import java.awt.*;//import javax.swing.*;import java.awt.event.*;import java.net.*;import java.io.*;public class MainWindow extends Frame implements Runnable{    Go panelGo=new Go();    Image myImage;    int PORT;    Socket sendSocket;//主動連接Socket    PrintWriter writer;//用來發送message    boolean stopFlag;    boolean isInitiative;    Point messagePoint;    Point goStartPoint=null;    Point yellowPoint=null;    boolean stepColor=true;    Point LastPoint=null;//移除黃點時，判斷位置變動    BorderLayout borderLayout1 = new BorderLayout();    Panel panel1 = new Panel();    Panel panel2 = new Panel();    BorderLayout borderLayout2 = new BorderLayout();    Panel panel3 = new Panel();    CheckboxGroup checkboxGroup1 = new CheckboxGroup();    Checkbox checkbox1 = new Checkbox();    Checkbox checkbox2 = new Checkbox();    Label label1 = new Label();    TextField textField1 = new TextField();    Button button1 = new Button();    Label label2 = new Label();    Choice choice1 = new Choice();    Button button2 = new Button();    GridLayout gridLayout1 = new GridLayout();    BorderLayout borderLayout3 = new BorderLayout();    public MainWindow()    {        try        {            jbInit();        }        catch(Exception e)        {            e.printStackTrace();        }    }    private void jbInit() throws Exception    {        choice1.setBackground(new Color(236, 190, 98));        button1.setBackground(new Color(236, 190, 98)); //       try //       { //          UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); //       }catch(Exception e){e.printStackTrace();}        this.setResizable(false);        new Thread(this).start();//啟動監聽線程        this.PORT=1976;        this.isInitiative=false;//是否主動連接        this.stopFlag=false;//是否繼續監聽的標志        this.choice1.addItem("黑");        this.choice1.addItem("白");        LastPoint=new Point();        messagePoint=new Point();        this.setSize(470,450);        this.setTitle("黑白分明 Beta1.0       作者:鄒宇凱");        this.panelGo.setEnabled(false);//開始之前屏蔽掉盤面        checkbox1.addMouseListener(new java.awt.event.MouseAdapter()        {            public void mouseClicked(MouseEvent e)            {                checkbox1_mouseClicked(e);            }        });        this.goStartPoint=this.panelGo.getLocation();//        this.setLayout(borderLayout1);        panel1.setLayout(borderLayout2);        checkbox1.setCheckboxGroup(checkboxGroup1);        checkbox1.setLabel("單機");        checkbox2.setCheckboxGroup(checkboxGroup1);        checkbox2.setLabel("聯機");        checkbox2.addMouseListener(new java.awt.event.MouseAdapter()        {            public void mouseClicked(MouseEvent e)            {                checkbox2_mouseClicked(e);            }        });        label1.setText("對方地址");        button1.setLabel("連接");        button1.addActionListener(new java.awt.event.ActionListener()        {            public void actionPerformed(ActionEvent e)            {                button1_actionPerformed(e);            }        });        label2.setText("  ");        button2.setBackground(new Color(236, 190, 98));        button2.setLabel("開始");        button2.addActionListener(new java.awt.event.ActionListener()        {            public void actionPerformed(ActionEvent e)            {                button2_actionPerformed(e);            }        });        panel3.setLayout(gridLayout1);        gridLayout1.setRows(8);        gridLayout1.setColumns(1);        gridLayout1.setHgap(100);        gridLayout1.setVgap(10);        panel2.setLayout(borderLayout3);        this.panel2.setSize(500,70);        panelGo.addMouseMotionListener(new java.awt.event.MouseMotionAdapter()        {            public void mouseMoved(MouseEvent e)            {                panelGo_mouseMoved(e);            }        });        panelGo.addMouseListener(new java.awt.event.MouseAdapter()        {            public void mouseClicked(MouseEvent e)            {                panelGo_mouseClicked(e);            }        });        this.addWindowListener(new java.awt.event.WindowAdapter()        {            public void windowClosing(WindowEvent e)            {                this_windowClosing(e);            }        });        panel3.setBackground(new Color(236, 190, 98));        panel3.add(checkbox1, null);        panel3.add(checkbox2, null);        panel3.add(label1, null);        panel3.add(textField1, null);        panel3.add(button1, null);        panel3.add(choice1, null);        panel3.add(button2, null);        panel3.add(label2, null);        this.panel1.add(this.panelGo,BorderLayout.CENTER);        this.panel1.add(panel3, BorderLayout.EAST);        