iOS中将个别页面强制横屏其他页面竖屏

- (NSUInteger)application:(UIApplication *)application supportedInterfaceOrientationsForWindow:(UIWindow *)window {   if (_allowRotation == 1) {     return UIInterfaceOrientationMaskLandscapeRight;   }   else   {     return (UIInterfaceOrientationMaskPortrait);   } }

(void)viewDidLoad { [super viewDidLoad]; AppDelegate * appDelegate = (AppDelegate *)[UIApplication sharedApplication].delegate; appDelegate.allowRotation = 1; }

AppDelegate *delegate = [[UIApplication sharedApplication]delegate];  delegate.allowRotation = 0;