text: //
  //  CommandProtocol.h
  //  MLDesignPatterns-OC
  //
  //  Created by mjpc on 2017/10/10.
  //  Copyright © 2017年 mali. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @protocol CommandProtocol <NSObject>
  
  @required
  /**
   执行指令
   */
  - (void)execute;
  
  
  @end
  