unity使用Tcp/UDP协议网络通信实现(Socket简单应用)
一.TCP协议
服务器端:
1.打开vs,创建一个c#的控制台应用程序
代码如下(记得把ip换成自己电脑ip)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net.Sockets;
using System.Net;
namespace Socket服务器端
{
class Program
{
static void Main(string[] args)
{
//创建一个socket对象
Socket tcpServer = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//寻址方案,套接字类型,协议类型
//2.绑定一个ip和端口
//ip用自己电脑ip
//IPAddress ipaddress = new IPAddress(new byte[] { 192,168,1,104 });
IPAddress ipaddress = IPAddress.Parse("192.168.1.104");//将一个字符串类型的ip地址转化成一个IPAddress的对象
EndPoint endpoint = new IPEndPoint(ipaddress, 5000);
tcpServer.Bind(endpoint);//向操作系统申请一个可用的ip和端口号用来通讯
//3.开始监听客户端的连接请求
tcpServer.Listen(100);//最大连接数
Console.WriteLine("服务器启动完成");
Socket clientSocket = tcpServer.Accept();//暂停当前线程,直到一个客户端连接过来
Console.WriteLine("接收到客户端的连接请求!");
//4.发送/接受消息
string message = "Hello Client";
var data = Encoding.UTF8.GetBytes(message);//将字符串转化成字节数组
clientSocket.Send(data);//发送
Console.WriteLine("服务器向客户端发送了一条消息:" + message);
//接受客户端消息
byte[] data2 = new byte[1024];//存放消息的字节数组容器
int length = clientSocket.Receive(data2);
string message2 = Encoding.UTF8.GetString(data2, 0, length);//bytes转化成string
Console.WriteLine("服务器接收到客户端发送过来的消息:"+message2);
Console.Read();
}
}
}
客户端:
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Net.Sockets;
using System.Net;
using System.Text;
public class SocketClient : MonoBehaviour
{
private Socket tcpClient;
private string serverIP = "192.168.1.104";//这个ip用自己电脑ip
private int serverPort = 5000;
// Start is called before the first frame update
void Start()
{
//1.创建一个Socket
tcpClient = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
//2.建立连接请求
IPAddress ipaddress = IPAddress.Parse(serverIP);
EndPoint endPoint = new IPEndPoint(ipaddress, serverPort);
tcpClient.Connect(endPoint);
Debug.Log("请求服务器连接");
//3.接受/发送消息
byte[] data = new byte[1024];
int length = tcpClient.Receive(data);
var message = Encoding.UTF8.GetString(data, 0, length);
Debug.Log("客户端接收到服务器发来的消息:" + message);
//发送消息
string message2 = "Client Say To Server Hello";
tcpClient.Send(Encoding.UTF8.GetBytes(message2));
Debug.Log("客户端向服务器发送消息"+message2);
}
// Update is called once per frame
void Update()
{
}
}
代码配置完成之后
运行服务器端
可以看到控制台已经运行起来了
然后运行unity工程
成功了
代码中有注释,有时间的话仔细看一遍,搞懂
特点效果(客户端可以一直向服务器发送消息,服务器也可以一直接收消息):
二.UDP协议
服务器端
using System;
using System.Net.Sockets;
using System.Net;
using System.Text;
namespace C_高级课程练习
{
/// <summary>
/// Description of UDP_my.
/// </summary>
public class UDP_my
{
public UDP_my()
{
}
public static void Main(string[] args)
{
//建立udp服务器,参数2:udp协议以数据报的方式传输,参数3:UDP协议
Socket udpServer = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
//为服务器绑定IP
IPAddress ip = IPAddress.Parse("192.168.1.104");
EndPoint ep = new IPEndPoint(ip, 3456);
udpServer.Bind(ep);
//接收数据
EndPoint endP = new IPEndPoint(IPAddress.Any, 0);
string message;
byte[] data = new byte[1024];
int length = 0;
//把数据的来源放到第二个参数上
while (true)
{
length = udpServer.ReceiveFrom(data, ref endP);
message = Encoding.UTF8.GetString(data, 0, length);
Console.WriteLine("从IP:" + (endP as IPEndPoint).Address + "取到了消息:" + message);
}
}
}
}
客户端
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Net.Sockets;
using System.Net;
using System.Text;
using System;
using UnityEngine.UI;
using System.Threading;
public class UDP_Test : MonoBehaviour
{
private Socket udpClient;//创建客户端
private IPAddress ip;
private EndPoint ep;
private byte[] data = new byte[2048];//用来接收和发送数据
private int length = 0;
private string message;
public Text inputText;//输入栏
public Text outputText;//显示栏
private string allMessage;
void Start()
{
UDPInit();
}
private void UDPInit()
{
//建立udp客户端,参数2:udp协议以数据报的方式传输,参数3:UDP协议
udpClient = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
//发送信息准备工作
ip = IPAddress.Parse("192.168.1.104");
ep = new IPEndPoint(ip, 3456);
}
public void SendMessageToServer()
{
message = inputText.text;//得到输入框中的信息
inputText.text = "";
data = Encoding.UTF8.GetBytes(message);
allMessage += message + '\n';
outputText.text = allMessage;//将要发送的信息显示出来
udpClient.SendTo(data, ep);
}
}
参考博文:https://blog.csdn.net/hyy_sui_yuan/article/details/81279365