iOS 點擊cell上的按鈕獲取行數

-(void)btnClick:(UIButton *)button{
    UITableViewCell *cell = (UITableViewCell *)[[button superview] superview];
    // 獲取cell的indexPath
    NSIndexPath *indexPath = [self.tableView indexPathForCell:cell];
    NSLog(@"點擊的是第%ld行按鈕",indexPath.row);
}