IOS 某界面设为横屏

UIViewController *vc = [[UIViewController alloc] init];

[self presentViewController:vc animated:YES completion:nil];

横屏界面重写方法

- (BOOL)shouldAutorotate {

    return NO;

}

-(UIInterfaceOrientationMask)supportedInterfaceOrientations {

    return UIInterfaceOrientationMaskLandscape;

}

-(UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {

    return UIInterfaceOrientationLandscapeLeft;

}