C# Socket模块

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;
        }
    }
}