从storyBoard中获取viewController

#pragma mark#pragma mark----------- getViewControllerFromstoryboard  //从storyBoard中获取viewController+ (UIViewController *)getViewControllerFromstoryboard:(NSString *)story WithRestorationID:(NSString *)identifier{    UIStoryboard *storyBoard = [UIStoryboard storyboardWithName:story bundle:nil];    return [storyBoard instantiateViewControllerWithIdentifier:identifier];}