ]) {
//            int purchasedCount = [defaults integerForKey:productIdentifier];//已购买数量
//            [[NSUserDefaults standardUserDefaults] setInteger:(purchasedCount+1) forKey:productIdentifier];
//        }else{
            [defaults setBool:YES forKey:productIdentifier];
//        }
        //在此处对购买记录进行存储，可以存储到开发商的服务器端
    }else{
        NSLog(@"购买失败，未通过验证！");
    }
}

// 已购商品
- (void)restoreTransaction:(SKPaymentTransaction *)transaction {
    // 对于已购商品，处理恢复购买的逻辑
    [[SKPaymentQueue defaultQueue] finishTransaction: transaction];
}

补充：01-测试时一定要在真机上测试，并且要先去设置中退出当前的appleID账号

02-沙盒的测试账号是没有金额限制的，可以无数次测试，刚开始的时候还担心会扣我的钱，实测不会的，请放心测试。

03-提交审核的时候不需要提供沙盒技术测试账号的，苹果有自己的测试账号。