package com.casic.util; import java.io.IOException; import java.io.OutputStream; import java.io.PrintWriter; import java.net.Socket; import java.net.UnknownHostException; /** * @author: njb * @Date: 2020/11/26 18:49 * @desc: 客户端socket */ public class Client { public static void main(String[] args) { try { //发送到8888端口 Socket socket = new Socket("127.0.0.1", 11321); //输出流 OutputStream outputStream = socket.getOutputStream(); PrintWriter printWriter = new PrintWriter(outputStream); printWriter.write("服务端你好,我是客户端"); printWriter.flush(); //关闭资源 printWriter.close(); outputStream.close(); socket.close(); } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } }