unity中获取键盘响应值

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;

public  class  Test : MonoBehaviour{
   void  Update(){
      getKeyCode();       
   }
   public  void  getKeyCode(){
      if(Input.anyKeyDown){
        foreach(KeyCode keyCode in Enum.GetValues(typeof(KeyCode))){
             if(Input.GetKeyDown(keyCode))
                 Debug.Log(keyCode.toString());
        }
      }
   }
}