fivechessappletdemo.java

java经典10例子

	}
	
	//获取电脑下子的纵向坐标
	public int getY(){
		return this.y;
	}

	//计算棋盘上某一方格上八个方向棋子的最大值，
	//这八个方向分别是：左、右、上、下、左上、左下、右上、右下
	public int checkMax(int x, int y,int black_or_white){
		int num=0,max_num,max_temp=0;
		int x_temp=x,y_temp=y;
		int x_temp1=x_temp,y_temp1=y_temp;
		//judge right
		for(int i=1;i<5;i++){
			x_temp1+=1;
			if(x_temp1>this.width)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==black_or_white)
				num++;
			else
				break;
		}
		//judge left
		x_temp1=x_temp;
		for(int i=1;i<5;i++){
			x_temp1-=1;
			if(x_temp1<0)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==black_or_white)
				num++;
			else
				break;
		}
		if(num<5)
			max_temp=num;

		//judge up
		x_temp1=x_temp;
		y_temp1=y_temp;
		num=0;
		for(int i=1;i<5;i++){
			y_temp1-=1;
			if(y_temp1<0)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==black_or_white)
				num++;
			else
				break;
		}
		//judge down
		y_temp1=y_temp;
		for(int i=1;i<5;i++){
			y_temp1+=1;
			if(y_temp1>this.height)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==black_or_white)
				num++;
			else
				break;
		}
		if(num>max_temp&&num<5)
			max_temp=num;

		//judge left_up
		x_temp1=x_temp;
		y_temp1=y_temp;
		num=0;
		for(int i=1;i<5;i++){
			x_temp1-=1;
			y_temp1-=1;
			if(y_temp1<0 || x_temp1<0)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==black_or_white)
				num++;
			else
				break;
		}
		//judge right_down
		x_temp1=x_temp;
		y_temp1=y_temp;
		for(int i=1;i<5;i++){
			x_temp1+=1;
			y_temp1+=1;
			if(y_temp1>this.height || x_temp1>this.width)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==black_or_white)
				num++;
			else
				break;
		}
		if(num>max_temp&&num<5)
			max_temp=num;

		//judge right_up
		x_temp1=x_temp;
		y_temp1=y_temp;
		num=0;
		for(int i=1;i<5;i++){
			x_temp1+=1;
			y_temp1-=1;
			if(y_temp1<0 || x_temp1>this.width)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==black_or_white)
				num++;
			else
				break;
		}
		//judge left_down
		x_temp1=x_temp;
		y_temp1=y_temp;
		for(int i=1;i<5;i++){
			x_temp1-=1;
			y_temp1+=1;
			if(y_temp1>this.height || x_temp1<0)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==black_or_white)
				num++;
			else
				break;
		}
		if(num>max_temp&&num<5)
			max_temp=num;
		max_num=max_temp;
		return max_num;
	}

	//判断胜负
	public boolean judgeSuccess(int x,int y,boolean isodd){
		int num=1;
		int arrvalue;
		int x_temp=x,y_temp=y;
		if(isodd)
			arrvalue=2;
		else
			arrvalue=1;
		int x_temp1=x_temp,y_temp1=y_temp;
		//判断右边
		for(int i=1;i<6;i++){
			x_temp1+=1;
			if(x_temp1>this.width)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==arrvalue)
				num++;
			else
				break;
		}
		//判断左边
		x_temp1=x_temp;
		for(int i=1;i<6;i++){
			x_temp1-=1;
			if(x_temp1<0)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==arrvalue)
				num++;
			else
				break;
		}
		if(num==5)
			return true;

		//判断上方
		x_temp1=x_temp;
		y_temp1=y_temp;
		num=1;
		for(int i=1;i<6;i++){
			y_temp1-=1;
			if(y_temp1<0)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==arrvalue)
				num++;
			else
				break;
		}
		//判断下方
		y_temp1=y_temp;
		for(int i=1;i<6;i++){
			y_temp1+=1;
			if(y_temp1>this.height)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==arrvalue)
				num++;
			else
				break;
		}
		if(num==5)
			return true;

		//判断左上
		x_temp1=x_temp;
		y_temp1=y_temp;
		num=1;
		for(int i=1;i<6;i++){
			x_temp1-=1;
			y_temp1-=1;
			if(y_temp1<0 || x_temp1<0)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==arrvalue)
				num++;
			else
				break;
		}
		//判断右下
		x_temp1=x_temp;
		y_temp1=y_temp;
		for(int i=1;i<6;i++){
		x_temp1+=1;
		y_temp1+=1;
		if(y_temp1>this.height || x_temp1>this.width)
			break;
			if(this.arrMapShow[x_temp1][y_temp1]==arrvalue)
				num++;
			else
				break;
		}
		if(num==5)
			return true;

