通过btn获取所在cell

[cell.btn addTarget:self action:@selector(cellBtnClicked:event:) forControlEvents:UIControlEventTouchUpInside];

 

- (void)cellBtnClicked:(id)sender event:(id)event

{

    NSSet *touches =[event allTouches];

    UITouch *touch =[touches anyObject];

    CGPoint currentTouchPosition = [touch locationInView:_tableView];

    NSIndexPath *indexPath= [_tableView indexPathForRowAtPoint:currentTouchPosition];

    if (indexPath!= nil)

    {

        // do something

    }

}