小賢的部落格

/**

 * 更換NavigationController 的Root

 */

public func replaceRootNavigationController(storyboardName: String, controllerType: UIViewController.Type)

{

    let navigationController = self

    let className = NSStringFromClass(controllerType).componentsSeparatedByString(".").last!

    let storyboard = UIStoryboard(name: storyboardName, bundle: NSBundle.mainBundle())

    let rootViewController = storyboard.instantiateViewControllerWithIdentifier(className)

    var viewControllers = navigationController.viewControllers

    viewControllers[0] = rootViewController

    navigationController.setViewControllers(viewControllers, animated: false)

}