应用多线程来实现服务器与多客户端之间的通信

工具类

public class ThreadUtils extends Thread{

    private Socket socket = null;

    public ThreadUtils (Socket socket){//创建构造方法
        this.socket = socket;
    }

    public void run() {
        InputStream is = null;
        InputStreamReader isr = null;
        BufferedReader bf = null;
        try {
            is = socket.getInputStream(); //获得字节输入流
            isr = new InputStreamReader(is);//将字节输入流转为 字符输入流
            bf = new BufferedReader(isr); //将字符输入流加入缓冲区
            String data = null;//返回的数据
            while (bf.readLine()!=null){
                data = bf.readLine(); //读取数据
            }
            socket.shutdownInput();//关闭输入流

        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            try {
                if(bf!=null)
                    bf.close();
                if(isr!=null)
                    isr.close();
                if(is!=null)
                    is.close();
                if(socket!=null)
                    socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }


    }
}

Action类