- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
if ([scrollView isKindOfClass:[UITableView class]]) {
NSLog(@"TableView在滚动");
}else {
_menuView.selectedIndex = _backScrollView.contentOffset.x / SCREEN_WIDTH;
_menuView.currentItem = [_titleArr objectAtIndex:_backScrollView.contentOffset.x / SCREEN_WIDTH];
}
}