		//判断右上
		x_temp1=x_temp;
		y_temp1=y_temp;
		num=1;
		for(int i=1;i<6;i++){
			x_temp1+=1;
			y_temp1-=1;
			if(y_temp1<0 || x_temp1>this.width)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==arrvalue)
				num++;
			else
				break;
		}
		//判断左下
		x_temp1=x_temp;
		y_temp1=y_temp;
		for(int i=1;i<6;i++){
			x_temp1-=1;
			y_temp1+=1;
			if(y_temp1>this.height || x_temp1<0)
				break;
			if(this.arrMapShow[x_temp1][y_temp1]==arrvalue)
				num++;
			else
				break;
		}
		if(num==5)
			return true;
		return false;
	}

	//赢棋后的提示
	public void showSuccess(JPanel jp){
		JOptionPane.showMessageDialog(jp,"你赢了，好厉害!","win",
			JOptionPane.INFORMATION_MESSAGE);
	}
	
	//输棋后的提示
	public void showDefeat(JPanel jp){
		JOptionPane.showMessageDialog(jp,"你输了，请重新开始!","lost",
			JOptionPane.INFORMATION_MESSAGE);
	}
}

/*
 *类MainPanel主要完成如下功能：
 *1、构建一个面板，在该面板上画上棋盘；
 *2、处理在该棋盘上的鼠标事件（如鼠标左键点击、鼠标右键点击、鼠标拖动等）
 **/
class MainPanel extends JPanel 
	implements MouseListener,MouseMotionListener{
	private int width,height;//棋盘的宽度和高度
	private ChessModel cm;
	
	//根据棋盘模式设定面板的大小
	MainPanel(ChessModel mm){
		cm=mm;
		width=cm.getWidth();
		height=cm.getHeight();
		addMouseListener(this);
	}
    
    //根据棋盘模式设定棋盘的宽度和高度
	public void setModel(ChessModel mm){
		cm = mm;
		width = cm.getWidth();
		height = cm.getHeight();
	}

	//根据坐标计算出棋盘方格棋子的信息（如白子还是黑子），
	//然后调用draw方法在棋盘上画出相应的棋子
	public void paintComponent(Graphics g){
		super.paintComponent(g);
		for(int j = 0; j <= height; j++){
			for(int i = 0; i <= width; i++){
				int v = cm.getarrMapShow()[i][j];
				draw(g, i, j, v);
			}
		}
	}

	//根据提供的棋子信息（颜色、坐标）画棋子
	public void draw(Graphics g, int i, int j, int v){
		int x = 20 * i+20;
		int y = 20 * j+20;
		//画棋盘
		if(i!=width && j!=height){
			g.setColor(Color.white);
			g.drawRect(x,y,20,20);
		}
		//画黑色棋子
		if(v == 1 ){
			g.setColor(Color.gray);
			g.drawOval(x-8,y-8,16,16);
			g.setColor(Color.black);
			g.fillOval(x-8,y-8,16,16);
		}
		//画白色棋子
		if(v == 2 ){
			g.setColor(Color.gray);
			g.drawOval(x-8,y-8,16,16);
			g.setColor(Color.white);
			g.fillOval(x-8,y-8,16,16);
		}
		if(v ==3){
			g.setColor(Color.cyan);
			g.drawOval(x-8,y-8,16,16);
		}
	}

	//响应鼠标的点击事件，根据鼠标的点击来下棋，
	//根据下棋判断胜负等
	public void mousePressed(MouseEvent evt){
		int x = (evt.getX()-10) / 20;
		int y = (evt.getY()-10) / 20;
		System.out.println(x+" "+y);
		if (evt.getModifiers()==MouseEvent.BUTTON1_MASK){
			cm.play(x,y);
			System.out.println(cm.getisOdd()+" "+cm.getarrMapShow()[x][y]);
			repaint();
			if(cm.judgeSuccess(x,y,cm.getisOdd())){
				cm.showSuccess(this);
				evt.consume();
				ChessFrame.iscomputer=false;
			}
			//判断是否为人机对弈
			if(ChessFrame.iscomputer&&!cm.getisExist()){
				cm.computerDo(cm.getWidth(),cm.getHeight());
				repaint();
				if(cm.judgeSuccess(cm.getX(),cm.getY(),cm.getisOdd())){
					cm.showDefeat(this);
					evt.consume();
				}
			}
		}
	}

	public void mouseClicked(MouseEvent evt){}
	public void mouseReleased(MouseEvent evt){}
	public void mouseEntered(MouseEvent mouseevt){}
	public void mouseExited(MouseEvent mouseevent){}
	public void mouseDragged(MouseEvent evt){}
    
    //响应鼠标的拖动事件
	public void mouseMoved(MouseEvent moveevt){
		int x = (moveevt.getX()-10) / 20;
		int y = (moveevt.getY()-10) / 20;
		cm.readyplay(x,y);
		repaint();
	} 
}

class ChessWindowEvent extends WindowAdapter{
	public void windowClosing(WindowEvent e){
		System.exit(0);
	}

	ChessWindowEvent(){}
}