本文共 6556 字，大约阅读时间需要 21 分钟。

最近抽空玩了下ulua，挺好玩的，写了个热更新的小demo，使用的unity版本是5.3.1f，ulua版本版本是ulua_v1.24 ，服务器是用c#写的，非常简单就是接受客户端的连接然后把lua脚本传给客户端，客户端下载成功后就执行lua脚本

先展示下效果：

服务器工程：

lua代码：

客户端工程：

运行结果：

服务器：

客户端：

分割线，代码实现部分-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

服务端：

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Net;using System.Net.Sockets;using System.IO;namespace luaServer{    class Program    {        static void Main(string[] args)        {            IPEndPoint ipep = new IPEndPoint(IPAddress.Parse("10.66.197.107"), 7000);            Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);            server.Bind(ipep);            server.Listen(10);            while(true)            {                Socket client = server.Accept();                Console.WriteLine("Accept Client Ok");                string path = "E:\\UnityPrograme\\luaServer\\luaServer\\luaServer\\TuaTest.lua.txt";                FileInfo EzoneFile = new FileInfo(path);                FileStream EzoneStream = EzoneFile.OpenRead();                int PacketSize = 100000;                int PacketCount = (int)(EzoneStream.Length / ((long)PacketSize));                int LastDataPacket = (int)(EzoneStream.Length - ((long)(PacketSize * PacketCount)));                byte[] data = new byte[PacketSize];                for (int i = 0; i < PacketCount; i++)                {                    EzoneStream.Read(data, 0, data.Length);                    TransferFiles.SendVarData(client, data);                }                if (LastDataPacket != 0)                {                    data = new byte[LastDataPacket];                    EzoneStream.Read(data, 0, data.Length);                    TransferFiles.SendVarData(client, data);                }                //client.Close();                Console.WriteLine("Send File Ok");                EzoneStream.Close();            }        }    }}class TransferFiles{    public TransferFiles()    {    }    public static int SendVarData(Socket s, byte[] data) // return integer indicate how many data sent.      {        int total = 0;        int size = data.Length;        int dataleft = size;        int sent;        byte[] datasize = new byte[4];        datasize = BitConverter.GetBytes(size);        sent = s.Send(datasize);//send the size of data array.          while (total < size)        {            sent = s.Send(data, total, dataleft, SocketFlags.None);            total += sent;            dataleft -= sent;        }        return total;    }    public static byte[] ReceiveVarData(Socket s) // return array that store the received data.      {        int total = 0;        int recv;        byte[] datasize = new byte[4];        recv = s.Receive(datasize, 0, 4, SocketFlags.None);//receive the size of data array for initialize a array.          int size = BitConverter.ToInt32(datasize, 0);        int dataleft = size;        byte[] data = new byte[size];        while (total < size)        {            recv = s.Receive(data, total, dataleft, SocketFlags.None);            if (recv == 0)            {                data = null;                break;            }            total += recv;            dataleft -= recv;        }        return data;    }}

using UnityEngine;using System.Net;using System.Net.Sockets;using System.IO;using System;using System.Threading;public class FileRecver  {    public static void StartLoadLua(System.Action cb)    {        IPEndPoint ipep = new IPEndPoint(IPAddress.Parse("10.66.197.107"), 7000);        Socket client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);        client.Connect(ipep);        #if UNITY_EDITOR        string fileaddr = Application.dataPath + "/luaTest.lua.txt";#else        string fileaddr = Application.persistentDataPath + "/luaTest.lua.txt";#endif        FileStream MyFileStream = new FileStream(fileaddr, FileMode.Create, FileAccess.Write);        byte[] data = TransferFiles.ReceiveVarData(client);        if (data.Length == 0)        {            Debug.LogError("data.Length == 0");        }        else        {            MyFileStream.Write(data, 0, data.Length);        }        MyFileStream.Close();        client.Close();        if (null != cb)            cb();    }}class TransferFiles{    public TransferFiles()    {    }    public static int SendVarData(Socket s, byte[] data) // return integer indicate how many data sent.      {        int total = 0;        int size = data.Length;        int dataleft = size;        int sent;        byte[] datasize = new byte[4];        datasize = BitConverter.GetBytes(size);        sent = s.Send(datasize);//send the size of data array.          while (total < size)        {            sent = s.Send(data, total, dataleft, SocketFlags.None);            total += sent;            dataleft -= sent;        }        return total;    }    public static byte[] ReceiveVarData(Socket s) // return array that store the received data.      {        int total = 0;        int recv;        byte[] datasize = new byte[4];        recv = s.Receive(datasize, 0, 4, SocketFlags.None);//receive the size of data array for initialize a array.          int size = BitConverter.ToInt32(datasize, 0);        int dataleft = size;        byte[] data = new byte[size];        while (total < size)        {            recv = s.Receive(data, total, dataleft, SocketFlags.None);            if (recv == 0)            {                data = null;                break;            }            total += recv;            dataleft -= recv;        }        return data;    }}

using UnityEngine;using System.Collections;using LuaInterface;using System;using System.Reflection;public class StartUpEntry : MonoBehaviour{    private static LuaScriptMgr lsmgr = new LuaScriptMgr();    void Awake()    {           Debug.Log("StartUpEntry Awake");        lsmgr.Start();    }    // Use this for initialization    void Start ()    {            FileRecver.StartLoadLua(delegate ()            {                Debug.Log("load lua ok");                StartCoroutine(startLoadLuaFromLocal());            });    }    private IEnumerator startLoadLuaFromLocal()    {        WWW www = new WWW("file://" + Application.dataPath + "/luaTest.lua.txt");        yield return www;        if(www.error == null)        {            lsmgr.DoString(www.text);        }    }}

转载地址：https://linxinfa.blog.csdn.net/article/details/51920802 如侵犯您的版权，请留言回复原文章的地址，我们会给您删除此文章，给您带来不便请您谅解！