TCP: Server / Client

Java (Server):

package server;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import java.io.OutputStreamWriter;

import java.io.PrintWriter;

import java.net.ServerSocket;

import java.net.Socket; 

import java.util.Date;

  

public class Server  implements Runnable {

      private Socket clientSocket;

      Server (){

          ServerSocket ss = null;

          try {

            ss = new ServerSocket(1800);

            System.out.println("[▶] 伺服器已啟動，等待連線中...");

          } catch (IOException e) {

        }

     while (true) {

            try {

                Socket s = ss.accept();

                new Thread(this).start();

            } catch (IOException e) {

            }

       }

    }

    @Override

    public void run() {

        

        InputStreamReader isr = null;

        BufferedReader br = null;

        OutputStreamWriter osw = null;

        PrintWriter wr = null;

        String ip = null;

        

               try {

                System.out.println("------------------------------------------");

                ip = clientSocket.getInetAddress().toString();

                System.out.println("連線IP : " + ip + ":" + clientSocket.getPort());

                System.out.println("連線時間 : " + new Date());

                isr = new InputStreamReader(clientSocket.getInputStream());

                br = new BufferedReader(isr);

                String msg = br.readLine();

                osw = new OutputStreamWriter(clientSocket.getOutputStream());

                wr = new PrintWriter(osw, true);

                System.out.println("傳來的值：" + msg);

               // 遊戲邏輯，對接收到的值之後進行分類，再依需求做處理。

            } catch (IOException e) {

            }

    }

    

        public static void main(String [] args) {

         new Server ();

   }

}

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Client (Unity C#):

using System; 

using System.Net.Sockets; 

using System.IO; 

using UnityEngine;

using System.Collections;

public class TcpClientScript : MonoBehaviour{

Socket socket;

StreamReader sr;

byte[] bate, aaa;

TcpClient tcpClient;

NetworkStream ns;

public void setClinetStart(string ip, int port){

try {

tcpClient = new TcpClient (ip, port);

NetworkStream ns = tcpClient.GetStream (); 

StreamWriter sw = new StreamWriter (ns); 

sw.WriteLine ("Unity C# 傳來的訊息");           

sw.Flush (); 

StreamReader sr = new StreamReader (ns); 

print ("從 Java服務器接收到的訊息：" + sr.ReadLine ());

} catch (Exception e) {

print (e); 

Application.Quit();

}

}

}