text: //
  //  PreviewViewController.h
  //  quickLook
  //
  //  Created by 尹华东 on 2018/10/29.
  //  Copyright © 2018年 yinhuadong. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface PreviewViewController : UIViewController
  
  @end
  