最全的內(nèi)購圖文教程，首先是填各種資料，最后是代碼，廢話不多說，直接上圖

======================第一部分協(xié)議===============

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CNAPS CODE 查詢地址：
https://e.czbank.com/CORPORBANK/query_unionBank_index.jsp

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=============第二部分創(chuàng)建內(nèi)購項目============

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===========第三部分貼加內(nèi)購項目測試賬號==========

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=============第四部分主要實現(xiàn)代碼==========

首先導入StoreKit.framework庫

• .h文件

#import <StoreKit/StoreKit.h>

enum{
IAP0p20=20,
IAP1p100,
IAP4p600,
IAP9p1000,
IAP24p6000,
}buyCoinsTag;

//代理
@interface RechargeVC : UIViewController <SKPaymentTransactionObserver,SKProductsRequestDelegate >

{
int buyType;
}

- (void) requestProUpgradeProductData;

-(void)RequestProductData;

-(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

• .m文件

#import "RechargeVC.h"

//在內(nèi)購項目中創(chuàng)的商品單號
#define ProductID_IAP0p20 @"Nada.JPYF01"http://20
#define ProductID_IAP1p100 @"Nada.JPYF02" //100
#define ProductID_IAP4p600 @"Nada.JPYF03" //600
#define ProductID_IAP9p1000 @"Nada.JPYF04" //1000
#define ProductID_IAP24p6000 @"Nada.JPYF05" //6000

@interface RechargeVC ()

@end

@implementation RechargeVC

- (void)viewDidLoad {

    [super viewDidLoad];

    [[SKPaymentQueue defaultQueue] addTransactionObserver:self];
    [self buy:IAP0p20];

}

-(void)buy:(int)type
{
    buyType = type;
    if ([SKPaymentQueue canMakePayments]) {
    [self RequestProductData];
    NSLog(@"允許程序內(nèi)付費購買");
}
else
{
    NSLog(@"不允許程序內(nèi)付費購買");
    UIAlertView *alerView =  [[UIAlertView alloc] initWithTitle:@"提示"
    message:@"您的手機沒有打開程序內(nèi)付費購買"
    delegate:nil cancelButtonTitle:NSLocalizedString(@"關閉",nil) otherButtonTitles:nil];

    [alerView show];

    }
}

-(void)RequestProductData
{
    NSLog(@"---------請求對應的產(chǎn)品信息------------");
    NSArray *product = nil;
    switch (buyType) {
        case IAP0p20:
        product=[[NSArray alloc] initWithObjects:ProductID_IAP0p20,nil];
        break;
        case IAP1p100:
        product=[[NSArray alloc] initWithObjects:ProductID_IAP1p100,nil];
        break;
        case IAP4p600:
        product=[[NSArray alloc] initWithObjects:ProductID_IAP4p600,nil];
        break;
        case IAP9p1000:
        product=[[NSArray alloc] initWithObjects:ProductID_IAP9p1000,nil];
        break;
        case IAP24p6000:
        product=[[NSArray alloc] initWithObjects:ProductID_IAP24p6000,nil];
        break;

        default:
        break;
}
    NSSet *nsset = [NSSet setWithArray:product];
    SKProductsRequest *request=[[SKProductsRequest alloc] initWithProductIdentifiers: nsset];
    request.delegate=self;
    [request start];

}

//<SKProductsRequestDelegate> 請求協(xié)議
//收到的產(chǎn)品信息
- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response{

