-(BOOL)putStringToItunes:(SKPaymentTransaction*)transaction

{

NSData * iapData = transaction.transactionReceipt;

NSString*encodingStr = [iapData base64EncodedString];

//    NSString *URL=@"https://sandbox.itunes.apple.com/verifyReceipt";

NSString *URL=@"https://buy.itunes.apple.com/verifyReceipt";

//https://buy.itunes.apple.com/verifyReceipt

NSMutableURLRequest *request = [[NSMutableURLRequestalloc] init];// autorelease];

[request setURL:[NSURL URLWithString:URL]];

[request setHTTPMethod:@"POST"];

//设置contentType

[request addValue:@"application/json"forHTTPHeaderField:@"Content-Type"];

//设置Content-Length

[request setValue:[NSStringstringWithFormat:@"%d", [encodingStr length]] forHTTPHeaderField:@"Content-Length"];

NSDictionary* body = [NSDictionary dictionaryWithObjectsAndKeys:encodingStr, @"receipt-data", nil];

SBJsonWriter *writer = [SBJsonWriternew];

[request setHTTPBody:[[writer stringWithObject:body] dataUsingEncoding:NSASCIIStringEncodingallowLossyConversion:YES]];

NSHTTPURLResponse *urlResponse=nil;

NSError *errorr=nil;

NSData *receivedData = [NSURLConnection sendSynchronousRequest:request

returningResponse:&urlResponse

error:&errorr];

//解析

NSString *results=[[NSString alloc]initWithBytes:[receivedData bytes] length:[receivedData length] encoding:NSUTF8StringEncoding];

NSLog(@"-验证结果-  %@",results);

NSDictionary*dic = [results JSONValue];

if([[dic objectForKey:@"status"] intValue]==0)

{

//注意，status=@"0" 是验证收据成功

return true;

}

returnfalse;

}