Socket 简单通信代码

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SocketService.java 服务器

package com.travelsky.quartz.bean;import java.io.DataInputStream;import java.io.DataOutputStream;import java.net.ServerSocket;import java.net.Socket;public class SocketService {private static ServerSocket server;public static void main(String[] args) {try {server=new ServerSocket(4331);System.out.println("等待客户端呼叫");Socket sok = server.accept();DataOutputStream out = new DataOutputStream(sok.getOutputStream());DataInputStream in = new DataInputStream(sok.getInputStream());String s = null;int i = 0;while(true){//s = in.readUTF();out.writeUTF(++i+"服务器发送的消息");//System.out.println("服务器收到："+s);Thread.sleep(2000);}} catch (Exception e) {e.printStackTrace();}}}

SocketTest.java 客户端

package com.travelsky.quartz.bean;import java.io.DataInputStream;import java.io.DataOutputStream;import java.io.IOException;import java.net.Socket;import java.net.UnknownHostException;public class SocketTest {private static Socket socket;public static void main(String[] arg){try {socket = new Socket("172.29.1.178",4331);//本机ip,端口随意，只要是未被占用的DataInputStream in = new DataInputStream(socket.getInputStream());DataOutputStream out = new DataOutputStream(socket.getOutputStream());String s = null;int i =0;while(true){//out.writeUTF("用户自定义消息");s = in.readUTF();System.out.println(++i+"客户端收到："+s);Thread.sleep(500);}} catch (UnknownHostException e) {e.printStackTrace();} catch (Exception e) {e.printStackTrace();} finally{closeSocket();}}private static void closeSocket(){if(socket != null){try {socket.close();} catch (IOException e) {e.printStackTrace();}}}}

客户端和服务器可以相互通信

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