服务端和客户端互聊

Posted 2021-01-30 chinaifae

package socket;

 

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.net.ServerSocket;

import java.net.Socket;

import java.util.Scanner;

 

public class Server {

 

    public static void main(String[] args) {

        try {

 

            ServerSocket ss = new ServerSocket(8888);

 

            System.out.println("监听在端口号:8888");

            Socket s = ss.accept();

 

            InputStream is = s.getInputStream();

            DataInputStream dis = new DataInputStream(is);

            OutputStream os = s.getOutputStream();

            DataOutputStream dos = new DataOutputStream(os);

 

            while (true) {

                String msg = dis.readUTF();

                System.out.println("收到客户端信息"+msg);

                Scanner sc = new Scanner(System.in);

                String str = sc.next();

                dos.writeUTF(str);

            }

 

        } catch (IOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

 

    }

}

 

 

 

 

 

 

 

package socket;

  

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.net.Socket;

import java.net.UnknownHostException;

import java.util.Scanner;

  

public class Client {

  

    public static void main(String[] args) {

  

        try {

            Socket s = new Socket("127.0.0.1", 8888);

  

            OutputStream os = s.getOutputStream();

            DataOutputStream dos = new DataOutputStream(os);

            InputStream is = s.getInputStream();

            DataInputStream dis = new DataInputStream(is);

              

            while(true){

                Scanner sc = new Scanner(System.in);

                String str = sc.next();

                dos.writeUTF(str);

                String msg = dis.readUTF();

                System.out.println("收到服务端信息"+msg);

            }

              

        } catch (UnknownHostException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } catch (IOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

}