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由于这段时间比较忙，所以也很久没发布过新的教程，这几天刚好要为一个项目写服务端程序，所以顺便也在Unity3d里面实现了一个简单的客户端，多个客户端一同使用就是一个简单的公共聊天室了。服务端为一个控制台程序使用C#实现，当然，在Unity3d中也相应地使用了C#语言实现客户端，服务端和客户端能实现消息的互通，当服务端接收到某客户端发送过来的消息时将会对客户端列表成员进行广播，这是公共聊天室的最基本的形式。Socket通讯是网络游戏最为基础的知识，因此这个实例能向有志投身于网游行业的初学者提供指导意义。这篇文章来自狗刨学习网Program.cs1.usingSystem;2.usingSystem.Collections.Generic;3.usingSystem.Linq;4.usingSystem.Text;5.usingSystem.Net.Sockets;6.7.namespaceTestServer8.{9.classProgram10.{11.//设置连接端口12.constintportNo=500;13.14.staticvoidMain(string[]args)15.{16.//初始化服务器IP17.System.Net.IPAddresslocalAdd=System.Net.IPAddress.Parse(127.0.0.1);18.19.//创建TCP侦听器20.TcpListenerlistener=newTcpListener(localAdd,portNo);21.22.listener.Start();23.24.//显示服务器启动信息25.Console.WriteLine(Serverisstarting...\n);26.27.//循环接受客户端的连接请求28.while(true)29.{30.ChatClientuser=newChatClient(listener.AcceptTcpClient());31.32.//显示连接客户端的IP与端口33.Console.WriteLine(user._clientIP+isjoined...\n);34.}35.}36.}37.}复制代码ChatClient.cs1.usingSystem;2.usingSystem.Collections.Generic;3.usingSystem.Linq;4.usingSystem.Text;5.usingSystem.Collections;6.usingSystem.Net.Sockets;7.8.namespaceTestServer9.{10.classChatClient11.{12.publicstaticHashtableALLClients=newHashtable();//客户列表13.14.privateTcpClient_client;//客户端实体15.publicstring_clientIP;//客户端IP16.privatestring_clientNick;//客户端昵称17.18.privatebyte[]data;//消息数据19.20.privateboolReceiveNick=true;21.22.publicChatClient(TcpClientclient)23.{24.this._client=client;25.26.this._clientIP=client.Client.RemoteEndPoint.ToString();27.28.//把当前客户端实例添加到客户列表当中29.ALLClients.Add(this._clientIP,this);30.31.data=newbyte[this._client.ReceiveBufferSize];32.33.//从服务端获取消息34.client.GetStream().BeginRead(data,0,System.Convert.ToInt32(this._client.ReceiveBufferSize),ReceiveMessage,null);35.}36.37.//从客戶端获取消息38.publicvoidReceiveMessage(IAsyncResultar)39.{40.intbytesRead;41.42.try43.{44.lock(this._client.GetStream())45.{46.bytesRead=this._client.GetStream().EndRead(ar);47.}48.49.if(bytesRead1)50.{51.ALLClients.Remove(this._clientIP);52.53.Broadcast(this._clientNick+hasleftthechat);54.55.return;56.}57.else58.{59.stringmessageReceived=System.Text.Encoding.ASCII.GetString(data,0,bytesRead);60.61.if(ReceiveNick)62.{63.this._clientNick=messageReceived;64.65.Broadcast(this._clientNick+hasjoinedthechat.);66.67.//this.sendMessage(hello);68.69.ReceiveNick=false;70.}71.else72.{73.Broadcast(this._clientNick++messageReceived);74.75.}76.}77.78.lock(this._client.GetStream())79.{80.this._client.GetStream().BeginRead(data,0,System.Convert.ToInt32(this._client.ReceiveBufferSize),ReceiveMessage,null);81.}82.}83.catch(Exceptionex)84.{85.ALLClients.Remove(this._clientIP);86.87.Broadcast(this._clientNick+hasleftthechat.);88.}89.}90.91.//向客戶端发送消息92.publicvoidsendMessage(stringmessage)93.{94.try95.{96.System.Net.Sockets.NetworkStreamns;97.98.lock(this._client.GetStream())99.{100.ns=this._client.GetStream();101.}102.103.//对信息进行编码104.byte[]bytesToSend=System.Text.Encoding.ASCII.GetBytes(message);105.106.ns.Write(bytesToSend,0,bytesToSend.Length);107.ns.Flush();108.}109.catch(Exceptionex)110.{111.112.}113.}114.115.//向客户端广播消息116.publicvoidBroadcast(stringmessage)117.{118.Console.WriteLine(message);119.120.foreach(DictionaryEntrycinALLClients)121.{122.((ChatClient)(c.Value)).sendMessage(message+Environment.NewLine);123.}124.}125.126.}127.}复制代码Unity3d客户端的代码ClientHandler.cs：1.usingUnityEngine;2.usingSystem.Collections;3.4.usingSystem;5.usingSystem.Collections.Generic;6.usingSystem.ComponentModel;7.usingSystem.Text;8.usingSystem.Net.Sockets;9.10.publicclassClientHandler:MonoBehaviour11.{12.constintportNo=500;13.privateTcpClient_client;14.byte[]data;15.16.//Usethisforinitialization17.voidStart()18.{19.20.}21.22.//Updateiscalledonceperframe23.voidUpdate()24.{25.26.}27.28.publicstringnickName=;29.publicstringmessage=;30.publicstringsendMsg=;31.32.voidOnGUI()33.{34.nickName=GUI.TextField(newRect(10,10,100,20),nickName);35.message=GUI.TextArea(newRect(10,40,300,200),message);36.sendMsg=GUI.TextField(newRect(10,250,210,20),sendMsg);37.38.if(GUI.Button(newRect(120,10,80,20),Connect))39.{40.//Debug.Log(hello);41.42.this._client=newTcpClient();43.this._client.Connect(127.0.0.1,portNo);44.45.data=newbyte[this._client.ReceiveBufferSize];46.47.//SendMessage(txtNick.Text);48.SendMessage(nickName);49.50.this._client.GetStream().BeginRead(data,0,System.Convert.ToInt32(this._client.ReceiveBufferSize),ReceiveMessage,null);51.};52.53.if(GUI.Button(newRect(230,250,80,20),Send))54.{55.SendMessage(sendMsg);56.sendMsg=;57.};58.}59.60.publicvoidSendMessage(stringmessage)61.{62.try63.{64.NetworkStreamns=this._client.GetStream();65.66.byte[]data=System.Text.Encoding.ASCII.GetBytes(message);67.68.ns.Write(data,0,data.Length);69.ns.Flush();70.}71.catch(Exceptionex)72.{73.//MessageBox.Show(ex.ToString());74.}75.}76.77.publicvoidReceiveMessage(IAsyncResultar)78.{79.try80.{81.intbytesRead;82.83.bytesRead=this._client.GetStream().EndRead(ar);84.85.if(bytesRead1)86.{87.return;88.}89.else90.{91.92.Debug.Log(System.Text.Encoding.ASCII.GetString(data,0,bytesRead)