MRClass/Assets/Scripts/Core/UI/View/LoadingView.cs

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

public class LoadingView : MonoBehaviour {


    private UnityEngine.UI.Text mText;
    private float shengyushijian;
    private void Awake()
    {
        mText = this.GetComponentInChildren<UnityEngine.UI.Text>();
    }

    private void OnEnable()
    {
        shengyushijian = 3f;
    }
    // Update is called once per frame
    void Update () {
        shengyushijian -= Time.deltaTime;
        if(mText != null)
            mText.text = ""+ Mathf.Floor(Mathf.Max(0, shengyushijian));
    }
}