Unity3d流式加载资源文件

using UnityEngine;

using System.IO;

using System.Collections;

using Ionic.Zip;

using System.Collections.Generic;

using System;

public class LoadCube : MonoBehaviour{

 private byte[] ab;

 private int nn;

 string path1;//减压后文件的位置

 string FileName = DateTime.Now.ToString("yyMMddHHmmssff") + ".zip"; 

void Start() {

 path1 = Application.dataPath + "/";//本地存储资源路径

 StartCoroutine(LoadSenceAsset("http://192.168.1.75:8000/resour.zip"));//服务器路径

 } 

IEnumerator LoadSenceAsset(string url) {

 WWW download = new WWW(url);

 yield return download; 

ab = download.bytes;

 FileStream cache = new FileStream(path1 + "/" + FileName, System.IO.FileMode.Create);

cache.Write(download.bytes, 0, download.bytes.Length); 

//关闭流 

cache.Flush();//等待文件写入成功后再执行下步

 cache.Close(); 

if (ab != null) { 

print("Success import"); 

Uncompress(path1 + FileName);

 } else {

 print("download falls");

 } } //解压下载资源包 

public void Uncompress(string filename) { 

ZipFile zip = new ZipFile(filename);

 foreach (ZipEntry entry in zip)//将资源包内的所有文件解压

 { 

entry.Extract(path1, ExtractExistingFileAction.OverwriteSilently); 

} 

zip.Dispose();

 Debug.Log("解压成功"); 

DeleteFile(); 

}

 public void DeleteFile() { 

string delFile = path1 + FileName; Debug.Log(delFile);

 File.Delete(delFile);

 }

 IEnumerator DeleteFile(string kdk) { //等待资源解压成功后，删除资源压缩包

 yield return new WaitForSeconds(5f); 

string delFile = path1 + FileName; Debug.Log(delFile);

 File.Delete(delFile); }

}