In App Purchase(应用内购)

最近刚好在弄In App Purchase这个，自己简单总结了下，下面主要是对代码的部分的，ItunesConnect部分的网上好多有，不懂得可以问我。下面是内购demo，大家用自己的测试账号，里面换上对应的产品ID和和你们项目BundleID就行

//

//  ViewController.m

//  plus

//

//  Created by huangzhiwu on 16/3/31.

//  Copyright © 2016年 huangzhiwu. All rights reserved.

//

#import "ViewController.h"

@interface
ViewController ()

@property(strong,nonatomic)SKPaymentTransaction *tran;

@property(strong,nonatomic)NSArray *products;

@property(strong,nonatomic)NSArray *btns;

@property(assign,nonatomic)int i;

@end

@implementation ViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

    self = [super
initWithNibName:nibNameOrNil
bundle:nibBundleOrNil];

    if (self) {

        // Custom initialization

        for (int i = 0; i <
self.btns.count; i++) {

            UIButton *btn =
self.btns[i];

            btn.tag = i;

        }

    }

    return
self;

}

//

- (NSArray *)products {

    if (_products ==
nil) {

        _products = @[@"com.pathinput.plus",@"com.pathinput.plus.skin2",@"com.pathinput.plus.skin3"];

    }

    return
_products;

}

- (NSArray *)btns {

    if (_btns ==
nil) {

        _btns = @[self.purchase,self.purchase2,self.purchase3];

    }

    return _btns;

}

- (void)viewDidLoad

{

    for (int i = 0; i <
self.btns.count; i++) {

        UIButton *btn =
self.btns[i];

        btn.tag = i;

    }

    [super
viewDidLoad];

    [[SKPaymentQueue
defaultQueue] addTransactionObserver:self];

}

//点击购买

- (IBAction)purchaseFunc:(UIButton*)sender {

    if ([sender.titleLabel.text
isEqualToString:@"已购买"]) {

            UIAlertController *alertController =  [UIAlertController
alertControllerWithTitle:nil
message: NSLocalizedString(@"您已经购买",
nil)
preferredStyle:UIAlertControllerStyleAlert];

            UIAlertAction *cancelAction = [UIAlertAction
actionWithTitle:NSLocalizedString(@"好",
nil)style:UIAlertActionStyleDefault
handler:nil];

            [alertController addAction:cancelAction];

            [self
presentViewController:alertController animated:YES
completion:nil];

        return;

    }

    

    self.i = (int)sender.tag;

    self.productID.text =
nil;

   self.productID.text =
self.products[sender.tag];

   
//判断能不能购买

    if([SKPaymentQueue
canMakePayments]){

        [self
requestProductData:self.productID.text];

    }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];

    

    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:%ld",[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);

}

//信息结束

- (void)requestDidFinish:(SKRequest *)request{

    NSLog(@"------------反馈信息结束-----------------");

}

-(void) PurchasedTransaction: (SKPaymentTransaction *)transaction{

    NSLog(@"-----PurchasedTransaction----");

    NSArray *transactions =[[NSArray
alloc] initWithObjects:transaction,
nil];

    [self
paymentQueue:[SKPaymentQueue
defaultQueue] updatedTransactions:transactions];

}

//监听购买结果

- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transaction{

    for(SKPaymentTransaction *tran
in transaction){

          NSString *product = tran.payment.productIdentifier;

       

        switch (tran.transactionState) {

            case
SKPaymentTransactionStatePurchased:

//               NSLog(@"购买成功");

              self.tran = tran;

                 NSLog(@"========%@",product);

                [self
susscess:self.i];

                break;

            case
SKPaymentTransactionStatePurchasing:

                NSLog(@"商品添加进列表");

                

                break;

            case
SKPaymentTransactionStateRestored:

                NSLog(@"已经购买过商品");

                NSLog(@"========%@",product);

                for (
int i = 0 ; i < self.btns.count; i++) {

                    if ([product
isEqualToString:self.products[i]]) {

                        [self.btns[i]
setTitle:@"已购买"
forState:0];

                    }

                }

                

                

                break;

            case
SKPaymentTransactionStateFailed:

                NSLog(@"交易失败");

                [self
failedTransaction:tran];

                

                break;

            default:

                break;

        }

    }

}

- (void)susscess:(int)i{

//    UIAlertController *alertController =  [UIAlertController alertControllerWithTitle:nil message: NSLocalizedString(@"确定购买", nil) preferredStyle:UIAlertControllerStyleAlert];

//    UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"好", nil)style:UIAlertActionStyleDefault handler:nil];

//    [alertController addAction:cancelAction];

//    [self presentViewController:alertController animated:YES completion:nil];

    [self.btns[i]
setTitle:@"已购买"
forState:0];

}

//点击恢复内购

- (IBAction)recover:(UIButton *)sender {

  //  [self restoreTransaction:self.tran];

    [[SKPaymentQueue
defaultQueue]restoreCompletedTransactions];

}

//记录交易

-(void)recordTransaction:(NSString *)product{

    NSLog(@"-----记录交易--------");

}

//处理下载内容

-(void)provideContent:(NSString *)product{

    NSLog(@"-----下载--------");

}

//恢复设置

- (void)restoreTransaction:(SKPaymentTransaction *)transaction

{

    NSLog(@"
交易恢复处理");

    [[SKPaymentQueue
defaultQueue]finishTransaction:transaction];

    

}

//交易失败处理

- (void) failedTransaction: (SKPaymentTransaction *)transaction{

    NSLog(@"失败");

    if (transaction.error.code !=
SKErrorPaymentCancelled)

    {

        

    }

    [[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:kSandboxVerifyURL];

//    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(@"%@",dic);

//    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:kProductID3]) {

//            int purchasedCount=[defaults integerForKey:productIdentifier];//已购买数量

//            [[NSUserDefaults standardUserDefaults] setInteger:(purchasedCount+1) forKey:productIdentifier];

//        }else{

//            [defaults setBool:YES forKey:productIdentifier];

//        }

//        [self.tableView reloadData];

//        //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！");

//    }

}

- (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];

    

}

//交易结束

//- (void)completeTransaction:(SKPaymentTransaction *)transaction{

//    NSLog(@"交易结束");

//   

//}

//解除监听

- (void)dealloc{

    [[SKPaymentQueue
defaultQueue] removeTransactionObserver:self];

   // [super dealloc];

}

@end