一、分組（網(wǎng)上教程一大堆）

二、構(gòu)建

? ? ? ? 構(gòu)建前設(shè)置：

? ? ? ? ? ? ? ? 1、分組設(shè)置。所有組做遠(yuǎn)端構(gòu)建加載選擇，RemoteBuildPath 。RemoteLoadPath

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? ? ? ? ? ? ? ? 2、AddressableAssetSettings設(shè)置

? ? ? ? ?3、構(gòu)建

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?三、導(dǎo)出信息分析：

? ? ? ? 1、Assets同級(jí)目錄下，ServerData內(nèi)，包含所有所需文件。

? ? ? ? 2、對(duì)應(yīng)平臺(tái)下。catalog.hash和catalog.json為版本檢測(cè)和資源記錄文件。其他為AB包。

? ? ? ? 3、Assets/AddressableAssetsData/Android下為熱更記錄文件，打熱更包所需。

四、打熱更包：

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? ? ? ? 選擇上述三、3的文件。更新后ServerData下catalog和修改的AB發(fā)生變化。

五、地址重定向：

Addressables.ResourceManager.InternalIdTransformFunc = LoadFunc;

public static bool CustomNet { get; private set; }
    public static string VersionURL;
    public static string AddressURL;
    private static string OldUrl = "http://localhost/";
    /// <summary>
    /// 設(shè)置熱更地址
    /// </summary>
    /// <param name="_versionUrl">版本地址</param>
    /// <param name="_addressUrl">資源地址</param>
    public static void SetCustomAddress(string _versionUrl, string _addressUrl)
    {
        CustomNet = true;
        VersionURL = _versionUrl;
        AddressURL = _addressUrl;
#if UNITY_EDITOR
        UnityEngine.Debug.Log("設(shè)置版本地址：" + VersionURL);
        UnityEngine.Debug.Log("設(shè)置資源地址地址：" + AddressURL);
#endif
        Addressables.ResourceManager.InternalIdTransformFunc = LoadFunc;
    }

    private static string LoadFunc(IResourceLocation location)
    {
        if (location.ResourceType == typeof(IAssetBundleResource) && location.InternalId.StartsWith("http"))
        {
            string abAddress = location.InternalId.Replace(OldUrl, AddressURL);
            return abAddress;   
        }
        return location.InternalId;
    }

?六、熱更，創(chuàng)建服務(wù)器，把ServerData/Android放上去。即可熱更。

? ? ? ? 1、熱更下載的catalog文件在?Application.persistentDataPath

? ? ? ? 2、下載的AB資源在 ：C:\Users\Administrator\AppData\LocalLow\Unity

七、熱更檢測(cè)代碼：文章來(lái)源地址http://www.zghlxwxcb.cn/news/detail-497901.html

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AddressableAssets;
using UnityEngine.ResourceManagement.AsyncOperations;
using UnityEngine.AddressableAssets.ResourceLocators;
using UnityEngine.Networking;

