程序代码：

          this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    c5.addMouseListener(new MouseAdapter(){
    @Override
    public void mouseClicked(MouseEvent e) {
        System.out.println("投票开始");
        String host ="172.16.229.90";
        int port = 8006;
        try {
            Socket client=new Socket(host,port);
            Writer writer=new OutputStreamWriter(client.getOutputStream());
            writer.flush();
            writer.close();
            client.close();
        } catch (UnknownHostException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        } catch (IOException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }
        // TODO Auto-generated method stub
    }
    }); 
    c1.addMouseListener(new MouseAdapter(){
        @Override
        public void mouseClicked(MouseEvent e) {
            // TODO Auto-generated method stub
        }
        }); 
    c2.addMouseListener(new MouseAdapter(){
        @Override
        public void mouseClicked(MouseEvent e) {
            //System.out.println("投票成功");
            // TODO Auto-generated method stub
        }
        }); 
    c3.addMouseListener(new MouseAdapter(){
        @Override
        public void mouseClicked(MouseEvent e) {
            //System.out.println("投票成功");
            // TODO Auto-generated method stub
        }
        }); 
    c4.addMouseListener(new MouseAdapter(){
        @Override
        public void mouseClicked(MouseEvent e) {
            //System.out.println("投票成功");
            // TODO Auto-generated method stub
        }
        }); 
    
    }