- (BOOL)gestureRecognizerShouldBegin:(UIGestureRecognizer *)gestureRecognizer{

    UIPanGestureRecognizer *pgr = (UIPanGestureRecognizer *)gestureRecognizer;
    
    if (fabs([pgr translationInView:self.superview].x)>fabs([pgr translationInView:self.superview].y)) {
        
///        NSLog(@"左右滑动");
        return YES;
        
    }else{
        
///        NSLog(@"上下滑动");
        return NO;
        
    }
    
    return NO;
}