java 套接字

简介

RT

code

package com.kuang;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;

/**
 * Created by lee on 2021/4/1.
 */
public class TcpServer {
    public static void main(String[] args) throws IOException {
        ServerSocket serverSocket = new ServerSocket(9999);
        Socket socket =serverSocket.accept();
        InputStream is = socket.getInputStream();
        byte[] buffer = new byte[1024];
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        int len;
        while((len=is.read(buffer)) != -1) {
            baos.write(buffer, 0, len);
        }
        System.out.println(baos.toString());
        baos.close();
        is.close();
        socket.close();
        serverSocket.close();
    }
}

package com.kuang;

import java.io.IOException;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;

/**
 * Created by lee on 2021/4/1.
 */
public class TcpClient {
    public static void main(String[] args) throws IOException {
        InetAddress serverIP = InetAddress.getByName("127.0.0.1");
        int port = 9999;
        Socket socket = new Socket(serverIP, port);
        OutputStream os = socket.getOutputStream();
        os.write("adfdsafdsafda".getBytes());
        os.close();
        socket.close();
    }
}