关于内购的相关知识这里不做赘述，相关配置大家可以搜寻相关资料。这里主要对相关代码采用代理方式进行封装。
#import <Foundation/Foundation.h>
NS_ASSUME_NONNULL_BEGIN
typedef NS_ENUM(NSUInteger,IAPResultType) {
IAPResultSuccess = 0, // 购买成功
IAPResultFailed = 1, // 购买失败
IAPResultCancle = 2, // 取消购买
IAPResultVerFailed = 3, // 订单校验失败
IAPResultVerSuccess = 4, // 订单校验成功
IAPResultNotArrow = 5, // 不允许内购
IAPResultIDError = 6, // 项目ID错误
};
typedef void(^IAPCompletionHandle)(IAPResultType type,NSData *data);
@interface HZIAPManager : NSObject
+ (instancetype)shareIAPManager;
/**
开启内购
@param productID 内购项目的产品ID
@param handle 内购的结果回调
*/
- (void)startIAPWithProductID:(NSString *)productID completeHandle: (IAPCompletionHandle)handle;
@end
#import "HZIAPManager.h"
#import <StoreKit/StoreKit.h>
@interface HZIAPManager()<SKPaymentTransactionObserver,SKProductsRequestDelegate> {
NSString *_productID;
IAPCompletionHandle _handle;
}
@end
@implementation HZIAPManager
/**
单例模式
@return HZIAPManager
*/
+ (instancetype)shareIAPManager {
static HZIAPManager *IAPManager = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
IAPManager = [[HZIAPManager alloc] init];
});
return IAPManager;
}
- (instancetype)init {
if (self = [super init]) {
[[SKPaymentQueue defaultQueue] addTransactionObserver:self];
}
return self;
}
- (void)dealloc{
[[SKPaymentQueue defaultQueue] removeTransactionObserver:self];
}
#pragma mark -- Method
- (void)startIAPWithProductID:(NSString *)productID completeHandle: (IAPCompletionHandle)handle {
_handle = handle;
if(productID && productID.length > 0) {
if ([SKPaymentQueue canMakePayments]) {
// 允许内购
_productID = productID;
NSSet *set = [NSSet setWithObjects:productID, nil];
SKProductsRequest *request = [[SKProductsRequest alloc] initWithProductIdentifiers:set];
request.delegate = self;
// 获取内购项目信息
[request start];
} else {
// 不允许内购
[self handleActionWithType:IAPResultNotArrow data:nil];
}
} else {
NSLog(@"内购项目ID错误");
[self handleActionWithType:IAPResultIDError data:nil];
}
}
- (void)handleActionWithType:(IAPResultType)type data:(NSData *)data{
switch (type) {
case IAPResultSuccess:
NSLog(@"购买成功");
break;
case IAPResultFailed:
NSLog(@"购买失败");
break;
case IAPResultCancle:
NSLog(@"用户取消购买");
break;
case IAPResultVerFailed:
NSLog(@"订单校验失败");
break;
case IAPResultVerSuccess:
NSLog(@"订单校验成功");
break;
case IAPResultNotArrow:
NSLog(@"不允许程序内付费");
break;
default:
break;
}
if(_handle){
_handle(type,data);
}
}
#pragma mark -- SKProductsRequestDelegate
/**
收到产品信息的回调
@param request 请求的信息
@param response 返回的产品信息
*/
- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response {
// 商品所在数组
NSArray *productArr = response.products;
if (productArr.count > 0) {
SKProduct *product = nil;
for (SKProduct *p in productArr) {
if ([p.productIdentifier isEqualToString:_productID]) {
product = p;
break;
}
}
// 请求体
SKPayment *payMent = [SKPayment paymentWithProduct:product];
// 发起内购
[[SKPaymentQueue defaultQueue] addPayment:payMent];
} else {
[self handleActionWithType:IAPResultIDError data:nil];
}
}
#pragma mark -- SKPaymentTransactionObserver
- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray<SKPaymentTransaction *> *)transactions {
// 获取结果
// 验证成功与否都注销交易,否则会出现虚假凭证信息一直验证不通过,每次进程序都得输入苹果账号
for (SKPaymentTransaction *trans in transactions) {
switch (trans.transactionState) {
case SKPaymentTransactionStatePurchasing:
NSLog(@"商品添加进列表");
break;
case SKPaymentTransactionStatePurchased:
