详解iOS应用程序内购/内付费(一)

// 
// PaymentViewController.h 
// IAPPayTest 
// 
// Created by silicon on 14-10-28. 
// Copyright (c) 2014年 silicon. All rights reserved. 
// 
 
#import <UIKit/UIKit.h> 
 
#import <StoreKit/StoreKit.h> 
 
@interface PaymentViewController : UIViewController<SKPaymentTransactionObserver,SKProductsRequestDelegate> 
 
@property (strong, nonatomic) IBOutlet UITextField *productID; 
 
@property (strong, nonatomic) IBOutlet UIButton *purchase; 
 
- (IBAction)purchaseFunc:(id)sender; 
 
@end 

// 
// PaymentViewController.m 
// IAPPayTest 
// 
// Created by silicon on 14-10-28. 
// Copyright (c) 2014年 silicon. All rights reserved. 
// 
 
#import "PaymentViewController.h" 
 
@interface PaymentViewController () 
 
@end 
 
@implementation PaymentViewController 
 
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil 
{ 
  self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; 
  if (self) { 
    // Custom initialization 
  } 
  return self; 
} 
 
- (void)viewDidLoad 
{ 
  [super viewDidLoad]; 
  // Do any additional setup after loading the view from its nib. 
   
  [[SKPaymentQueue defaultQueue] addTransactionObserver:self]; 
  self.productID.text = @"com.games.ztyxs.product_point.1"; 
} 
 
- (void)didReceiveMemoryWarning 
{ 
  [super didReceiveMemoryWarning]; 
  // Dispose of any resources that can be recreated. 
} 
 
- (IBAction)purchaseFunc:(id)sender { 
  NSString *product = self.productID.text; 
  if([SKPaymentQueue canMakePayments]){ 
    [self requestProductData:product]; 
  }else{ 
    NSLog(@"不允许程序内付费"); 
  } 
} 
 
//请求商品 
- (void)requestProductData:(NSString *)type{ 
  NSLog(@"-------------请求对应的产品信息----------------"); 
  NSArray *product = [[NSArray alloc] initWithObjects:type, nil nil]; 
 
  NSSet *nsset = [NSSet setWithArray:product]; 
  SKProductsRequest *request = [[SKProductsRequest alloc] initWithProductIdentifiers:nsset]; 
  request.delegate = self; 
  [request start]; 
   
} 
 
//收到产品返回信息 
- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response{ 
 
  NSLog(@"--------------收到产品反馈消息---------------------"); 
  NSArray *product = response.products; 
  if([product count] == 0){ 
    NSLog(@"--------------没有商品------------------"); 
    return; 
  } 
   
  NSLog(@"productID:%@", response.invalidProductIdentifiers); 
  NSLog(@"产品付费数量:%d",[product count]); 
   
  SKProduct *p = nil; 
  for (SKProduct *pro in product) { 
    NSLog(@"%@", [pro description]); 
    NSLog(@"%@", [pro localizedTitle]); 
    NSLog(@"%@", [pro localizedDescription]); 
    NSLog(@"%@", [pro price]); 
    NSLog(@"%@", [pro productIdentifier]); 
     
    if([pro.productIdentifier isEqualToString:self.productID.text]){ 
      p = pro; 
    } 
  } 
   
  SKPayment *payment = [SKPayment paymentWithProduct:p]; 
   
  NSLog(@"发送购买请求"); 
  [[SKPaymentQueue defaultQueue] addPayment:payment]; 
} 
 
//请求失败 
- (void)request:(SKRequest *)request didFailWithError:(NSError *)error{ 
  NSLog(@"------------------错误-----------------:%@", error); 
} 
 
- (void)requestDidFinish:(SKRequest *)request{ 
  NSLog(@"------------反馈信息结束-----------------"); 
} 
 
 
//监听购买结果 
- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transaction{ 
  for(SKPaymentTransaction *tran in transaction){ 
     
    switch (tran.transactionState) { 
      case SKPaymentTransactionStatePurchased: 
        NSLog(@"交易完成"); 
         
        break; 
      case SKPaymentTransactionStatePurchasing: 
        NSLog(@"商品添加进列表"); 
         
        break; 
      case SKPaymentTransactionStateRestored: 
        NSLog(@"已经购买过商品"); 
       
        break; 
      case SKPaymentTransactionStateFailed: 
        NSLog(@"交易失败"); 
         
        break; 
      default: 
        break; 
    } 
  } 
} 
 
//交易结束 
- (void)completeTransaction:(SKPaymentTransaction *)transaction{ 
  NSLog(@"交易结束"); 
   
  [[SKPaymentQueue defaultQueue] finishTransaction:transaction]; 
} 
 
 
- (void)dealloc{ 
  [[SKPaymentQueue defaultQueue] removeTransactionObserver:self]; 
  [super dealloc]; 
} 
 
@end 

//交易结束 
- (void)completeTransaction:(SKPaymentTransaction *)transaction{ 
  NSLog(@"交易结束"); 
  //交易验证 
  NSURL *recepitURL = [[NSBundle mainBundle] appStoreReceiptURL]; 
  NSData *receipt = [NSData dataWithContentsOfURL:recepitURL]; 
   
  if(!receipt){ 
     
  } 
   
  NSError *error; 
  NSDictionary *requestContents = @{ 
                   @"receipt-data": [receipt base64EncodedStringWithOptions:0] 
                   }; 
  NSData *requestData = [NSJSONSerialization dataWithJSONObject:requestContents 
                             options:0 
                              error:&error]; 
   
  if (!requestData) { /* ... Handle error ... */ } 
   
  //In the test environment, use https://sandbox.itunes.apple.com/verifyReceipt 
  //In the real environment, use https://buy.itunes.apple.com/verifyReceipt 
  // Create a POST request with the receipt data. 
  NSURL *storeURL = [NSURL URLWithString:@"https://buy.itunes.apple.com/verifyReceipt"]; 
  NSMutableURLRequest *storeRequest = [NSMutableURLRequest requestWithURL:storeURL]; 
  [storeRequest setHTTPMethod:@"POST"]; 
  [storeRequest setHTTPBody:requestData]; 
   
  // Make a connection to the iTunes Store on a background queue. 
  NSOperationQueue *queue = [[NSOperationQueue alloc] init]; 
  [NSURLConnection sendAsynchronousRequest:storeRequest queue:queue 
              completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) { 
                if (connectionError) { 
                  /* ... Handle error ... */ 
                } else { 
                  NSError *error; 
                  NSDictionary *jsonResponse = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error]; 
                  if (!jsonResponse) { /* ... Handle error ...*/ } 
                  /* ... Send a response back to the device ... */ 
                  //Parse the Response 
                } 
              }]; 
 
   
   
  [[SKPaymentQueue defaultQueue] finishTransaction:transaction]; 
}