unity3d Md5打包与版本更新

AssetBundle打包写入MD5待更新文件

using UnityEngine;
using UnityEditor;
using System.IO;
using System.Text;
using System.Collections.Generic;
using LitJson;public class EditorCreateBundle : Editor
{public static string m_BundleDirectory = Application.dataPath + "/AssetBundle/";[MenuItem("Tools/Bundle/IOS打Bundle")]static void BuildReleaseIOSBundle(){BuildBundleTest(BuildTarget.iOS);}[MenuItem("Tools/Bundle/Android打Bundle")]static void BuildReleaseAndroidBundle(){BuildBundleTest(BuildTarget.Android);}[MenuItem("Tools/Bundle/Windows64打Bundle")]static void BuildReleaseWindowsBundle(){BuildBundleTest(BuildTarget.StandaloneWindows64);}static void BuildBundleTest(BuildTarget target){Caching.ClearCache();string[] filePaths = Directory.GetDirectories(m_BundleDirectory, "*.*", SearchOption.TopDirectoryOnly);string path = GetTempPath(target);DeleteTempBundles(target);SetAssetBundleName(filePaths);BuildPipeline.BuildAssetBundles(path, BuildAssetBundleOptions.ChunkBasedCompression, target);CreateBundleVersionNumber(path, target);AssetDatabase.Refresh();}private static Dictionary<string, string> m_BundleMD5Map = new Dictionary<string, string>();/// <summary>/// 删除目标文件夹下的所有文件/// </summary>/// <param name="target"></param>static void DeleteTempBundles(BuildTarget target){string[] bundleFiles = GetAllFilesFromBundleDirectory(target);foreach (string s in bundleFiles){File.Delete(s);}}static string[] GetAllFilesFromBundleDirectory(BuildTarget target){string path = GetTempPath(target);if (!Directory.Exists(path))Directory.CreateDirectory(path);string[] bundleFiles = Directory.GetFiles(path, "*.*", SearchOption.AllDirectories);return bundleFiles;}static void SetAssetBundleName(string[] topDirectories){foreach (string path in topDirectories){string[] childPaths = Directory.GetFiles(path, "*.*", SearchOption.AllDirectories);string childPathName, extension, directoryName;foreach (string childPath in childPaths){extension = Path.GetExtension(childPath);if (extension != ".meta" && extension != ".DS_Store"){childPathName = Path.GetFileNameWithoutExtension(childPath);directoryName = Path.GetDirectoryName(childPath).Replace("\\", "/");AssetImporter temp = AssetImporter.GetAtPath(childPath.Replace(Application.dataPath, "Assets"));temp.assetBundleName = null;if (directoryName.ToLower().IndexOf("sprite") >= 0){AssetImporter ai = AssetImporter.GetAtPath(directoryName.Replace(Application.dataPath, "Assets"));ai.assetBundleName = directoryName.Replace(m_BundleDirectory, "");}elsetemp.assetBundleName = directoryName.Replace(m_BundleDirectory, "") + "/" + childPathName;}}}}/// <summary>获取文件的md5校验码</summary>static string GetMD5HashFromFile(string fileName){if (File.Exists(fileName)){FileStream file = new FileStream(fileName, FileMode.Open);MD5 md5 = new MD5CryptoServiceProvider();byte[] retVal = md5.ComputeHash(file);file.Close();StringBuilder sb = new StringBuilder();for (int i = 0; i < retVal.Length; i++)sb.Append(retVal[i].ToString("x2"));return sb.ToString();}return null;}static void CreateBundleVersionNumber(string bundlePath, BuildTarget target){JsonData serverJson = new JsonData();string[] contents = Directory.GetFiles(bundlePath, "*.*", SearchOption.AllDirectories);string extension;string fileName = "";string fileMD5 = "";long allLength = 0;int fileLen;m_BundleMD5Map.Clear();for (int i = 0; i < contents.Length; i++){fileName = contents[i].Replace(GetTempPath(target), "").Replace("\\", "/");extension = Path.GetExtension(contents[i]);if (extension != ".meta"){fileMD5 = GetMD5HashFromFile(contents[i]);fileLen = File.ReadAllBytes(contents[i]).Length;allLength += fileLen;m_BundleMD5Map.Add(fileName, fileMD5 + "+" + fileLen);}}JsonData files = new JsonData();foreach (KeyValuePair<string, string> kv in m_BundleMD5Map){JsonData jd = new JsonData();jd["file"] = kv.Key;string[] nAndL = kv.Value.Split('+');jd["md5"] = nAndL[0];jd["fileLength"] = nAndL[1];files.Add(jd);}serverJson["length"] = allLength;serverJson["files"] = files;File.WriteAllText(GetTempPath(target) + "Bundle.txt", serverJson.ToJson());m_BundleMD5Map.Clear();//MiscUtils.CopyDirectory(Application.streamingAssetsPath + "/AssetBundle", Application.dataPath.Replace("Assets", ""), "*.*", true);//Directory.Delete(Application.streamingAssetsPath + "/AssetBundle", true);}static string GetTempPath(BuildTarget target){return Application.streamingAssetsPath + "/";}
}

