text: //
  //  DPScreen.h
  //  zDesignPattern-OC
  //
  //  Created by zyh on 17/4/28.
  //  Copyright © 2017年 zyh. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface DPScreen : NSObject
  
  - (void)onClick;
  
  @end
  