加链接，文件位置

Assets/Scripts/UI/Prefab/Race/RaceScript.cs

@@ -0,0 +1,82 @@
+using Assets.Scripts;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class RaceScript : PFUIPanel
+{
+    // Start is called before the first frame update
+    protected Transform currentItem { get; set; }
+    protected void StartTime() 
+    {
+        timerFlag = true;
+        StartCoroutine(Timer());
+    }
+    protected void StopTime() 
+    {
+        timerFlag = false;
+    }
+    /// <summary>
+    /// 通过消息调用，子给父传
+    /// </summary>
+    /// <param name="t"></param>
+    public void SetCurrentItem(Transform t) 
+    {
+        currentItem = t;
+        HandleTime();
+        if (t != null)
+        {
+            StartTime();
+        }
+        else 
+        {
+            StopTime();
+        }
+    }
+    /*参考代码
+ var second = Math.Ceiling((Now - mapCompetition.StartTime.ToLocalTime()).TotalSeconds);
+
+                var ts = TimeSpan.FromSeconds(second);
+                return $"{ (int)ts.TotalHours }:{ts:mm}:{ts:ss}";*/
+    private bool timerFlag = false;
+    IEnumerator Timer()
+    {
+        while (timerFlag)
+        {
+            yield return new WaitForSeconds(1.0f); // 停止执行1秒
+            HandleTime();
+            //time = UIManager.Now.GetDateTime().AddSeconds(1);
+        }
+    }
+    private void HandleTime()
+    {
+        if (currentItem != null && currentItem.Find("GetReadyContainer").gameObject.activeSelf)
+        {
+            var map = currentItem.GetComponent<RaceItemScript>().mapCompetition;
+            var time = map.StartTime.ToLocalTime() - UIManager.Now.GetDateTime();
+            if (time.TotalSeconds < 0)
+            {
+                currentItem.Find("GetReadyContainer").GetComponent<CanvasGroup>().alpha = 0;
+            }
+            else
+            {
+                currentItem.Find("GetReadyContainer").GetComponent<CanvasGroup>().alpha = 1;
+                currentItem.Find("GetReadyContainer/Value").GetComponent<Text>().text
+                    = Utils.GetCountDown(time);
+            }
+
+        }
+    }
+
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+}