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因为需要用到unity和其他的程序交互，其他程序可以提供Udp消息，因此找了合适的相互连接方法。这里直接上代码。

工具类：

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using UnityEngine;
using UnityEngine.Video;public class UdpManager
{public static string m_receivedMessage;static IPEndPoint m_IPEndPoint;static UdpClient m_udpClient;public static void InitializeUdpClient(){m_IPEndPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 8080);m_udpClient = new UdpClient(m_IPEndPoint);UdpModel s = new UdpModel(m_udpClient, m_IPEndPoint);m_udpClient.BeginReceive(EndReceive, s);Debug.Log("服务器启动");}//结束得到的信息private static void EndReceive(IAsyncResult ar){try{UdpModel m_UdpModel = ar.AsyncState as UdpModel;if (m_UdpModel != null){UdpClient udpClient = m_UdpModel.m_udpclient;IPEndPoint ip = m_UdpModel.m_ip;Byte[] receiveBytes = udpClient.EndReceive(ar, ref ip);string msg = Encoding.UTF8.GetString(receiveBytes);m_receivedMessage = msg;udpClient.BeginReceive(EndReceive, m_UdpModel); //开始获取}}catch (Exception ex){//处理异常}}//udp模型private class UdpModel{public UdpClient m_udpclient = null;public IPEndPoint m_ip;public UdpModel(UdpClient udpclient, IPEndPoint ip){this.m_udpclient = udpclient;this.m_ip = ip;}}//关闭public static void Close(){if (m_udpClient != null){m_udpClient.Close();m_udpClient = null;}}/// <summary>/// 发送数据/// </summary>/// <param name="obj"></param>public static void SendMessage(string message){UdpClient myUdpClient = new UdpClient();IPEndPoint endpoint;//当前服务器ip和端口号myUdpClient = new UdpClient(new IPEndPoint(IPAddress.Any, 8800));//要发送给的地址和端口号，255.255.255.255表示在这个局域网的所有ipendpoint = new IPEndPoint(IPAddress.Parse("192.168.31.174"), 1180);byte[] bytes = Encoding.UTF8.GetBytes(message);try{myUdpClient.Send(bytes, bytes.Length, endpoint);myUdpClient.Close();}catch (Exception err){Console.Write(err.Message, "发送失败");}finally{myUdpClient.Close();}}
}

需要挂载运行的脚本：

using System.Collections.Generic;
using UnityEngine.UI;
using UnityEngine;
using UnityEngine.Video;/// <summary>
/// 服务接收生成
/// </summary>
public class ServerControl : MonoBehaviour
{void Start(){UdpManager.InitializeUdpClient();//part1Root.SetActive(true);//part2Root.SetActive(false);}void Update(){if (UdpManager.m_receivedMessage != null){string[] array = UdpManager.m_receivedMessage.Split(',');Debug.Log(UdpManager.m_receivedMessage);UdpManager.m_receivedMessage = null;}}private void OnDestroy(){UdpManager.Close();}
}

使用方法很简单，把ServerControl脚本挂载在一个物体上，直接运行即可，接受信息的方法和发送的方法都在两个脚本里。