iOS UITableViewCell上的双击事件

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {    tableSelection = indexPath;    tapCount++;    switch (tapCount)    {        case 1: //single tap            [self performSelector:@selector(singleTap) withObject: nil afterDelay: .4];            break;        case 2: //double tap            [NSObject cancelPreviousPerformRequestsWithTarget:self selector:@selector(singleTap) object:nil];            [self performSelector:@selector(doubleTap) withObject: nil];            break;        default:            break;    }}- (void)singleTap{    tapCount = 0;}- (void)doubleTap{    tapCount = 0;  ｝