我们一起学网络程序设计之二~~~~~~~~~~~~~~~~~~单项通信

我们一起学网络程序设计之二~~~~~~~~~~~~~~~~~~单项通信

Server.java2

mport java.net. * ;
import  java.io. * ;

public   class  Server2  {
    private  BufferedReader reader;
    private  Socket socket;
    private  ServerSocket serve;
     public  Server2()  {}
void  startServer() {
  try {
  serve = new  ServerSocket( 7777 );
  System.out.println( " 服务器套接字创建完毕 " );
   while ( true ) {
   System.out.println( " 等待客户机 " );
   socket = serve.accept();
   System.out.println( " 完成与客户机的连接 " );
   reader = new  BufferedReader( new  InputStreamReader(socket.getInputStream()));
   getMessage();
  }
 } catch (Exception e) {
  System.out.println(e);
 }
}
void  getMessage() {
  try {
   while ( true ) {
   System.out.println( " 客户机:  " + reader.readLine());
  }
 } catch (Exception e) {} finally {
   try {
    if (reader != null ) reader.close();
    if (socket != null ) socket.close();
  } catch (IOException ie) {
  }
 }
}
     public   static   void  main(String[] args)  {
        Server2 server = new  Server2();
        server.startServer();
    }
}

Client2.java

import  java.awt. * ;
import  java.net. * ;
import  java.io. * ;
import  java.awt.event. * ;

public   class  Client2  extends  Frame {
   private TextArea msgView=new TextArea();
   private TextField sendBox=new TextField();
   private PrintWriter writer;
   Socket socket;
    public Client2(String title) {
        super(title);
        msgView.setEditable(false);
        add(msgView,"North");
        add(sendBox,"South");
        sendBox.addActionListener(new ActionListener(){
        public     void actionPerformed(ActionEvent e){
            writer.println(sendBox.getText());
            msgView.append(sendBox.getText()+"\n");
            sendBox.setText("");
        }
        });
        pack();
    }
    
    public     void connect(){
        try{
            msgView.append("尝试与服务器连接\n");
            socket=new Socket("192.168.1.22",7777);
            msgView.append("请输入待传字符串\n") ;
            writer=new PrintWriter(socket.getOutputStream(),true);
        }catch(Exception e){
            writer.println("连接失败");
        }
    }
    public static void main(String[] args) {
        Client2 client=new Client2("向服务器发送数据");
        client.setVisible(true);
        client.connect();
    }
}