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以下代码适用于我向前和向后滑动页面(图像)的情况。 但是,我不知道怎么能够从上到下或从下到上?自上而下PageViewController
换句话说,当用户从上向下滑动时,图像将停留在屏幕的底部,然后第二个图像将会出现,等等。
self.pageViewController = [self.storyboard instantiateViewControllerWithIdentifier:@"PageViewController"];
self.pageViewController.dataSource = self;
self.pageViewController.delegate = self;
PageContentViewController *startingViewController = [self viewControllerAtIndex:0];
NSArray *viewControllers = @[startingViewController];
[self.pageViewController setViewControllers:viewControllers direction:UIPageViewControllerNavigationDirectionForward animated:NO completion:nil];