image.png

using System.IO;
using UnityEngine;

public class BRTest : MonoBehaviour
{

    [ContextMenu("写入")]
    public void Write()
    {
        string path = Application.dataPath + "/test.bytes";
        FileStream fs = new FileStream(path, FileMode.Create);
        BinaryWriter bw = new BinaryWriter(fs);
        bw.Write("你好");
        bw.Write(10000);
        bw.Write(5);
        for (int i = 0; i < 5; i++)
        {
            bw.Write(i);
            if (i == 4)
            {
                bw.Write(999999);
            }
            else
            {
                bw.Write(i * 100);
            }
        }

        bw.Write("哈哈哈");
        bw.Write(123321);

        bw.Flush();
        bw.Close();
        bw.Dispose();
        fs.Close();
        fs.Dispose();
        Debug.Log("finish");
    }


    [ContextMenu("读取")]
    public void Read()
    {
        string path = Application.dataPath + "/test.bytes";
        FileStream fs = new FileStream(path, FileMode.Open);
        BinaryReader br = new BinaryReader(fs);
        var a = br.ReadString();
        var b = br.ReadInt32();
        var count = br.ReadInt32();
        for (int i = 0; i < count; i++)
        {
            var aa = br.ReadInt32();
            var bb = br.ReadInt32();
            int cc = 0;
        }
        var d = br.ReadString();
        var e = br.ReadInt32();
        Debug.Log("finish");
    }
}

写入到内存中的byte[]然后读取出来

    [ContextMenu("二进制写入内存和内存读取")]
    public void WriteOrRead()
    {
        // 写入内存流二进制
        MemoryStream s = new MemoryStream();
        BinaryWriter bw = new BinaryWriter(s);
        bw.Write(1000);
        bw.Write("测试....");
        bw.Write(48699);

        byte[] bytes = s.ToArray();
        s.Flush();
        s.Dispose();
        s.Close();
        bw.Dispose();
        bw.Close();

        // 读取内存流二进制
        MemoryStream ms = new MemoryStream(bytes);
        BinaryReader br = new BinaryReader(ms);
        int a = br.ReadInt32();
        string b = br.ReadString();
        int c = br.ReadInt32();

        ms.Flush();
        ms.Dispose();
        ms.Close();
        br.Dispose();
        br.Close();
    }