这篇文章给大家分享的是有关Unity如何实现聊天室功能的内容。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。
聊天室服务器
服务器需要有以下几个步骤
确定Socket协议类型（采用TCP协议或者UDP协议）
2、绑定服务器的IP地址和端口号
3、设置最大监听数量
4、等到连接并处理消息
由于服务器属于一对多的处理关系，因为我们需要用线程来监听消息：
class Client { private Socket clientSocket; private Thread t; public bool Connected { get { return clientSocket.Connected; } } private byte[] data = new byte[1024];//数据容器 public Client(Socket client) { clientSocket = client; //启动一个线程，处理客户端的接受 t = new Thread(ReceiveMsg); t.Start(); } private void ReceiveMsg() { while (true) { //在接收数据之前，判断Socket连接是否断开 if (!clientSocket.Connected) { clientSocket.Close(); break;//跳出循环终止线程的执行 } int length=clientSocket.Receive(data); string msg = Encoding.UTF8.GetString(data, 0, length); //服务端接收数据后，要将数据分发到客户端 //广播消息 Program.BroadcastMsg(msg); } } public void SendMsg(string msg) { byte[] data = Encoding.UTF8.GetBytes(msg); clientSocket.Send(data); } }服务器主要代码：
class Program { static List<Client> clients = new List<Client>(); //本机IP：192.168.100.172 static void Main(string[] args) { Socket tcpServer = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); tcpServer.Bind(new IPEndPoint(IPAddress.Parse("192.168.100.172"), 7788)); tcpServer.Listen(5000); Console.WriteLine("Server Running......."); while (true) { var clientSocket = tcpServer.Accept(); Console.WriteLine("建立连接"); Client client = new Client(clientSocket); clients.Add(client); } } public static void BroadcastMsg(string msg) { var noConnecteds = new List<Client>(); foreach (var client in clients) { if (client.Connected) { client.SendMsg(msg); } else { noConnecteds.Add(client); } } foreach (var del in noConnecteds) { clients.Remove(del); } }}Unity客户端代码
Unity客户端代码就十分简单，监听服务器的消息并显示到界面上即可
using System.Collections;using System.Collections.Generic;using UnityEngine;using System.Net;using System.Net.Sockets;using System.Text;using UnityEngine.UI;using System.Threading;public class ChatManager : MonoBehaviour{ public string IP = "192.168.100.172"; public int Port = 7788; private Socket client; private Thread t; public InputField input; public Button sendBtn; public Text item; public string name; private string msg=string.Empty; // Start is called before the first frame update void Start() { ConnectedToServer(); sendBtn.onClick.AddListener(() => { SendMsg(input.text); input.text = string.Empty; }); } // Update is called once per frame void Update() { //由于在Unity中不允许在线程中调用UnityAPI，因此需要的Update中刷新显示 if (!string.IsNullOrEmpty(msg)) { item.text += "\n" + msg; msg = string.Empty; } } private void ConnectedToServer() { client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); client.Connect(new IPEndPoint(IPAddress.Parse(IP), Port)); //创建一个线程用来接收消息 t = new Thread(ReceiveMsg); t.Start(); } byte[] data = new byte[1024]; public void ReceiveMsg() { while (true) { if (!client.Connected) { break; } int length = client.Receive(data); msg = Encoding.UTF8.GetString(data, 0, length); } } public void SendMsg(string msg) { byte[] data = Encoding.UTF8.GetBytes(name+":"+msg); client.Send(data); } public void OnDestroy() { client.Close(); }}实际运行效果（注意需要先启动服务器）：
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