java多进程实现简易聊天

服务器端

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Scanner;
 
public class Server {
    public static void main(String[] args) throws IOException {
        ServerSocket ss = new ServerSocket(8889);
        Scanner sc = new Scanner(System.in);
        Socket s = ss.accept();
        InputStream is = s.getInputStream();
        InputStreamReader isr = new InputStreamReader(is);
        BufferedReader br = new BufferedReader(isr);
        OutputStream os = s.getOutputStream();
        OutputStreamWriter osw = new OutputStreamWriter(os);
        Thread tr = new Thread(new Read(s,"客户端"));
        Thread tw = new Thread(new Write(s,"客户端"));
        tr.start();
        tw.start();
        if(s.isClosed()) {
            ss.close();
        }
 
    }
}

客户端

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;
 
public class Client {
    public static void main(String[] args) throws UnknownHostException, IOException {
        Socket s = new Socket("10.25.34.2", 8889);
        OutputStream  os = s.getOutputStream();
        OutputStreamWriter osw  = new OutputStreamWriter(os);
        InputStream is = s.getInputStream();
        InputStreamReader isr = new InputStreamReader(is);
        BufferedReader br = new BufferedReader(isr);
        Thread tr = new Thread(new Read(s,"服务器"));
        Thread tw = new Thread(new Write(s,"服务器"));
        tr.start();
        tw.start();
 
 
    }
}

读

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.Socket;
 
public class Read implements Runnable{
    private Socket s;
    private String name;
     
    public Read(Socket s,String name) {
        super();
        this.s = s;
        this.name = name;
    }
 
    @Override
    public void run() {
        // TODO Auto-generated method stub
        String cmes = null;
        InputStream is =null;
        InputStreamReader isr = null;
        BufferedReader br = null;
        try {
            is = s.getInputStream();
            isr = new InputStreamReader(is);
            br = new BufferedReader(isr);
            System.out.println("你已上线，"+name+"正在对你输入...");
            while (true) {
                cmes = br.readLine();
                if("88".equals(cmes)) {
                    break;
                }
                System.out.println(name+"对你说：" + cmes);                                     
            }
        } catch (IOException e1) {
                // TODO Auto-generated catch block
            e1.printStackTrace();
        } finally {
            try {
                br.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            try {
                isr.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            try {
                is.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            try {
                s.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
 
}

写

import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.Socket;
import java.util.Scanner;
 
public class Write implements Runnable{
    private Socket s;
    private String name;
     
    public Write(Socket s,String name) {
        super();
        this.s = s;
        this.name = name;
    }
 
    @Override
    public void run() {
        // TODO Auto-generated method stub
        String mes = null;
        Scanner sc = new Scanner(System.in);
        OutputStream os = null;
        OutputStreamWriter osw = null;
        try {
            os = s.getOutputStream();
            osw = new OutputStreamWriter(os);
            while (true) {
                mes = sc.next();
                try {
                    osw.write(mes + "n");
                    osw.flush();
                    if("88".equals(mes)) {
                        break;
                    }
                } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                System.out.println("你对"+name+"说："+mes);
            }
        } catch (IOException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } finally {
            sc.close();
            try {
                osw.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            try {
                os.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            try {
                s.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
         
         
    }
 
}