using UnityEditor;
using System.IO;public class CreateAssetBundles  {[MenuItem("自定义菜单/资源打包")]static void BuildAllAssetBundles(){//定义文件夹名字string dir = "AssetBundles";//文件夹不存在，则创建if(!Directory.Exists(dir)){Directory.CreateDirectory(dir);}//资源打包
        BuildPipeline.BuildAssetBundles(dir, BuildAssetBundleOptions.None, BuildTarget.StandaloneWindows64);}}AssetBundle的四种方式资源加载，脚本绑在场景任意物体即可
具体代码如下：using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO;
using UnityEngine.Networking;public class DownLoad : MonoBehaviour {IEnumerator Start () {//资源包路径string path1 = "AssetBundles/cubewall.unity3d";//共享依赖资源包路径string path2 = "AssetBundles/share.unity3d";//第一种加载AB的方式 ,从内存中加载 LoadFromMemory#region//方法一：异步加载//加载资源AssetBundleCreateRequest request = AssetBundle.LoadFromMemoryAsync(File.ReadAllBytes(path1));yield return request;//加载共同依赖资源，如贴图、材质AssetBundleCreateRequest request2 = AssetBundle.LoadFromMemoryAsync(File.ReadAllBytes(path2));yield return request2;AssetBundle ab = request.assetBundle;AssetBundle ab2 = request2.assetBundle;//使用里面的资源GameObject wallPrefab1 = ab.LoadAsset("CubeWall");Instantiate(wallPrefab1);//方法二：同步加载(无需用协程)//加载资源AssetBundle ab3 = AssetBundle.LoadFromMemory(File.ReadAllBytes(path1));//加载共同依赖资源，如贴图、材质AssetBundle ab4 = AssetBundle.LoadFromMemory(File.ReadAllBytes(path2));//使用里面的资源GameObject wallPrefab2 = ab.LoadAsset("CubeWall");Instantiate(wallPrefab2);#endregion//第二种加载AB的方式 ，从本地加载 LoadFromFile(无需用协程)#regionAssetBundle ab5 = AssetBundle.LoadFromFile(path1);AssetBundle ab6 = AssetBundle.LoadFromFile(path2);GameObject wallPrefab3 = ab5.LoadAsset("CubeWall");Instantiate(wallPrefab3);#endregion//第三种加载AB的方式 ,从本地或服务器加载 WWW（将被弃用）#region//是否准备好while (Caching.ready == false){yield return null;}//从本地加载//WWW www = WWW.LoadFromCacheOrDownload(@"file:/E:AssetBundleProject\AssetBundleProject\AssetBundles", 1);//从服务器加载WWW www = WWW.LoadFromCacheOrDownload(@"http://localhost/AssetBundles/cubewall.unity3d", 1);yield return www;//是否报错if (string.IsNullOrEmpty(www.error) == false){Debug.Log(www.error); yield break;}AssetBundle ab7 = www.assetBundle;//使用里面的资源GameObject wallPrefab4 = ab7.LoadAsset("CubeWall");Instantiate(wallPrefab4);#endregion//第四种加载AB方式 从服务器端下载 UnityWebRequest（新版Unity使用）#region//服务器路径 localhost为IPstring uri = @"http://localhost/AssetBundles/cubewall.unity3d";UnityWebRequest request3 = UnityWebRequest.GetAssetBundle(uri);yield return request3.Send();//AssetBundle ab8 = ((DownloadHandlerAssetBundle)request3.downloadHandler).assetBundle;AssetBundle ab8 = DownloadHandlerAssetBundle.GetContent(request3);//使用里面的资源GameObject wallPrefab5 = ab8.LoadAsset("CubeWall");Instantiate(wallPrefab5);//加载cubewall.unity3d资源包所依赖的资源包AssetBundle manifestAB =  AssetBundle.LoadFromFile("AssetBundles/AssetBundles");AssetBundleManifest manifest = manifestAB.LoadAsset("AssetBundleManifest");//foreach(string name in manifest.GetAllAssetBundles())//{//    print(name);//}//cubewall.unity3d资源包所依赖的资源包的名字string[] strs =  manifest.GetAllDependencies("cubewall.unity3d");foreach (string name in strs){AssetBundle.LoadFromFile("AssetBundles/" + name);}#endregion}
}