using UnityEditor;
using UnityEngine;
using System.IO;
using System.Collections;
using System.Collections.Generic;public class CreateAssetBundle
{public static void Execute(UnityEditor.BuildTarget target){string SavePath = AssetBundleController.GetPlatformPath(target);// 当前选中的资源列表foreach (Object o in Selection.GetFiltered(typeof(Object), SelectionMode.DeepAssets)){string path = AssetDatabase.GetAssetPath(o);// 过滤掉meta文件和文件夹if(path.Contains(".meta") || path.Contains(".") == false)continue;// 过滤掉UIAtlas目录下的贴图和材质(UI/Common目录下的所有资源都是UIAtlas)if (path.Contains("UI/Common")){if ((o is Texture) || (o is Material))continue;}path = SavePath + ConvertToAssetBundleName(path);path = path.Substring(0, path.LastIndexOf('.'));path += ".assetbundle";BuildPipeline.BuildAssetBundle(o, null, path, BuildAssetBundleOptions.CollectDependencies | BuildAssetBundleOptions.CompleteAssets | BuildAssetBundleOptions.DeterministicAssetBundle, target);}// scene目录下的资源
AssetDatabase.Refresh();}static string ConvertToAssetBundleName(string ResName){return ResName.Replace('/', '.');}}

using UnityEngine;
using UnityEditor;
using System.IO;
using System.Xml;
using System.Collections;
using System.Collections.Generic;
using System.Security.Cryptography;public class CreateMD5List
{public static void Execute(UnityEditor.BuildTarget target){string platform = AssetBundleController.GetPlatformName(target);Execute(platform);AssetDatabase.Refresh();}public static void Execute(string platform){Dictionary<string, string> DicFileMD5 = new Dictionary<string, string>();MD5CryptoServiceProvider md5Generator = new MD5CryptoServiceProvider();string dir = System.IO.Path.Combine(Application.dataPath, "AssetBundle/" + platform);foreach (string filePath in Directory.GetFiles(dir)){if (filePath.Contains(".meta") || filePath.Contains("VersionMD5") || filePath.Contains(".xml"))continue;FileStream file = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);byte[] hash = md5Generator.ComputeHash(file);string strMD5 = System.BitConverter.ToString(hash);file.Close();string key = filePath.Substring(dir.Length + 1, filePath.Length - dir.Length - 1);if (DicFileMD5.ContainsKey(key) == false)DicFileMD5.Add(key, strMD5);elseDebug.LogWarning("<Two File has the same name> name = " + filePath);}string savePath = System.IO.Path.Combine(Application.dataPath, "AssetBundle/") + platform + "/VersionNum";if (Directory.Exists(savePath) == false)Directory.CreateDirectory(savePath);// 删除前一版的old数据if (File.Exists(savePath + "/VersionMD5-old.xml")){System.IO.File.Delete(savePath + "/VersionMD5-old.xml");}// 如果之前的版本存在，则将其名字改为VersionMD5-old.xmlif (File.Exists(savePath + "/VersionMD5.xml")){System.IO.File.Move(savePath + "/VersionMD5.xml", savePath + "/VersionMD5-old.xml");}XmlDocument XmlDoc = new XmlDocument();XmlElement XmlRoot = XmlDoc.CreateElement("Files");XmlDoc.AppendChild(XmlRoot);foreach (KeyValuePair<string, string> pair in DicFileMD5){XmlElement xmlElem = XmlDoc.CreateElement("File");XmlRoot.AppendChild(xmlElem);xmlElem.SetAttribute("FileName", pair.Key);xmlElem.SetAttribute("MD5", pair.Value);}// 读取旧版本的MD5Dictionary<string, string> dicOldMD5 = ReadMD5File(savePath + "/VersionMD5-old.xml");// VersionMD5-old中有，而VersionMD5中没有的信息，手动添加到VersionMD5foreach (KeyValuePair<string, string> pair in dicOldMD5){if (DicFileMD5.ContainsKey(pair.Key) == false)DicFileMD5.Add(pair.Key, pair.Value);}XmlDoc.Save(savePath + "/VersionMD5.xml");XmlDoc = null;}static Dictionary<string, string> ReadMD5File(string fileName){Dictionary<string, string> DicMD5 = new Dictionary<string, string>();// 如果文件不存在，则直接返回if (System.IO.File.Exists(fileName) == false)return DicMD5;XmlDocument XmlDoc = new XmlDocument();XmlDoc.Load(fileName);XmlElement XmlRoot = XmlDoc.DocumentElement;foreach (XmlNode node in XmlRoot.ChildNodes){if ((node is XmlElement) == false)continue;string file = (node as XmlElement).GetAttribute("FileName");string md5 = (node as XmlElement).GetAttribute("MD5");if (DicMD5.ContainsKey(file) == false){DicMD5.Add(file, md5);}}XmlRoot = null;XmlDoc = null;return DicMD5;}}

<Files><File FileName="Assets.Resources.BigLevelTexture.TestLevel.assetbundle" MD5="54-00-42-38-D5-86-43-A6-57-9D-7C-09-3A-F8-6E-10" /><File FileName="Assets.Resources.EquipmentTexture.Test001.assetbundle" MD5="A1-19-D4-04-17-94-18-61-60-99-35-25-3F-7C-39-93" /><File FileName="Assets.Resources.EquipmentTexture.Test002.assetbundle" MD5="CF-36-DA-C8-D2-DB-CE-FD-4A-BF-31-81-A1-D1-D2-21" /><File FileName="Assets.Resources.EquipmentTexture.Test003.assetbundle" MD5="EF-30-78-AE-F8-F4-A0-EC-5B-4E-45-3F-1E-EF-42-44" /><File FileName="Assets.Resources.EquipmentTexture.Test004.assetbundle" MD5="3D-5D-A7-01-D2-B1-20-5F-B9-89-C5-CB-40-96-EC-89" /><File FileName="Assets.Resources.PetTexture.Empty.assetbundle" MD5="D9-AC-54-F8-EB-AA-1C-36-8C-2B-6C-12-37-AB-3B-48" />
</Files>

using UnityEngine;
using UnityEditor;
using System.IO;
using System.Xml;
using System.Collections;
using System.Collections.Generic;public class CampareMD5ToGenerateVersionNum
{public static void Execute(UnityEditor.BuildTarget target){string platform = AssetBundleController.GetPlatformName(target);Execute(platform);AssetDatabase.Refresh();}// 对比对应版本目录下的VersionMD5和VersionMD5-old，得到最新的版本号文件VersionNum.xmlpublic static void Execute(string platform){// 读取新旧MD5列表string newVersionMD5 = System.IO.Path.Combine(Application.dataPath, "AssetBundle/" + platform + "/VersionNum/VersionMD5.xml");string oldVersionMD5 = System.IO.Path.Combine(Application.dataPath, "AssetBundle/" + platform + "/VersionNum/VersionMD5-old.xml");Dictionary<string, string> dicNewMD5Info = ReadMD5File(newVersionMD5);Dictionary<string, string> dicOldMD5Info = ReadMD5File(oldVersionMD5);// 读取版本号记录文件VersinNum.xmlstring oldVersionNum = System.IO.Path.Combine(Application.dataPath, "AssetBundle/" + platform + "/VersionNum/VersionNum.xml");Dictionary<string, int> dicVersionNumInfo = ReadVersionNumFile(oldVersionNum);// 对比新旧MD5信息，并更新版本号，即对比dicNewMD5Info&&dicOldMD5Info来更新dicVersionNumInfoforeach (KeyValuePair<string, string> newPair in dicNewMD5Info){// 旧版本中有if (dicOldMD5Info.ContainsKey(newPair.Key)){// MD5一样，则不变// MD5不一样，则+1// 容错：如果新旧MD5都有，但是还没有版本号记录的，则直接添加新纪录，并且将版本号设为1if (dicVersionNumInfo.ContainsKey(newPair.Key) == false){dicVersionNumInfo.Add(newPair.Key, 1);}else if (newPair.Value != dicOldMD5Info[newPair.Key]){int num = dicVersionNumInfo[newPair.Key];dicVersionNumInfo[newPair.Key] = num + 1;}}else // 旧版本中没有，则添加新纪录，并=1
            {dicVersionNumInfo.Add(newPair.Key, 1);}}// 不可能出现旧版本中有，而新版本中没有的情况，原因见生成MD5List的处理逻辑// 存储最新的VersionNum.xml
        SaveVersionNumFile(dicVersionNumInfo, oldVersionNum);}static Dictionary<string, string> ReadMD5File(string fileName){Dictionary<string, string> DicMD5 = new Dictionary<string, string>();// 如果文件不存在，则直接返回if (System.IO.File.Exists(fileName) == false)return DicMD5;XmlDocument XmlDoc = new XmlDocument();XmlDoc.Load(fileName);XmlElement XmlRoot = XmlDoc.DocumentElement;foreach (XmlNode node in XmlRoot.ChildNodes){if ((node is XmlElement) == false)continue;string file = (node as XmlElement).GetAttribute("FileName");string md5 = (node as XmlElement).GetAttribute("MD5");if (DicMD5.ContainsKey(file) == false){DicMD5.Add(file, md5);}}XmlRoot = null;XmlDoc = null;return DicMD5;}static Dictionary<string, int> ReadVersionNumFile(string fileName){Dictionary<string, int> DicVersionNum = new Dictionary<string, int>();// 如果文件不存在，则直接返回if (System.IO.File.Exists(fileName) == false)return DicVersionNum;XmlDocument XmlDoc = new XmlDocument();XmlDoc.Load(fileName);XmlElement XmlRoot = XmlDoc.DocumentElement;foreach (XmlNode node in XmlRoot.ChildNodes){if ((node is XmlElement) == false)continue;string file = (node as XmlElement).GetAttribute("FileName");int num = XmlConvert.ToInt32((node as XmlElement).GetAttribute("Num"));if (DicVersionNum.ContainsKey(file) == false){DicVersionNum.Add(file, num);}}XmlRoot = null;XmlDoc = null;return DicVersionNum;}static void SaveVersionNumFile(Dictionary<string, int> data, string savePath){XmlDocument XmlDoc = new XmlDocument();XmlElement XmlRoot = XmlDoc.CreateElement("VersionNum");XmlDoc.AppendChild(XmlRoot);foreach (KeyValuePair<string, int> pair in data){XmlElement xmlElem = XmlDoc.CreateElement("File");XmlRoot.AppendChild(xmlElem);xmlElem.SetAttribute("FileName", pair.Key);xmlElem.SetAttribute("Num", XmlConvert.ToString(pair.Value));}XmlDoc.Save(savePath);XmlRoot = null;XmlDoc = null;}}

using UnityEditor;
using UnityEngine;
using System.IO;
using System.Collections;
using System.Collections.Generic;public class CreateAssetBundleForXmlVersion
{public static void Execute(UnityEditor.BuildTarget target){string SavePath = AssetBundleController.GetPlatformPath(target);Object obj = AssetDatabase.LoadAssetAtPath(SavePath + "VersionNum/VersionNum.xml", typeof(Object));BuildPipeline.BuildAssetBundle(obj, null, SavePath + "VersionNum/VersionNum.assetbundle", BuildAssetBundleOptions.CollectDependencies | BuildAssetBundleOptions.CompleteAssets | BuildAssetBundleOptions.DeterministicAssetBundle, target);AssetDatabase.Refresh();}static string ConvertToAssetBundleName(string ResName){return ResName.Replace('/', '.');}}