更新页面，目前是强制更新

Assets/Scripts/UI/Prefab/Update/DownloadController.cs

@@ -0,0 +1,138 @@
+using Assets.Scripts;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+using UnityEngine;
+using UnityEngine.Networking;
+using UnityEngine.UI;
+
+public class DownloadController : PFUIPanel
+{
+    // Start is called before the first frame update
+    Transform Button,Loading,Exit;
+    ScrollRect scroll;
+    string path;
+    [SerializeField] Transform log;
+    void Start()
+    {
+        Button = transform.Find("Panel/BtnConfirm");
+        Loading = transform.Find("Panel/LoadingContainer");
+        scroll = transform.Find("Panel/Scroll View").GetComponent<ScrollRect>();
+        Exit = transform.Find("Panel/Exit");
+        UIManager.AddEvent(Exit.gameObject, UnityEngine.EventSystems.EventTriggerType.PointerClick, (b) =>
+        {
+            Utils.showToast(gameObject, "Please update to the latest version.");
+        });
+        SetType(false);
+        //Button.GetComponent<Button>().enabled = false;
+        //Button.GetComponent<Button>().interactable = false;
+        path = Application.persistentDataPath + "/PowerFun.exe";
+        UIManager.AddEvent(Button.gameObject, UnityEngine.EventSystems.EventTriggerType.PointerClick, (b) =>
+         {
+             Application.Quit();
+             Utils.ExecFile(path);
+         });
+        //transform
+        if (App.UpdateObject != null) 
+        {
+            StartCoroutine(DownLoadExe(App.UpdateObject.Url, path, (a, b, isComplete) =>
+            {
+                transform.Find("Panel/LoadingContainer/Text").GetComponent<Text>().text = $"Downloaded {a.ToString("#0")}M / {b.ToString("#0")}M";// string.Format(, a, b);
+                transform.Find("Panel/LoadingContainer/Loading").GetComponent<Image>().fillAmount = (float)(a / b);
+                if (isComplete)
+                {
+                    SetType(true);
+                    PlayerPrefs.SetString("exeVersion", App.UpdateObject.Code);
+                    new FileInfo(path + ".pfdownload").MoveTo(path);
+                }
+            }));
+            for (var i = 0; i < App.UpdateObject.UpdateLog.Count; i++) 
+            {
+                var newLog = Instantiate<Transform>(log);
+                newLog.GetComponent<DownloadLog>().Initial(App.UpdateObject.UpdateLog[i]);
+                if (i == App.UpdateObject.UpdateLog.Count - 1) 
+                {
+                    newLog.GetComponent<DownloadLog>().HideLine();
+                }
+                newLog.SetParent(scroll.content);
+                newLog.localScale = Vector3.one;
+            }
+        }
+    }
+    /*下载文件*/
+    IEnumerator DownLoadExe(string url, string desFileName, Action<double, double, bool> OnDownloadProgressEvent)
+    {
+        string version = null;
+        if (App.UpdateObject != null)
+        {
+            version = App.UpdateObject.Code;
+        }
+        if (File.Exists(desFileName))
+        {
+            //if(PlayerPrefs.GetString("exeVersion")==)
+            if (version == null)
+            {
+                yield break;
+            }
+            else
+            {
+                if (version == PlayerPrefs.GetString("exeVersion"))
+                {
+                    Application.Quit();
+                    Utils.ExecFile(desFileName);
+                    yield break;
+                }
+                else
+                {
+                    File.Delete(desFileName);
+                }
+            }
+
+            //File.Delete(desFileName);
+        }
+        if (File.Exists(desFileName + ".pfdownload"))
+        {
+            File.Delete(desFileName + ".pfdownload");
+        }
+        HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
+        request.Timeout = 5000;
+        WebResponse response = request.GetResponse();
+        //UnityWebRequest request = UnityWebRequest.Get(url);
+        //yield return request.SendWebRequest();
+        int packLength = 1024 * 20;
+        int nReadSize = 0;
+        byte[] nbytes = new byte[packLength];
+        double dDownloadedLength = 0, dTotalLength = 0;
+        long countLength = response.ContentLength;
+        using (FileStream fs = new FileStream(desFileName + ".pfdownload", FileMode.Create))
+        using (Stream netStream = response.GetResponseStream())
+        {
+            nReadSize = netStream.Read(nbytes, 0, packLength);
+            while (nReadSize > 0)
+            {
+                fs.Write(nbytes, 0, nReadSize);
+                nReadSize = netStream.Read(nbytes, 0, packLength);
+                dDownloadedLength = fs.Length * 1.0 / (1024 * 1024);
+                dTotalLength = countLength * 1.0 / (1024 * 1024);
+                OnDownloadProgressEvent.Invoke(dDownloadedLength, dTotalLength, false);
+                //string ss = string.Format("已下载 {0:F}M / {1:F}M", dDownloadedLength, dTotalLength);
+                //Debug.Log(ss);
+                yield return null;
+            }
+        }
+        OnDownloadProgressEvent.Invoke(dDownloadedLength, dTotalLength, true);
+    }
+    void SetType(bool f) 
+    {
+        // true 显示 button false 显示loading
+        Button.gameObject.SetActive(f);
+        Loading.gameObject.SetActive(!f);
+    }
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+}

Assets/Scripts/UI/Prefab/Update/DownloadController.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 3722db1a87877f9458f6932efd042b51
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/UI/Prefab/Update/DownloadLog.cs

@@ -0,0 +1,32 @@
+using Assets.Scripts.Apis.Models;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Text;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class DownloadLog : MonoBehaviour
+{
+    // Start is called before the first frame update
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+    public void Initial(VersionModel version)
+    {
+        transform.Find("Version").GetComponent<Text>().text = version.Version;
+        transform.Find("Content").GetComponent<Text>().text = version.Desc;
+    }
+
+    public void HideLine()
+    {
+        transform.Find("Image").gameObject.SetActive(false);
+    }
+}

Assets/Scripts/UI/Prefab/Update/DownloadLog.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 8e370f7cb0f6c044f90aed68484553f1
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: