扫雷（java图形界面好例题）

CleanMine.java

package xjj;import java.awt.BorderLayout;import java.awt.Dimension;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.ButtonGroup;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JMenu;import javax.swing.JMenuBar;import javax.swing.JMenuItem;import javax.swing.JOptionPane;import javax.swing.JPanel;import javax.swing.JRadioButtonMenuItem;public class CleanMine extends JFrame implements ActionListener{public static int result,showNumb;//result表示标记是雷的个数，而showNumb表示点开的个数private boolean isFirst = true;//设置必须点击新游戏才能开始游戏private JLabel jlbtime,jlbremain;public static JLabel time;//时间public static JLabel remainMine;//剩余雷的个数private JButton start;private JPanel jpane;public static int row,col,mineNumber;//雷的排列，行和列，以及雷的总个数private Dimension dim;private JRadioButtonMenuItem[] difficult;//菜单项public CleanMine(){super("扫雷");dim=this.getToolkit().getScreenSize();//获取屏幕分辨率this.setLocation(dim.width*2/5, dim.height/3);//设置位置，根据难易程度做出人性化变动this.setDefaultCloseOperation(EXIT_ON_CLOSE);addMenu();jlbremain=new JLabel("剩余地雷：");time=new JLabel("10");remainMine=new JLabel("0");jlbtime=new JLabel("耗时：");start=new JButton("新游戏");start.setActionCommand("new");start.addActionListener(this);JPanel p=new JPanel();p.add(jlbremain);p.add(remainMine);p.add(start);p.add(jlbtime);p.add(time);this.add(p,BorderLayout.NORTH);this.row=9;this.col=9;this.mineNumber=10;restart();}private void restart() {if(jpane!=null){this.remove(jpane);}jpane=new MinePanel(row,col,mineNumber,isFirst);this.add(jpane,BorderLayout.CENTER);this.remainMine.setText(mineNumber+"");this.time.setText("0");this.setSize(col*30, row*30+10);this.setResizable(false);this.setVisible(true);}public void addMenu(){JMenuBar jbar=new JMenuBar();this.setJMenuBar(jbar);JMenu game = new JMenu("游戏");JMenu help = new JMenu("帮助");JMenuItem jitemexit=new JMenuItem("退出");jitemexit.setActionCommand("exit");ButtonGroup bgp=new ButtonGroup();String[] difficults={"复杂","中等","简单"};difficult=new JRadioButtonMenuItem[difficults.length];for(int i=difficults.length-1;i>=0;i--){difficult[i]=new JRadioButtonMenuItem(difficults[i],true);difficult[i].addActionListener(this);bgp.add(difficult[i]);game.add(difficult[i]);}game.addSeparator();jitemexit.addActionListener(this);game.add(jitemexit);jbar.add(game);JMenuItem jitemview=new JMenuItem("关于扫雷");jitemview.setActionCommand("view");jitemview.addActionListener(this);help.add(jitemview);jbar.add(help);}public static void main(String[] args){new CleanMine();}public void actionPerformed(ActionEvent e) {if(e.getActionCommand().equalsIgnoreCase("new")){this.result=0;this.showNumb=0;this.isFirst=false;restart();return ;}if(e.getActionCommand().equals("简单")){this.row=9;this.col=9;this.mineNumber=10;this.setLocation(dim.width*2/5, dim.height/3);restart();return ;}if(e.getActionCommand().equals("中等")){this.row=16;this.col=16;this.mineNumber=40;this.setLocation(dim.width*2/5, dim.height/5);restart();return ;}if(e.getActionCommand().equals("复杂")){this.row=16;this.col=30;this.mineNumber=99;this.setLocation(dim.width/7, dim.height/7);restart();return ;}if(e.getActionCommand().equalsIgnoreCase("exit")){System.exit(0);}if(e.getActionCommand().equalsIgnoreCase("view")){JOptionPane.showMessageDialog(this,"扫雷的规则:\n\t尽快找到雷区中的所有不是地雷的格子，而不许踩到地雷。" +"点开的数字是几，\n则说明该数字旁边的8个位置中有几个雷，如果挖开的是地雷，则会输掉游戏。");}}}

