java之socket

  • Z时代
  • 2024-01-10
  • 分类：综合

java

socket系java中网络编程的内容。

1客户端：

package com.wtd.socket;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import java.net.UnknownHostException;
public class TCPClint {
    public static void main(String[] args) {
        try {
            Socket clint= new Socket("127.0.0.1", 9000);
            PrintWriter pWriter = new PrintWriter(clint.getOutputStream());
            pWriter.println("hello world");
            pWriter.flush();
            BufferedReader bReader= new BufferedReader(new InputStreamReader(clint.getInputStream()));
            String line= bReader.readLine();
            System.out.println(line);
            clint.close();
        } catch (UnknownHostException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

2.服务器：

服务器线程：

package com.wtd.socket;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
public class ServerThread extends Thread {
    private Socket socket;
    public ServerThread(Socket socket) {
        this.socket= socket;
        // TODO Auto-generated constructor stub
    }
    @Override
    public void run() {
        BufferedReader bReader;
        try {
            bReader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            String text = bReader.readLine();
            PrintWriter pWriter = new PrintWriter(socket.getOutputStream());
            pWriter.println(text+ " from thread server");
            pWriter.flush();
        } catch (IOException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } finally{
            try {
                socket.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}

2.服务器端：

package com.wtd.socket;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
public class TCPServer2 {
    public static void main(String[] args) {
        try {
            ServerSocket server= new ServerSocket(9000);
            while (true) {
                Socket socket= server.accept();
                ServerThread serverThread= new ServerThread(socket);
                serverThread.start();
            }
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

执行：先执行服务器端，然后执行客户端：

output:

hello world from thread server

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