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Unity3d基于Socket通讯例子(转)

按语：按照下文，服务端利用网络测试工具，把下面客户端代码放到U3D中摄像机上，运行结果正确。

http://www.manew.com/thread-102109-1-1.html

在一个网站上看到有关于Socket的通讯事例，就拿来学习学习，高手就莫喷！原文链接：http://bbs.9ria.com/thread-364859-1-1.html 首先， 直接两个服务器端代码丢到相机上，然后也把客户端代码挂到相机上，发布服务端,再把服务器两个代码勾掉再发布客户端，最后运行服务端，再运行客户端。 unity里面展示：file:///C:/Users/Administrator/AppData/Local/YNote/data/qq233344ACD512D13C553FF71505B4C730/8d394e1cb202445dafbc1da3c2f90daa/clipboard.png <ignore_js_op>

file:///C:/Users/Administrator/AppData/Local/YNote/data/qq233344ACD512D13C553FF71505B4C730/8d394e1cb202445dafbc1da3c2f90daa/clipboard.png 运行效果： <ignore_js_op>

服务端代码:Progrm.CS

[C#] 纯文本查看 复制代码

using System;
using UnityEngine;
using System.Collections;
using System.Net.Sockets;
using UnityEngine.UI;
using System.Net;
using System.Threading;
  
public class Program : MonoBehaviour
{
    // 设置连接端口
    const int portNo = 500;
    // Use this for initialization
    void Start () {
        Thread myThread = new Thread(ListenClientConnect);//开启协程
        myThread.Start(); 
    }
    // Update is called once per frame
    void Update () {
}
    private void ListenClientConnect()
    {
        // 初始化服务器IP
        IPAddress localAdd = IPAddress.Parse("127.0.0.1");
        // 创建TCP侦听器
        TcpListener listener = new TcpListener(localAdd, portNo);
        listener.Start();
        // 显示服务器启动信息
       // oldstr = String.Concat("正在启动服务器！");
       // textshow.text = oldstr;
        //("Server is starting...
");
        // 循环接受客户端的连接请求
        while (true)
        {
            ChatClient user = new ChatClient(listener.AcceptTcpClient());
            // 显示连接客户端的IP与端口
            print(user._clientIP + " 加入服务器
");
        }
    }
  
}

服务端代码:ChatClient.CS

[C#] 纯文本查看 复制代码

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using UnityEngine;
using System.Collections;
using System.Net.Sockets;
using System;
using System.Net;
using System.Threading;
using UnityEngine.UI;
using System.Text;
 
public class ChatClient : MonoBehaviour {
    public static Hashtable ALLClients = new Hashtable(); // 客户列表
    private TcpClient _client;  // 客户端实体
    public string _clientIP;   // 客户端IP
    private string _clientNick; // 客户端昵称
    private byte[] data;     // 消息数据
    private bool ReceiveNick = true;
    public ChatClient(TcpClient client)
    {
        this._client = client;
        this._clientIP = client.Client.RemoteEndPoint.ToString();
        // 把当前客户端实例添加到客户列表当中
        ALLClients.Add(this._clientIP, this);
        data = new byte[this._client.ReceiveBufferSize];
        // 从服务端获取消息
        client.GetStream().BeginRead(data, 0, System.Convert.ToInt32(this._client.ReceiveBufferSize), ReceiveMessage, null);
    }
    // 从客戶端获取消息
    public void ReceiveMessage(IAsyncResult ar)
    {
        int bytesRead;
        try
        {
            lock (this._client.GetStream())
            {
                bytesRead = this._client.GetStream().EndRead(ar);
            }
            if (bytesRead < 1)
            {
                ALLClients.Remove(this._clientIP);
                Broadcast(this._clientNick + " 已经离开服务器");//已经离开服务器
                return;
            }
            else
            {
                string messageReceived = Encoding.UTF8.GetString(data, 0, bytesRead);
                if (ReceiveNick)
                {
                   this._clientNick = messageReceived;
                   Broadcast(this._clientNick + " 已经进入服务器");//已经进入服务器
                   //this.sendMessage("hello");
                   ReceiveNick = false;
                }
                else
                {
                    Broadcast(this._clientNick + ">>>>" + messageReceived);
                }
            }
            lock (this._client.GetStream())
            {
                this._client.GetStream().BeginRead(data, 0, System.Convert.ToInt32(this._client.ReceiveBufferSize), ReceiveMessage, null);
            }
        }
        catch (Exception ex)
        {
            ALLClients.Remove(this._clientIP);
            Broadcast(this._clientNick + " 已经离开服务器");//已经离开服务器
        }
    }
 