NSLog(@"交易完成");
[self completeTransaction:trans];
[[SKPaymentQueue defaultQueue] finishTransaction:trans];
break;
case SKPaymentTransactionStateFailed:
NSLog(@"交易失败");
[self failedTransaction:trans];
[[SKPaymentQueue defaultQueue] finishTransaction:trans];
break;
case SKPaymentTransactionStateRestored:
NSLog(@"已经购买过商品");
[[SKPaymentQueue defaultQueue] finishTransaction:trans]; //消耗型商品不用写
break;
case SKPaymentTransactionStateDeferred:
break;
default:
break;
}
}
}
/**
内购完成
@param transaction 内购项目体
*/
- (void) completeTransaction:(SKPaymentTransaction *)transaction {
NSString * productIdentifier = transaction.payment.productIdentifier;
NSURL *recepitURL = [[NSBundle mainBundle] appStoreReceiptURL];
NSData *receipt = [NSData dataWithContentsOfURL:recepitURL];
if ([productIdentifier length] > 0 && !receipt) {
// 向自己的服务器验证购买凭证
}
// 自己向苹果发送验证
[self verifyPurchaseWithPaymentTransaction:transaction isTestServer:NO];
}
- (void)verifyPurchaseWithPaymentTransaction:(SKPaymentTransaction *)transaction isTestServer:(BOOL)flag{
//交易验证
NSURL *recepitURL = [[NSBundle mainBundle] appStoreReceiptURL];
NSData *receipt = [NSData dataWithContentsOfURL:recepitURL];
NSError *error;
NSDictionary *requestContents = @{@"receipt-data": [receipt base64EncodedStringWithOptions:0]};
NSData *requestData = [NSJSONSerialization dataWithJSONObject:requestContents options:0 error:&error];
if (!requestData) { // 交易凭证为空验证失败
[self handleActionWithType:IAPResultVerFailed data:nil];
return;
}
//In the test environment, use https://sandbox.itunes.apple.com/verifyReceipt
//In the real environment, use https://buy.itunes.apple.com/verifyReceipt
NSString *serverString = @"https://buy.itunes.apple.com/verifyReceipt";
if (flag) {
serverString = @"https://sandbox.itunes.apple.com/verifyReceipt";
}
NSURL *storeURL = [NSURL URLWithString:serverString];
NSMutableURLRequest *storeRequest = [NSMutableURLRequest requestWithURL:storeURL];
[storeRequest setHTTPMethod:@"POST"];
[storeRequest setHTTPBody:requestData];
storeRequest.timeoutInterval = 20;
[storeRequest addValue:@"application/json;charset=utf-8" forHTTPHeaderField:@"Content-Type"];
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *task = [session dataTaskWithRequest:storeRequest completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
if (error) {
// 无法连接服务器,购买校验失败
[self handleActionWithType:IAPResultVerFailed data:nil];
} else {
NSError *error;
NSDictionary *jsonResponse = [NSJSONSerialization JSONObjectWithData:data options:0 error:&error];
if (!jsonResponse) {
// 苹果服务器校验数据返回为空校验失败
[self handleActionWithType:IAPResultVerFailed data:nil];
}
// 先验证正式服务器,如果正式服务器返回21007再去苹果测试服务器验证,沙盒测试环境苹果用的是测试服务器
NSString *status = [NSString stringWithFormat:@"%@",jsonResponse[@"status"]];
if (status && [status isEqualToString:@"21007"]) {
[self verifyPurchaseWithPaymentTransaction:transaction isTestServer:YES];
}else if(status && [status isEqualToString:@"0"]){
[self handleActionWithType:IAPResultVerSuccess data:nil];
}
}
}];
[task resume];
}
/**
交易失败
@param transaction 内购项目体
*/
- (void)failedTransaction:(SKPaymentTransaction *)transaction{
if (transaction.error.code != SKErrorPaymentCancelled) {
[self handleActionWithType:IAPResultFailed data:nil];
}else{
[self handleActionWithType:IAPResultCancle data:nil];
}
}
@end
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