Telnet测试BIO Socket

import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class BIOserver {
    public static void main(String[] args)throws Exception {
        ExecutorService newCachedThreadPool = Executors.newCachedThreadPool();
//创建serverSecket
        ServerSocket serverSocket = new ServerSocket(6000);
        System.out.print("服务器启动了");
        while (true){
            //监听，等待客户端连接
             final Socket socket = serverSocket.accept();
             System.out.print("连接到一个客户端");
             //创建一个线程
            newCachedThreadPool.execute(new Runnable() {
                @Override
                public void run() {
                    //重写
                    //可以和客户端通信
                    handler(socket);

                }
            });
        }
    }
    //编写一个handler方法，和客户端通讯
    public static void handler(Socket socket){
        try {


            byte[] bytes = new byte[1024];
            //通过Socket获取输入流
            InputStream inputStream = socket.getInputStream();
            while (true){
                int read = inputStream.read(bytes);
                if(read!=-1){
                    System.out.println(new java.lang.String(bytes,0,read));//输出客户端发送数据
                }else {
                    break;
                }
            }
        }catch (Exception e){
            e.printStackTrace();
        }finally{
            System.out.println("关闭和client的连接");
            try{
                socket.close();
            }catch (Exception e){
                e.printStackTrace();
            }
        }


    }

}