Java-Socket(1) 半双工一次性通信

柔光的暖阳◎ 2024-02-17 20:35 2阅读 0赞

// 服务器端代码
    package com.test;
    
    import java.io.*;
    import java.net.*;
    
    public class MyServer  {
    
        public MyServer() {
            try {
                ServerSocket ss = new ServerSocket(9999);
                Socket s = ss.accept();
                System.out.println("监听到一个连接 "+s.getLocalPort());
    
                // 读取数据
                InputStreamReader isr = new InputStreamReader(s.getInputStream());
                BufferedReader br = new BufferedReader(isr);
    
    
                String info = br.readLine();
    
                System.out.println(info);
    
                PrintWriter pw = new PrintWriter(s.getOutputStream(), true);
    
                pw.println("你好，我是服务器！");
    
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
    
        }
    
        public static void main(String[] args) {
            // TODO Auto-generated method stub
            new MyServer();
        }
    
    }

// 客户端代码
    package com.test;
    
    
    import java.io.*;
    import java.net.*;
    
    public class MyClient {
        
    
        public MyClient() {
            try {
                // socket用于连接某个服务器
                Socket s = new Socket("localhost", 9999);
    
                PrintWriter pw = new PrintWriter(s.getOutputStream(), true);
    
                pw.println("你好，我是客户端");
    
                // 读取数据
                InputStreamReader isr = new InputStreamReader(s.getInputStream());
                BufferedReader br = new BufferedReader(isr);
    
                System.out.println(br.readLine());
    
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
    
        }
    
        public static void main(String[] args) {
    
            new MyClient();
        }
    
    }