服务端比对版本更新

  /// <summary>/// 版本更新/// </summary>/// <returns></returns>IEnumerator VersionUpdate(){WWW www = new WWW(ConstantUtils.HttpDownLoadUrl + "Bundle.txt");yield return www;if (www.isDone && string.IsNullOrEmpty(www.error)){List<BundleInfo> bims = new List<BundleInfo>();JsonData data = JsonMapper.ToObject(www.text);string md5, file, path;int lenth;for (int i = 0; i < data["files"].Count; i++){JsonData jd = data["files"][i];file = jd.TryGetstring("file");path = ConstantUtils.PathUrl(file);md5 = GetMD5HashFromFile(path);if (string.IsNullOrEmpty(md5) || md5 != jd.TryGetstring("md5")){bims.Add(new BundleInfo(){Url = ConstantUtils.HttpDownLoadUrl +file,Path = path});lenth = int.Parse(jd.TryGetstring("fileLength"));allfilesLength += lenth;}}if (bims.Count > 0){GameObject.Find("Canvas").transform.Find("LoadPage").gameObject.SetActive(true);StartCoroutine(DownLoadBundleFiles(bims, (progress) => {OpenLodingShow("自动更新中...", progress, allfilesLength);}, (isfinish) => {if (isfinish)StartCoroutine(VersionUpdateFinish());else{LoadingPage.Instance.GetMyEvent.Invoke("部分文件更新失败,正在准备重试...");StartCoroutine(VersionUpdate());}}));}else{//Debug.Log(ConstantUtils.DataPath("common/luascript/XLuaScript.lua.txt", _pathinfo.streamingAssetsPath));StartCoroutine(VersionUpdateFinish());}}}/// <summary>获取文件的md5校验码</summary>public static string GetMD5HashFromFile(string fileName){if (File.Exists(fileName)){FileStream file = new FileStream(fileName, FileMode.Open);MD5 md5 = new MD5CryptoServiceProvider();byte[] retVal = md5.ComputeHash(file);file.Close();StringBuilder sb = new StringBuilder();for (int i = 0; i < retVal.Length; i++)sb.Append(retVal[i].ToString("x2"));return sb.ToString();}return null;}public LuaEnv LuaEnvt { get; private set; }Action StartLua;Action UpdateLua;Action DestoryLua;IEnumerator VersionUpdateFinish(){// LoadingNode.instance.Close();GameObject.Find("Canvas").transform.Find("LoadPage").gameObject.SetActive(false);
//登录验证...执行lua文件LuaEnvt = new LuaEnv();TextAsset texts = Singleton<UIManager>.singleton.GetBundleFile<TextAsset>("Lua/FirstLua.lua", "FirstLua.lua");LuaEnvt.DoString(texts.text);StartLua = LuaEnvt.Global.Get<Action>("start");UpdateLua = LuaEnvt.Global.Get<Action>("update");DestoryLua = LuaEnvt.Global.Get<Action>("ondestroy");yield return new WaitForEndOfFrame();if (StartLua != null)StartLua();}/// <summary>/// 路径比对/// </summary>/// <param name="infos"></param>/// <param name="LoopCallBack"></param>/// <param name="CallBack"></param>/// <returns></returns>public IEnumerator DownLoadBundleFiles(List<BundleInfo> infos, Action<float> LoopCallBack = null, Action<bool> CallBack = null){int num = 0;string dir;for (int i = 0; i < infos.Count; i++){BundleInfo info = infos[i];WWW www = new WWW(info.Url);yield return www;if (www.isDone && string.IsNullOrEmpty(www.error)){try{string filepath = info.Path;dir = Path.GetDirectoryName(filepath);if (!Directory.Exists(dir))Directory.CreateDirectory(dir);File.WriteAllBytes(filepath, www.bytes);num++;if (LoopCallBack != null)LoopCallBack.Invoke((float)num / infos.Count);}catch (Exception e){Debug.Log("下载失败pp");}}else{Debug.Log("没有进去");}}if (CallBack != null)CallBack.Invoke(num == infos.Count);}/// <summary>/// 记录信息/// </summary>public struct BundleInfo{public string Path { get; set; }public string Url { get; set; }public override bool Equals(object obj){return obj is BundleInfo && Url == ((BundleInfo)obj).Url;}public override int GetHashCode(){return Url.GetHashCode();}}/// <summary>/// loadpage展示/// </summary>/// <param name="text"></param>/// <param name="progress"></param>/// <param name="filealllength"></param>public static void OpenLodingShow(string text = null, float progress = 0, long filealllength = 0){string allLength = ConstantUtils.GetMillionFromByte(filealllength).ToString("F2");string currlength = ConstantUtils.GetMillionFromByte((long)(filealllength * progress)).ToString("F2");LoadingPage.Instance.PrograssText.text = "<color=#8CF976FF>" + currlength + "MB</color>/<color=#FEE646FF>" + allLength + "MB</color>";LoadingPage.Instance.imagePrograss.DOFillAmount(progress, 0.5f);if (!string.IsNullOrEmpty(text))LoadingPage.Instance.LodingDes.text = text;elseLoadingPage.Instance.LodingDes.text = text;}void Update() {if (UpdateLua != null){UpdateLua.Invoke();}if (LuaEnvt != null)LuaEnvt.Tick();}private void OnDestroy(){if (DestoryLua != null)DestoryLua();UpdateLua = null;DestoryLua = null;StartLua = null;// LuaEnvt.Dispose();}

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