NSNumberFormatter *nf = [[NSNumberFormatter alloc] init];
nf.numberStyle = kCFNumberFormatterRoundFloor;
NSString *string = [nf stringFromNumber:[NSNumber numberWithDouble:[price doubleValue]]];
NSLog(@"%@",string);
NSNumberFormatter *nf = [[NSNumberFormatter alloc] init];
nf.numberStyle = kCFNumberFormatterRoundFloor;
NSString *string = [nf stringFromNumber:[NSNumber numberWithDouble:[price doubleValue]]];
NSLog(@"%@",string);