產生隨機亂數

using UnityEngine;
using System.Collections;
using UnityEngine.UI;


public class NewBehaviourScript : MonoBehaviour
{
    public Text my_text;
    public Button B;
    // Use this for initialization
    void Start()
    {

    }

    // Update is called once per frame
    void Update()
    {

    }

    public void myfun()
    {
        Text mytxt = GameObject.Find("Canvas/Panel/Text").GetComponent<Text>();
        mytxt.text = Random.Range(1, 4).ToString();
    }
}