unity聊天室

服务端

class Client
    {
        private Socket clientSocket;
        private Thread t;
        private byte[] data = new byte[1024];//这个是一个数据容器

        public Client(Socket s)
        {
            clientSocket = s;
            //启动一个线程 处理客户端的数据接收
            t = new Thread(ReceiveMessage);
            t.Start();
        }

        private void ReceiveMessage()
        {
            //一直接收客户端的数据
            while (true)
            {
                //在接收数据之前  判断一下socket连接是否断开
                if (clientSocket.Poll(10, SelectMode.SelectRead))
                {
                    clientSocket.Close();
                    break;//跳出循环 终止线程的执行
                }

                int length = clientSocket.Receive(data);
                string message = Encoding.UTF8.GetString(data, 0, length);
                //接收到数据的时候 要把这个数据 分发到客户端
                //广播这个消息
                Program.BroadcastMessage(message);
                Console.WriteLine("收到了消息:" + message);
            }
        }

        public void SendMessage(string message)
        {
            byte[] data = Encoding.UTF8.GetBytes(message);
            clientSocket.Send(data);
        }

        public bool Connected
        {
            get { return clientSocket.Connected; }
        }
    }

    class Program
    {
        static List<Client> clientList = new List<Client>();
        /// <summary>
        /// 广播消息
        /// </summary>
        /// <param name="message"></param>
        public static void BroadcastMessage(string message)
        {
            var notConnectedList = new List<Client>();
            foreach (var client in clientList)
            {
                if (client.Connected)
                    client.SendMessage(message);
                else
                {
                    notConnectedList.Add(client);
                }
            }
            foreach (var temp in notConnectedList)
            {
                clientList.Remove(temp);
            }
        }
        static void Main(string[] args)
        {
            Socket tcpServer = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
            tcpServer.Bind(new IPEndPoint(IPAddress.Parse("192.168.0.101"), 7788));

            tcpServer.Listen(100);
            Console.WriteLine("server running...");

            while (true)
            {
                Socket clientSocket = tcpServer.Accept();
                Console.WriteLine("a client is connected !");
                Client client = new Client(clientSocket);//把与每个客户端通信的逻辑(收发消息)放到client类里面进行处理
                clientList.Add(client);
            }

        }
    }

ChatManager.cs:

 public string ipaddress = "192.168.0.101";
    public int port = 7788;
    public InputField  textInput;
    public Text chatText;

    private Socket clientSocket;
    private Thread t;
    private byte[] data = new byte[1024];//数据容器
    private string message = "";//消息容器
                                // Use this for initialization
    void Start()
    {
        ConnectToServer();
    }

    // Update is called once per frame
    void Update()
    {
        if (message != null && message != "")
        {
            chatText.text += "\n" + message;
            message = "";//清空消息
        }
    }

    void ConnectToServer()
    {
        clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
        //跟服务器端建立连接
        clientSocket.Connect(new IPEndPoint(IPAddress.Parse(ipaddress), port));

        //创建一个新的线程 用来接收消息
        t = new Thread(ReceiveMessage);
        t.Start();
    }
    /// <summary>
    /// 这个线程方法 用来循环接收消息
    /// </summary>
    void ReceiveMessage()
    {
        while (true)
        {
            if (clientSocket.Connected == false)
                break;

            int length = clientSocket.Receive(data);
            message = Encoding.UTF8.GetString(data, 0, length);
            //chatLabel.text += "\n" + message;
        }
    }

    void SendMessage(string message)
    {
        byte[] data = Encoding.UTF8.GetBytes(message);
        clientSocket.Send(data);
    }

    public void OnSendButtonClick()
    {
        string value = textInput.text ;
        SendMessage(value);
        textInput.text  = "";
    }

    void OnDestroy()
    {
        clientSocket.Shutdown(SocketShutdown.Both);

        clientSocket.Close();//关闭连接
    }

运行时先启动Program.cs，在运行unity。