socket通信趣味小测试

最新推荐文章于 2025-05-30 12:15:43 发布

转载最新推荐文章于 2025-05-30 12:15:43 发布 · 439 阅读

该博客展示了Java中Socket客户端和服务器端的代码。客户端通过Socket与服务端建立连接，向服务端写数据并接收回复；服务器端使用ServerSocket监听端口，接收客户端连接，读取客户端数据并进行回复，同时设置了超时时间。

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客户端

package socket;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.Socket;
import java.net.UnknownHostException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class SocketClient {

   public static String _pattern = "yyyy-MM-dd HH:mm:ss SSS";
public static SimpleDateFormat format = new SimpleDateFormat(_pattern);
// 设置超时间
public static int _sec = 5;

public static void main(String[] args) {
       System.out.println("-----------client-----------");

       Socket socket = null;
       try {
           //与服务端建立连接
           socket = new Socket("127.0.0.1", 8001);
           socket.setSoTimeout(_sec*1000);

           System.out.println(format.format(new Date()));
           System.out.println("建立了链接\n");

           //往服务写数据
           Writer writer = new OutputStreamWriter(socket.getOutputStream());

           System.out.println(format.format(new Date()));
           System.out.println("我在写\n");
           Thread.sleep(1000);
           writer.write("有没有收到\n");

           System.out.println(format.format(new Date()));
           System.out.println("写完了,你收下\n");
           writer.flush();

           BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));

           System.out.println(format.format(new Date()) + "\n" + _sec + "秒的时间,收到了么");
           System.out.println(format.format(new Date()) + "\nServer" + br.readLine());
       } catch (UnknownHostException e) {
           e.printStackTrace();
       } catch (IOException e) {
           e.printStackTrace();
       } catch (InterruptedException e) {
           e.printStackTrace();
       }
   }
}

服务器端

package socket;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.ServerSocket;
import java.net.Socket;
import java.text.SimpleDateFormat;
import java.util.Date;

public class SocketServer {

   public static String _pattern = "yyyy-MM-dd HH:mm:ss SSS";
   public static SimpleDateFormat format = new SimpleDateFormat(_pattern);
   //设置超时时间
   public static int _sec = 5;

   public static void main(String[] args) {
       System.out.println("-----------server-----------");
       System.err.println(format.format(new Date()));

       ServerSocket server;
       try {
           server = new ServerSocket(8001);
           System.out.println("监听建立,等你上线\n");

           Socket socket = server.accept();
           System.err.println(format.format(new Date()));
           System.out.println("建立了连接\n");

           BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));
           socket.setSoTimeout(_sec*1000);
           System.out.println(format.format(new Date()) + "\n" + _sec + "秒的时间,快写\n");

           System.out.println(format.format(new Date()) + "\nClient:" + br.readLine() + "\n");
           Writer writer = new OutputStreamWriter(socket.getOutputStream());

           System.out.println(format.format(new Date()));
           System.out.println("我在写回复\n");

           writer.write("收到\n");
           Thread.sleep(10000);
           writer.flush();

           System.out.println(format.format(new Date()));
           System.out.println("写完了\n\n\n\n");
       } catch (IOException e) {
           e.printStackTrace();
       } catch (InterruptedException e) {
           System.out.println(format.format(new Date()) + "\n" + _sec + "秒没给我数据我下啦\n\n\n\n\n");
           e.printStackTrace();
       }
   }
}