Unity/U3DHMI/Assets/Scripts/ClientSocket.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

    class ClientSocket
    {
        


        private byte[] buffers;


        private Socket clientSocket;

        private int port = 8081;

        private string host = "127.0.0.1";
        //private string host = "39.107.246.58";
        public ClientSocket()
        {
            this.buffers = new byte[1100];

        }
        private Socket clientConnect(int port, string host)
        {
            IPAddress ip = IPAddress.Parse(host);
            IPEndPoint ipe = new IPEndPoint(ip, port);//把ip和端口转化为IPEndPoint实例 
            Socket c = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//创建一个Socket    
            c.NoDelay = true;
            Console.WriteLine("Conneting...");
            try
            {
                c.Connect(ipe);//连接到服务器 ;
                return c;
            }
            catch (Exception e)
            {
                throw e;
                //Thread.Sleep(1000);
                //clientConnect(port, host);
                //return c;

            }
            return null;

        }

        public void Receive()
        {
            try
            {
                clientSocket = clientConnect(port, host);
               
                while (true)//循环接收发送信息
                {
                    // Thread.Sleep(16);
                    int length = 1;
                    int packageNumber = 0;//包序
                    int row = 0;
                    while (length > 0)
                    {
                        clientSocket.Receive(buffers);
                    }

                }
            }
            catch (Exception e)
            {

              
            }
            finally
            {

                clientSocket.Close();

            }

        }

        public string byteToHexStr(byte[] bytes)
        {
            string returnStr = "";
            if (bytes != null)
            {
                for (int i = 0; i < bytes.Length; i++)
                {
                    returnStr += bytes[i].ToString("X2");
                }
            }
            return returnStr;
        }
    }