【学习笔记】socket IO demo

服务端

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;

/**
 * Created by zansha on 17/9/22.
 */
public class SocketServer {
    public static void main(String[] args) {
        int port=8080;
        if (args!=null && args.length>0){
            port=Integer.valueOf(args[0]);
        }
        ServerSocket server = null;
        try {
            server = new ServerSocket(port);
            Socket socket;
            while (true){
                socket = server.accept();
                new Thread(new SocketThread(socket)).start();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            if (server!=null){
                try {
                    server.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

import java.io.*;
import java.net.Socket;
import java.util.Date;

/**
 * Created by zansha on 17/9/22.
 */
public class SocketThread implements Runnable {
    private Socket socket;
    public SocketThread(Socket socket){
        this.socket = socket;
    }

    public void run() {
        BufferedReader bufferedReader = null;
        try {
            bufferedReader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            String body ;
            while (true){
                body = bufferedReader.readLine();
                if (body==null) break;
                if ("end".equals(body)){
                    break;
                }
                System.out.println("the client message is :"+body);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            if (bufferedReader!=null){
                try {
                    bufferedReader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (socket!=null){
                try {
                    socket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

客户端

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;

/**
 * Created by zansha on 17/9/22.
 */
public class SocketClient {
    public static void main(String[] args) {
        while (true) {
            Socket socket = null;
            PrintWriter printWriter = null;
            try {
                socket = new Socket("localhost", 8080);
                printWriter = new PrintWriter(socket.getOutputStream(),true);
                System.out.print("请输入发送内容:");
                String str = new BufferedReader(new InputStreamReader(System.in)).readLine();
                printWriter.write(str);
                printWriter.flush();
                if ("end".equals(str)){
                    break;
                }
            } catch (IOException e) {
                e.printStackTrace();
            }finally {
                if (printWriter!=null){
                    printWriter.close();
                }
                if (socket!=null){
                    try {
                        socket.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }
        }
    }
}