public class Test2 : MonoBehaviour

{

    byte[] buffer;

    private void Start()

    {

        //一次性复制  适用于比较小的文件，如文本文档等。

        //序列化过程

        using (FileStream stream = new FileStream(Application.dataPath + @"\Resources\123.txt", FileMode.Open, FileAccess.Read))

        {

            //创建一个 byte 类型数组，用来存储通过文件流读取的文件，数组的长度就是文件的长度。

            buffer = new byte[stream.Length];

            //将读取到的文件转为字节数组存入 buffer 数组中

            stream.Read(buffer, , buffer.Length);

        }

        //反序列化过程

        using (FileStream stream = new FileStream(Application.dataPath + @"\Floder1\123.txt", FileMode.Create, FileAccess.Write))

        {

            //将 buffer 数组中的字节转换回相应的格式，并写入相应文件中

            stream.Write(buffer, , buffer.Length);

        }

    }

}

public class Test2 : MonoBehaviour

{

    byte[] buffer;//声明一个字节数组

    private void Start()

    {

        //分批量复制  适用于比较大的文件，如音频、视频等文件。

        //定义每次读入的文件大小，10KB。

        int maxSize = ;

        //开启读入流

        FileStream streamRead = new FileStream(Application.dataPath + @"\Resources\吴奇隆 - 转弯.mp3", FileMode.Open, FileAccess.Read);

        //开启写入流

        FileStream streamWrite = new FileStream(Application.dataPath + @"\Floder1\转弯.mp3", FileMode.Create, FileAccess.Write);

        //实例化数组，长度为 maxSize。

        buffer = new byte[maxSize];

        //当前读取的字节数量

        int num = ;

        do

        {

            //读入文件

            num = streamRead.Read(buffer, , maxSize);

            //写入文件

            streamWrite.Write(buffer, , num);

        } while (num > );

        //释放流

        streamWrite.Dispose();

        streamRead.Dispose();

    }

}

 using UnityEngine;

 using System.IO;

 using System.Runtime.Serialization.Formatters.Binary;

 using System.Runtime.Serialization;

 using System;

 public class Test1 : MonoBehaviour {

     public GameObject cube;

     void OnGUI()

     {

         if (GUILayout.Button("存档"))

         {

             cube = GameObject.Find("Cube");

             if (cube != null)

             {

                 Color c = cube.GetComponent<MeshRenderer>().material.color;

                 Info info = new Info(cube.transform.position, c.r, c.g, c.b, c.a);

                 //方法一：

                 IFormatter formatter = new BinaryFormatter();

                 Stream stream = new FileStream(Application.dataPath + "/info.obj", FileMode.Create, FileAccess.Write);

                 formatter.Serialize(stream, info);

                 stream.Close();

                 //方法二：

                 //string str = JsonUtility.ToJson(info);

                 //File.WriteAllText(Application.dataPath + "/info.txt", str);

             }

             else

             {

                 throw new Exception("物体不存在！");

             }

         }

         if (GUILayout.Button("读档"))

         {

             GameObject go = GameObject.CreatePrimitive(PrimitiveType.Cube);

             IFormatter formatter = new BinaryFormatter();

             //方法一：

             Stream stream = new FileStream(Application.dataPath + "/info.obj", FileMode.Open, FileAccess.Read);

             Info info = (Info)formatter.Deserialize(stream);

             go.transform.position = info.pos;

             go.GetComponent<MeshRenderer>().material.color = new Color(info.r, info.g, info.b, info.a);

             stream.Dispose();

             //方法二：

             //string str = File.ReadAllText(Application.dataPath + "/info.txt");

             //Info info = JsonUtility.FromJson<Info>(str);

             //go.transform.position = info.pos;

             //go.GetComponent<MeshRenderer>().material.color = new Color(info.r, info.g, info.b, info.a);

         }

     }

 }

 //在类的上面加上这个标签，这个类才能被序列化，需要注意。

 [System.Serializable]

 public class Info

 {

     public VectorX pos;

     public float r;

     public float g;

     public float b;

     public float a;

     public Info(VectorX pos,float r,float g,float b,float a)

     {

         this.pos = pos;

         this.r = r;

         this.g = g;

         this.b = b;

         this.a = a;

     }

 }