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服务端

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading;using System.Runtime.InteropServices;using System.Net;using System.Net.Sockets;namespace ConsoleApplication2{    class Program    {        static void Main(string[] args)        {            //本机IP            IPAddress ip = IPAddress.Parse("192.168.0.154");            //IP地址跟端口的组合            IPEndPoint iep = new IPEndPoint(ip, 9000);            //创建Socket            Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);            //绑定Socket            socket.Bind(iep);            //服务器已经做好接收任何连接的准备            socket.Listen(10);            //执行accept方法            Socket Client = socket.Accept();            while (true)            {                byte[] message = new byte[1024];                NetworkStream networkStream = new NetworkStream(Client);                int len = networkStream.Read(message, 0, message.Length);                if (len > 0)                {  byte数组转换成string                //string output = System.Text.Encoding.Unicode.GetString(message);                //Console.WriteLine("一共从客户端接收了" + len.ToString() + "字节。接收字符串为：" + output);                }            }        }    }}

客户端

using System;using System.Collections.Generic;using System.Text;using System.Net;using System.Net.Sockets;using System.Threading;using UnityEngine;class ClientNet{    private Socket init()    {        Socket clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);        return clientSocket;    }    public bool Connect(string host,int port)    {        if (m_socket == null)            m_socket = init();        //要连接的远程IP        IPAddress remoteHost = IPAddress.Parse(host);        //IP地址跟端口的组合        IPEndPoint iep = new IPEndPoint(remoteHost, port);        try         {            m_socket.Connect(iep);            return true;        }        catch (System.Exception ex)        {            Debug.LogError("connect error");            return false;        }    }    public void SendData(byte[] bytes)    {        NetworkStream netstream = new NetworkStream(m_socket);        netstream.Write(bytes, 0, bytes.Length);    }    public void CloseSocket()    {        m_socket.Shutdown(SocketShutdown.Both);        m_socket.Close();    }    private Socket m_socket;    private static ClientNet s_instance;    private static readonly byte[] c_staticLocker = new byte[0];    public static ClientNet Instance    {        get        {            if (s_instance == null)            {                lock (c_staticLocker)                {                    s_instance = new ClientNet();                }            }            return s_instance;        }    }}

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