UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapAction:)];

- (void)tapAction:(id)sender{

    UITapGestureRecognizer *tap = (UITapGestureRecognizer *)sender;

    UIView *view = tap.view;

    NSInteger num = view.tag;

    if (_delegate && [_delegate respondsToSelector:@selector(imgClickWtinTag:) ]) {

        [_delegate imgClickWtinTag:num];

    }

}