unity3d远程加载资源模型到本地并加载（二）第一次加载资源后写到本地后从本地加载。

using UnityEngine;
using System.Collections;
using System.IO;
public class Resource : MonoBehaviour
{
private string sceneUrl = “file:///Z:/场景.assetbundle”;
private string modleUrl = “file:///Z:/modle/modle.assetbundle”;
public Transform gameobject_dajiaolu;
public Transform gameobject_jianchihu;
public Transform gameobject_qingting;
public Transform gameobject_shizuniao;
public Transform gameobject_jialong;
public Transform gameobject_dodoniao;
public Transform gameobject_sanjiaolong;
public string LocalModleAssetUrl;
bool isDone = false;
// Use this for initialization
void Start()
{
StartCoroutine(GetResource());
Debug.Log(LocalModleAssetUrl);
}

// Update is called once per frame
void Update()
{

}
//流的形式写文件

//创建流
//判断文件是否存在，没有则创建
//写入信息

public void creat