public class Updater : MonoBehaviour
{
    public enum HotState
    {
        None,
        Version,
        Hash,
        Json,
        Download,
        StopDownload,
    }
    private HotState m_HotState = HotState.None;
    [SerializeField]
    public bool Hot = true;
    //多平臺(tái)版本檢測(cè) -> 地址 
    [SerializeField]
    public string VersionURL = "CDN地址";
    [SerializeField]
    public string Catalog = "catalog";
    // 拉取CDN地址錯(cuò)誤
    public System.Action<string> FirstAddressError;
    // 拉取hash版本地址錯(cuò)誤
    public System.Action<string> VerionCheckError;
    // 拉取json版本地址錯(cuò)誤
    public System.Action<string> VerionUpdateError;
    // 得到下載大小回調(diào)
    public System.Action<long> ResourceSize;
    // 下載進(jìn)度回調(diào)
    public System.Action<float> DowonloadPercent;
    // 斷網(wǎng)回調(diào)
    public System.Action DisconnectNet;
    // 重新聯(lián)網(wǎng)回調(diào)
    public System.Action ReconnectNet;
    public static Updater Instance;
    private readonly List<object> _updateKeys = new List<object>();
    private IEnumerator IDownLoad;
    private NetworkReachability LastNet;
    private void Awake()
    {
        LastNet = Application.internetReachability;
        Instance = this;
#if UNITY_EDITOR
        if (!Hot) // 動(dòng)態(tài)設(shè)置分組模式
        {
        }
#endif
    }
    private void Start()
    {
        if (!Hot)
            EnterGame();
        else
            StartCoroutine(SetAddress());
    }
    private IEnumerator SetAddress()
    {
        m_HotState = HotState.Version;
        if (Application.internetReachability == NetworkReachability.NotReachable)
        {
            DisconnectNet?.Invoke();
            yield break;
        }
        UnityWebRequest request = UnityWebRequest.Post(VersionURL, "");
        yield return request.SendWebRequest();
        if (request.isHttpError || request.error != null)
        {
            FirstAddressError?.Invoke(request.error);
            Debug.LogError("配置地址出錯(cuò):" + request.error);
            yield break;
        }
        else
        {
            string datas = request.downloadHandler.text;
            CDNAddress CDN = JsonUtility.FromJson<CDNAddress>(datas);
            string url = CDN.GetGetAddressURL();
            Debug.Log("CDN :" + url);
            url = "http://192.168.11.51:8089/";
            AddressablesExt.SetCustomAddress(url + Catalog + ".hash", url);
        }
        StartCoroutine(DoUpdateAddressadble());
    }
    IEnumerator DoUpdateAddressadble()
    {
        m_HotState = HotState.Hash;
        if (Application.internetReachability == NetworkReachability.NotReachable)
        {
            DisconnectNet?.Invoke();
            yield break;
        }
        AsyncOperationHandle<IResourceLocator> initHandle = Addressables.InitializeAsync();
        yield return initHandle;
        //檢測(cè)更新
        AsyncOperationHandle<List<string>> checkHandle = Addressables.CheckForCatalogUpdates(false);
        yield return checkHandle;
        if (checkHandle.Status != AsyncOperationStatus.Succeeded)
        {
            VerionCheckError?.Invoke(checkHandle.OperationException.ToString());
            Debug.LogError("版本檢測(cè)失敗:" + checkHandle.OperationException.ToString());
            yield break;
        }
        if (checkHandle.Result.Count > 0)
        {
            m_HotState = HotState.Json;
            AsyncOperationHandle<List<IResourceLocator>> updateHandle = Addressables.UpdateCatalogs(checkHandle.Result, false);
            yield return updateHandle;
            if (updateHandle.Status != AsyncOperationStatus.Succeeded)
            {
                Debug.LogError("版本更新失敗:" + updateHandle.OperationException.ToString());
                VerionUpdateError?.Invoke(updateHandle.OperationException.ToString());
                yield break;
            }
            // 更新列表迭代器
            List<IResourceLocator> locators = updateHandle.Result;
            foreach (var locator in locators)
            {
                _updateKeys.AddRange(locator.Keys);
                // key 里一堆亂七八糟的東西  
            }
            Addressables.Release(checkHandle);
            Addressables.Release(updateHandle);
        }
        else //版本已經(jīng)更新過(guò)的，采用這種方式
        {
            IEnumerable<IResourceLocator> locators = Addressables.ResourceLocators;
            foreach (var locator in locators)
            {
                _updateKeys.AddRange(locator.Keys);
                // key 里一堆亂七八糟的東西  
            }
        }
        AsyncOperationHandle<long> sizeHandle = Addressables.GetDownloadSizeAsync(_updateKeys as IEnumerable<object>);
        yield return sizeHandle;
        Debug.Log("熱更資源總大小:" + NetFormat.GetDisplaySize(sizeHandle.Result));
        if (sizeHandle.Result > 0)
        {
            ResourceSize?.Invoke(sizeHandle.Result);
            StartDownLoad();
        }
        else
        {
            Debug.Log("沒(méi)有檢測(cè)到更新 - 無(wú)需下載");
            EnterGame();
        }
        Addressables.Release(sizeHandle);
    }
    public void StartDownLoad()
    {
        IDownLoad = DownLoad();
        StartCoroutine(IDownLoad);
    }
    private void StopDownLoad()
    {
        m_HotState = HotState.StopDownload;
        StopCoroutine(IDownLoad);
    }
    private void Update()
    {
        if (Application.internetReachability != LastNet)
        {
            switch (Application.internetReachability)
            {
                case NetworkReachability.NotReachable:
                    if (m_HotState == HotState.Download)
                    {
                        StopDownLoad();
                    }
                    DisconnectNet?.Invoke();
                    Debug.LogError("網(wǎng)絡(luò)鏈接未打開(kāi)");
                    break;
                case NetworkReachability.ReachableViaCarrierDataNetwork:
                case NetworkReachability.ReachableViaLocalAreaNetwork:
                    ReconnectNet?.Invoke();
                    TryAgin();
                    Debug.Log("流量 OR  WIFI");
                    break;
                default:
                    break;
            }
            LastNet = Application.internetReachability;
        }
    }
    public void TryAgin()
    {
        Debug.Log(m_HotState);
        switch (m_HotState)
        {
            case HotState.None:
                break;
            case HotState.Version:
                StartCoroutine(SetAddress());
                break;
            case HotState.Hash:
            case HotState.Json:
                StartCoroutine(DoUpdateAddressadble());
                break;
            case HotState.Download:
                StartDownLoad();
                break;
            case HotState.StopDownload:
                StartDownLoad();
                break;
            default:
                break;
        }
    }
    public HotState GetHotState()
    {
        return m_HotState;
    }
    public void Quit()
    {
        Application.Quit();
    }
#if UNITY_EDITOR
    [UnityEditor.MenuItem("AATool/PrintState")]
    private static void PrnitState()
    {
        Debug.LogError(Instance.m_HotState);
    }
#endif
    private IEnumerator DownLoad()
    {
        m_HotState = HotState.Download;
        if (Application.internetReachability == NetworkReachability.NotReachable)
        {
            DisconnectNet?.Invoke();
            yield break;
        }
        AsyncOperationHandle downHandle = Addressables.DownloadDependenciesAsync(_updateKeys as IEnumerable<object>, Addressables.MergeMode.Union, false);
        while (!downHandle.IsDone)
        {
            float _bar = downHandle.GetDownloadStatus().Percent;
            DowonloadPercent?.Invoke(downHandle.GetDownloadStatus().Percent);
            UnityEngine.Debug.Log(_bar);
            yield return null;
        }
        yield return downHandle;
        if (downHandle.Status != AsyncOperationStatus.Succeeded)
        {
            Debug.LogError("下載失敗 - 重新嘗試下載");
            StartDownLoad();
            Addressables.Release(downHandle);
            yield break;
        }
        else
        {
            Addressables.Release(downHandle);
            // 進(jìn)入游戲
            EnterGame();
        }
    }
    // 進(jìn)入游戲
    void EnterGame()
    {
        // TODO
        Debug.Log("進(jìn)入游戲");
        RootTools.MainScript.GetOrAddComponent<GameRoot>();
        Object.Destroy(gameObject);
    }
    private void OnApplicationQuit()
    {

    }
    private void OnApplicationFocus(bool focus)
    {

    }
}

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