MinePanel.java

package xjj;import java.awt.Color;import java.awt.GridLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import javax.swing.JButton;import javax.swing.JOptionPane;import javax.swing.JPanel;public class MinePanel extends JPanel implements ActionListener{private boolean isFirst;private int row,col,mineNumber;private JButton[][] mine;private int[][] mark;Thread t;public MinePanel(int row,int col,int mineNumber,boolean isFirst){this.isFirst=isFirst;this.row=row;this.col=col;this.mineNumber=mineNumber;mine=new JButton[this.row][this.col];mark=new int[this.row][this.col];this.setLayout(new GridLayout(row,col));createMine();createButtons();if(isFirst){firstinist();}else{init();//初始化}}private void firstinist(){for(int i=0;i<mine.length;i++){for(int j=0;j<mine[i].length;j++){mine[i][j]=new JButton();this.add(mine[i][j]);}}}private void init() {this.setLayout(new GridLayout(row,col));for(int i=0;i<mine.length;i++){for(int j=0;j<mine[i].length;j++){this.add(mine[i][j]);}}}private void createButtons() {for(int i=0;i<mine.length;i++){for(int j=0;j<mine[i].length;j++){mine[i][j]=new MineButton(i,j);mine[i][j].setSize(6, 6);mine[i][j].addActionListener(this);mine[i][j].addMouseListener(new MouseAdapter(){public void mouseClicked(MouseEvent e){if(e.getButton()==MouseEvent.BUTTON3){int remain=Integer.parseInt(CleanMine.remainMine.getText());JButton b=(JButton)e.getSource();if(b.getText().equals("")&&remain>0){CleanMine.result++;//System.out.println(CleanMine.showNumb+" "+CleanMine.result);if(CleanMine.result==CleanMine.row*CleanMine.col-CleanMine.showNumb){JOptionPane.showMessageDialog(b, "congratulations ! xjj万岁 !");}remain--;CleanMine.remainMine.setText(remain+"");b.setText("$");}else if(b.getText().equals("$")){CleanMine.result--;System.out.println(CleanMine.showNumb);remain++;CleanMine.remainMine.setText(remain+"");b.setText("");}}}}                     );}}}private void createMine() {int n=0;while(n<mineNumber){//随机生成规定个数的雷的位置int i=(int)(Math.random()*row);int j=(int)(Math.random()*col);if(mark[i][j]!=-1){mark[i][j]=-1;n++;}}for(int i=0;i<mark.length;i++){//对地图做标记for(int j=0;j<mark[i].length;j++){if(mark[i][j]!=-1){mark[i][j]=getSurroundMineNumber(mark,i,j);}}}}private int getSurroundMineNumber(int[][] mark2, int n, int m) {int numb=0;int[] direct={0,1,-1};int x,y;for(int i=0;i<direct.length;i++){for(int j=0;j<direct.length;j++){if(i==0&&j==0){continue;}x=n+direct[i];y=m+direct[j];if(x>=0 && x<mark2.length && y>=0 &&  y<mark2[0].length){//对周围八个方向进行遍历numb+=(mark2[x][y]==-1? 1:0);}}}return numb;}public void actionPerformed(ActionEvent e) {MineButton b=(MineButton)e.getSource();int r=b.getRow();int c=b.getCol();if(mark[r][c]==-1){//踩到雷，将地图所有都显示出来//String str=CleanMine.time.getText();//isFirst=true;CleanMine.time.setText("0");for(int i=0;i<mark.length;i++){for(int j=0;j<mark[i].length;j++){if(mark[i][j]==-1){mine[i][j].setText("@");}else if(mark[i][j]==0){mine[i][j].setText("");mine[i][j].setBackground(Color.green);}else{mine[i][j].setText(mark[i][j]+"");mine[i][j].setBackground(Color.green);}}}JOptionPane.showMessageDialog(this, "叫你扫雷，不是踩雷，游戏结束 ！");}else{showEmpty(mark,r,c);}}private void showEmpty(int[][] mark2, int r, int c) {MineButton b=(MineButton)mine[r][c];if(b.isCleared()){return ;}CleanMine.showNumb++;//System.out.println(CleanMine.showNumb);if(CleanMine.result==CleanMine.row*CleanMine.col-CleanMine.showNumb){JOptionPane.showMessageDialog(this,"congratulations ! xjj万岁 !");}int x,y;int[] direct={0,1,-1};if(mark[r][c]==0){//若是空的  将其显示出来，并继续遍历b.setBackground(Color.green);b.setCleared(true);for(int i=0;i<direct.length;i++){for(int j=0;j<direct.length;j++){if(i==0&&j==0){continue;}if(b.getText().equals("$")){continue;}x=r+direct[i];y=c+direct[j];if(x>=0 && x<mark2.length && y>=0 &&  y<mark2[0].length){//CleanMine.showNumb++;showEmpty(mark2,x,y);}}}}else{if(b.getText().equals("$")){//若被标记是雷，则不显示return ;}b.setText(mark[r][c]+"");//若是数字，则将数字显示出来b.setBackground(Color.green);b.setCleared(true);}}}

MineButton.java

package xjj;import java.awt.Insets;import javax.swing.JButton;public class MineButton extends JButton {private int row,col;private boolean cleared=false;public MineButton(int row, int col) {this.row=row;this.col=col;this.setMargin(new Insets(0,0,0,0));}public int getCol() {return col;}public int getRow() {return row;}public boolean isCleared() {return cleared;}public void setCleared(boolean cleared) {this.cleared = cleared;}}