#pragma mark -
#pragma mark ==============滑动处理==============
-(void)scrollViewDidScroll:(UIScrollView *)scrollView{
CGPoint point = [scrollView.panGestureRecognizertranslationInView:self.view];
if (point.y >0 ) {
NSLog(@"------往上滚动");
}else{
NSLog(@"------往下滚动");
}
}