this.add(panel2, BorderLayout.SOUTH);        this.add(panel1, BorderLayout.CENTER);        this.disableLink();//廢掉控件        //this.button2.setEnabled(false);//廢掉開始        this.checkboxGroup1.setSelectedCheckbox(this.checkbox1);        this.yellowPoint=new Point(1000,1000);//初始化一個世紀外的黃點	  this.centerWindow();        this.show();        myImage=this.createImage(16,16);//用來紀錄有黃點之前的圖像    }    void centerWindow()    {	  Dimension d=Toolkit.getDefaultToolkit().getScreenSize();	  int pX=(d.width-this.getWidth())/2;	  int pY=(d.height-this.getHeight())/2;	  this.setLocation(pX,pY);    }    public static void main(String args[])    {        MainWindow main=new MainWindow();    }    //監聽線程    public void run()    {        try        {            ServerSocket serverSocket=new ServerSocket(PORT);            Socket receiveSocket=null;            receiveSocket=serverSocket.accept();            if(this.isInitiative)//如果已在進行，則不接受連接                this.stopFlag=true;            this.checkboxGroup1.setSelectedCheckbox(this.checkbox2);//自動選擇聯機            this.button1.setEnabled(false);            this.choice1.setEnabled(true);            this.textField1.setEnabled(false);            this.checkbox1.setEnabled(false);            this.checkbox2.setEnabled(false);            this.writer=new PrintWriter(receiveSocket.getOutputStream(),true);            BufferedReader reader=new BufferedReader(new InputStreamReader(receiveSocket.getInputStream()));            String message;            while(!this.stopFlag)            {                this.panelGo.showError("接收連接成功");                message=reader.readLine();                this.doMessage(message);            }            reader.close();            receiveSocket.close();            serverSocket.close();        }catch(IOException ioe){this.panelGo.showError("意外中斷");}    }    //處理接收到的東東    void doMessage(String message)    {        if(message.startsWith("start"))//判斷開始        {            this.panelGo.showError("對方已開始");            if(message.equals("start_black"))                this.choice1.select("白");            else                this.choice1.select("黑");            if(this.choice1.getSelectedItem().equals("黑"))//只要你是黑的，就先走                this.panelGo.setEnabled(true);            this.paintMyColor();//表明顏色            this.disableLink();        }        else//下子的信息        {            int color=Integer.parseInt(message.substring(0,1));            this.messagePoint.x=Integer.parseInt(message.substring(1,3));            this.messagePoint.y=Integer.parseInt(message.substring(3,5));            this.panelGo.setEnabled(true);//解禁            this.panelGo.doStep(this.messagePoint,color);        }    }    //為鼠標定位    void panelGo_mouseMoved(MouseEvent e)    {        Point realPoint=e.getPoint();        Point mousePoint=this.panelGo.getMousePoint(realPoint,this.goStartPoint);        this.removeLastMousePoint(this.LastPoint,mousePoint);        //this.LastPoint=mousePoint;大錯誤，使對象公用了一個地址        this.LastPoint.x=mousePoint.x;        this.LastPoint.y=mousePoint.y;        if(this.isPlace(mousePoint))            this.showMousePoint(mousePoint);    }    //加黃點的范圍    boolean isPlace(Point p)    {        if(p.x>19||p.x<1||p.y<1||p.y>19)            return false;        int color;        One one;        one=(One)(this.panelGo.myHash.get(p));        color=one.color;        if(color!=0)            return false;        return true;    }    void panelGo_mouseClicked(MouseEvent e)    {        if(this.isSingle())        {            this.doSingle();        }        else        {            this.doMultiple();        }    }    //開始    void button2_actionPerformed(ActionEvent e)    {        if(e.getActionCommand().equals("開始"))        {            this.disableLink();            this.checkbox1.setEnabled(false);            this.checkbox2.setEnabled(false);            this.button2.setLabel("退出");            if(this.isSingle())                this.panelGo.setEnabled(true);            else//聯機版時            {                if(this.choice1.getSelectedItem().equals("黑"))                {                    this.writer.println("start_black");                }                else                    this.writer.println("start_white");            }            this.paintMyColor();//表明顏色        }        else if(e.getActionCommand().equals("退出"))        {            this.dispose();            System.exit(0);        }    }    //disable聯機時用的控件    void disableLink()    {        this.textField1.setBackground(new Color(236, 190, 98));        this.textField1.setEnabled(false);        this.choice1.setEnabled(false);        this.button1.setEnabled(false);    }    //enable聯機時的控件    void enableLink()