using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using System;
public class ButtonContent : MonoBehaviour{
     public Button btn;
     void Start(){
         btn = GameObject.Find("填寫button名").getComponent<Button>(); //-----------(1)
         Text text = btn.transform.Find("Text").getComponent<Text>(); //------------(2)
         //或者吧（1）（2）合併成：
         //  Text text = GameObject.Find("填寫button名/Text").getComponent<Text>();
         Debug.Log(text.text.toString());
         //其實就一條語句
  //     Debug.Log(GameObject.Find("填寫button名/Text").getComponent<Text>().text.toString());
     }
}