UIGestureRecognizer与button冲突的处理

加上下面这个代理方法判断一下

#pragma mark UIGestureRecognizer Delegate-(BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch{    UIView *touchView = [touch view];    if ([touchView isKindOfClass:[UIButton class]]) {        return NO;    }    return YES;}