    NSLog(@"-----------收到產(chǎn)品反饋信息--------------");
    NSArray *myProduct = response.products;
    NSLog(@"產(chǎn)品Product ID:%@",response.invalidProductIdentifiers);
    NSLog(@"產(chǎn)品付費數(shù)量: %d", (int)[myProduct count]);
    // populate UI
    for(SKProduct *product in myProduct){
    NSLog(@"product info");
    NSLog(@"SKProduct 描述信息%@", [product description]);
    NSLog(@"產(chǎn)品標題 %@" , product.localizedTitle);
    NSLog(@"產(chǎn)品描述信息: %@" , product.localizedDescription);
    NSLog(@"價格: %@" , product.price);
    NSLog(@"Product id: %@" , product.productIdentifier);
}
    SKPayment *payment = nil;
    switch (buyType) {
        case IAP0p20:
        payment  = [SKPayment paymentWithProductIdentifier:ProductID_IAP0p20];    //支付25
        break;
        case IAP1p100:
        payment  = [SKPayment paymentWithProductIdentifier:ProductID_IAP1p100];    //支付108
        break;
        case IAP4p600:
        payment  = [SKPayment paymentWithProductIdentifier:ProductID_IAP4p600];    //支付618
        break;
        case IAP9p1000:
        payment  = [SKPayment paymentWithProductIdentifier:ProductID_IAP9p1000];    //支付1048
        break;
        case IAP24p6000:
        payment  = [SKPayment paymentWithProductIdentifier:ProductID_IAP24p6000];    //支付5898
        break;
        default:
        break;
}
    NSLog(@"---------發(fā)送購買請求------------");
    [[SKPaymentQueue defaultQueue] addPayment:payment];

}
- (void)requestProUpgradeProductData
{
    NSLog(@"------請求升級數(shù)據(jù)---------");
    NSSet *productIdentifiers = [NSSet setWithObject:@"com.productid"];
    SKProductsRequest* productsRequest = [[SKProductsRequest alloc] initWithProductIdentifiers:productIdentifiers];
    productsRequest.delegate = self;
    [productsRequest start];

}
//彈出錯誤信息
- (void)request:(SKRequest *)request didFailWithError:(NSError *)error{
    NSLog(@"-------彈出錯誤信息----------");
    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(@"----------反饋信息結(jié)束--------------");

}

-(void) PurchasedTransaction: (SKPaymentTransaction *)transaction{
    NSLog(@"-----PurchasedTransaction----");
    NSArray *transactions =[[NSArray alloc] initWithObjects:transaction, nil];
    [self paymentQueue:[SKPaymentQueue defaultQueue] updatedTransactions:transactions];
}

//<SKPaymentTransactionObserver> 千萬不要忘記綁定，代碼如下：
//----監(jiān)聽購買結(jié)果
//[[SKPaymentQueue defaultQueue] addTransactionObserver:self];

- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions//交易結(jié)果
{
    NSLog(@"-----paymentQueue--------");
    for (SKPaymentTransaction *transaction in transactions)
    {
        switch (transaction.transactionState)
        {
            case SKPaymentTransactionStatePurchased:{//交易完成
            [self completeTransaction:transaction];
            NSLog(@"-----交易完成 --------");

            UIAlertView *alerView =  [[UIAlertView alloc] initWithTitle:@""
            message:@"購買成功"
            delegate:nil cancelButtonTitle:NSLocalizedString(@"關閉",nil) otherButtonTitles:nil];

            [alerView show];

        } break;
        case SKPaymentTransactionStateFailed://交易失敗
            { [self failedTransaction:transaction];
            NSLog(@"-----交易失敗 --------");
            UIAlertView *alerView2 =  [[UIAlertView alloc] initWithTitle:@"提示"
            message:@"購買失敗，請重新嘗試購買"
            delegate:nil cancelButtonTitle:NSLocalizedString(@"關閉",nil) otherButtonTitles:nil];

            [alerView2 show];

        }break;
        case SKPaymentTransactionStateRestored://已經(jīng)購買過該商品
            [self restoreTransaction:transaction];
            NSLog(@"-----已經(jīng)購買過該商品 --------");
            case SKPaymentTransactionStatePurchasing:      //商品添加進列表
            NSLog(@"-----商品添加進列表 --------");
            break;
            default:
            break;
        }
    }
}
- (void) completeTransaction: (SKPaymentTransaction *)transaction

{
    NSLog(@"-----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];

}

//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");
    if (transaction.error.code != SKErrorPaymentCancelled)
    {

    }
    [[SKPaymentQueue defaultQueue] finishTransaction: transaction];

}
-(void) paymentQueueRestoreCompletedTransactionsFinished: (SKPaymentTransaction *)transaction{

}

- (void) restoreTransaction: (SKPaymentTransaction *)transaction
{
    NSLog(@" 交易恢復處理");

}

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

#pragma mark connection delegate
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
    NSLog(@"%@",  [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]);
}
- (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];//解除監(jiān)聽

}

@end