首页 » iOS Swift只允许横屏

import UIKit

class ViewController: UIViewController {

    @IBOutlet weak var webview: UIWebView!

    override var shouldAutorotate: Bool { return true }

    override var preferredInterfaceOrientationForPresentation: UIInterfaceOrientation{
        return UIInterfaceOrientation.landscapeRight
    }

    override var supportedInterfaceOrientations: UIInterfaceOrientationMask{
        return [UIInterfaceOrientationMask.landscapeRight, UIInterfaceOrientationMask.landscapeLeft]
    }
    ...
}