    // 向客戶端发送消息
    public void sendMessage(string message)
    {
        try
        {
            System.Net.Sockets.NetworkStream ns;
            lock (this._client.GetStream())
            {
                ns = this._client.GetStream();
            }
            // 对信息进行编码
            byte[] bytesToSend = Encoding.UTF8.GetBytes(message);
            ns.Write(bytesToSend, 0, bytesToSend.Length);
            ns.Flush();
        }
        catch (Exception ex)
        {
                  Debug.Log("Error:"+ex);
        }
    }
 
    // 向客户端广播消息
    public void Broadcast(string message)
    {
       // oldstr= message+"
";
        print( message);//打印消息
 
        foreach (DictionaryEntry c in ALLClients)
        {
            ((ChatClient)(c.Value)).sendMessage(message + Environment.NewLine);
        }
    }
    void Update()
    {
    }
}

客户端代码:ClientHandler.CS

[C#] 纯文本查看 复制代码

using UnityEngine;
using System.Collections;
using System.Net.Sockets;
using System;
using System.Text;
 
public class ClientHandler : MonoBehaviour {
 
    const int portNo = 500;
    private TcpClient _client;
    private  byte[] data;
 
    public string nickName = "";
    public string message = "";
    public string sendMsg = "";
    // Use this for initialization
    void OnGUI()
    {
        nickName = GUI.TextField(new Rect(10, 10, 100, 20), nickName);
        message = GUI.TextArea(new Rect(10, 40, 300, 200), message);
        sendMsg = GUI.TextField(new Rect(10, 250, 210, 20), sendMsg);
 
        if (GUI.Button(new Rect(120, 10, 80, 20), "Connect"))
        {
            //Debug.Log("hello");
            this._client = new TcpClient();
            this._client.Connect("127.0.0.1", portNo);
 
            data = new byte[this._client.ReceiveBufferSize];
 
            //SendMyMessage(txtNick.Text);
            SendMyMessage(nickName);
 
            this._client.GetStream().BeginRead(data, 0, System.Convert.ToInt32(this._client.ReceiveBufferSize), ReceiveMessage, null);
        };
 
        if (GUI.Button(new Rect(230, 250, 80, 20), "Send"))
        {
            SendMyMessage(sendMsg);
            sendMsg = "";
        };
    }
 
    /// <summary>
    /// 向服务器发送数据（发送聊天信息）
    /// </summary>
    /// <param name="message"></param>
    public void SendMyMessage(string message)
    {
        try
        {
            NetworkStream ns = this._client.GetStream();
 
            byte[] data = Encoding.UTF8.GetBytes(message);
 
            ns.Write(data, 0, data.Length);
            ns.Flush();
        }
        catch (Exception ex)
        {
            Debug.Log("Error:" + ex);
        }
    }
    /// <summary>
    /// 接收服务器的数据（聊天信息）
    /// </summary>
    /// <param name="ar"></param>
    public void ReceiveMessage(IAsyncResult ar)
    {
        try
        {
            int bytesRead;
            bytesRead = this._client.GetStream().EndRead(ar);
 
            if (bytesRead < 1)
            {
                return;
            }
            else
            {            
                message += Encoding.UTF8.GetString(data, 0, bytesRead).ToString();
            }
 
            this._client.GetStream().BeginRead(data, 0, System.Convert.ToInt32(this._client.ReceiveBufferSize), ReceiveMessage, null);
        }
        catch (Exception ex)
        {
            print("Error:" + ex);
        }
    }
    void Start () {
}
// Update is called once per frame
  void Update () {
  }
}

附上小小工程一个，不嫌弃就拿走

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链接：https://pan.baidu.com/s/1a6lM4HZzkUjqI_YyfNOv4A 密码：1ije

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原文地址：https://www.cnblogs.com/xihong2014/p/11127227.html