UILongPressGestureRecognizer *lpgr = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPress:)];    
        lpgr.minimumPressDuration = 1.0; //seconds  设置响应时间
        lpgr.delegate = self;    
        [mTableView addGestureRecognizer:lpgr];  //启用长按事件
        [lpgr release];

-(void)handleLongPress:(UILongPressGestureRecognizer *)gestureRecognizer    //长按响应函数
{
CGPoint p = [gestureRecognizer locationInView:mTableView ];

//if(gestureRecognizer.state == UIGestureRecognizerStateBegan)
//{
//NSLog(@"UIGestureRecognizerStateBegan");
//}
//else if(gestureRecognizer.state == UIGestureRecognizerStateEnded)
//{
//NSLog(@"UIGestureRecognizerStateEnded");
//}
//else if(gestureRecognizer.state == UIGestureRecognizerStateChanged)
//{
//NSLog(@"UIGestureRecognizerStateChanged");
//}
//else if(gestureRecognizer.state == UIGestureRecognizerStateCancelled)
//{
//NSLog(@"UIGestureRecognizerStateCancelled");
//}
//else if(gestureRecognizer.state ==UIGestureRecognizerStateFailed )
//{
//NSLog(@"UIGestureRecognizerStateFailed");
//}


NSIndexPath *indexPath = [mTableview indexPathForRowAtPoint:p];//获取响应的长按的indexpath
if (indexPath == nil)
NSLog(@"long press on table view but not on a row");
else
NSLog(@"long press on table view at row %d", indexPath.row);

}