获取当前时区时间 iOS

- (NSString *)getLocalTimewithFormatter:(NSString *)formatter
{
    NSDateFormatter *myDateFormatter = [[NSDateFormatter alloc] init];
    if (formatter) {
        [myDateFormatter setDateFormat:formatter];
    } else {
        [myDateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
    }
    NSDate *date = [NSDate date];
    NSTimeZone *zone = [NSTimeZone systemTimeZone];
    NSInteger interval = [zone secondsFromGMTForDate: date];
    date = [date dateByAddingTimeInterval: interval];
    return [myDateFormatter stringFromDate:date];
}