【年少的风】迷宫自动演示&&手动操作

 

import java.awt.*;
import java.awt.event.*;
import java.util.Scanner;

import javax.swing.*;

public class Maze extends JFrame {

    private final int n = 10;
    JButton[] btMaze = new JButton[n * n];
    int[] fx = {1,-1,0,0};
    int[] fy = {0,0,-1,1};
    int nowx = 0;
    int nowy = 0;
    int[][] maze = {
            { 0, 0, 0, 0, 0, 0, 1, 1, 1, 0 },
            { 0, 1, 1, 0, 1, 1, 1, 0, 0, 0 },
            { 0, 1, 0, 0, 0, 0, 0, 0, 1, 1 },
            { 0, 1, 1, 1, 1, 1, 1, 0, 0, 0 },
            { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1 },
            { 1, 1, 0, 1, 0, 1, 1, 1, 0, 1 },
            { 0, 0, 0, 0, 0, 1, 0, 1, 0, 1 },
            { 0, 1, 1, 1, 1, 1, 0, 1, 0, 0 },
            { 0, 1, 1, 0, 0, 0, 0, 1, 1, 0 },
            { 0, 0, 0, 0, 1, 1, 0, 0, 0, 0 } };

    public static void main(String[] args) {
        new Maze();
    }

    public Maze() {
        System.out.println("请选择演示方式：1.手动操作         2.自动演示");
        Scanner sc = new Scanner(System.in);
        int temp = sc.nextInt();
        if(temp == 1){
            frame(maze);
        }
        else if(temp == 2){
            frame(maze);
            search(0,0);
        }
        else{
            System.out.println("输入错误");
        }
    }

    private void frame(int[][] maze) {

        JFrame frame = new JFrame("迷宫");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(60 * n, 60 * n);
        frame.setLocation(200, 100);

        Container ct = frame.getContentPane();

        JPanel panel = new JPanel();
        panel.setLayout(new GridLayout(n, n, 0, 0));


        for (int i = 0; i < n * n; i++) {

            btMaze[i] = new JButton();
            btMaze[i].setBackground(Color.gray);
            panel.add(btMaze[i]);
        }

        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n; j++) {
                if (maze[i][j] == 1) {
                    btMaze[i * n + j].setBackground(Color.darkGray);
                }
            }
        }
        btMaze[nowx*n + nowy].setBackground(Color.blue);
        btMaze[n*n-1].setBackground(Color.red);

        frame.add(panel,new BorderLayout().CENTER);

        JPanel panel2 = new JPanel();
        JButton jrb1 = new JButton("手动操作");
        //jrb1.addActionListener(new MyListener(frame));
        jrb1.setSelected(true);
        JButton jrb2 = new JButton("自动完成");
        //jrb2.addActionListener(new MyListener(frame));

        panel2.add(jrb1);
        panel2.add(jrb2);
        panel2.setBackground(Color.gray);
        frame.add(panel2,new BorderLayout().SOUTH);
        frame.addKeyListener(new MyListener(frame));
        frame.setFocusable(true);// 不加没反应
        frame.setVisible(true);
    }

     public void search(int i, int j)
     {
         int k;
         int newi;
         int newj;
         btMaze[i*n + j].setBackground(Color.gray);
         for (k = 0; k < 4; k++)
         {
             if (check(i, j, k) == 1)
             {
                 newi = i + fx[k];
                 newj = j + fy[k];
                 maze[newi][newj] = 3;
                 btMaze[newi*n + newj].setBackground(Color.blue);
                 try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }

                 if (newi == n-1 && newj == n-1)
                 {
                     JOptionPane.showMessageDialog(null, "恭喜，胜利了");
                 }
                 else
                 {
                     search(newi, newj);
                     break;
                 }
             }
         }
         maze[i][j] = 2;
     }
     public int check(int i, int j, int k)
     {
         int flag = 1;
         i = i + fx[k];
         j = j + fy[k];
         if (i < 0 || i > n-1 || j < 0 || j > n-1)
         {
             flag = 0;
             return flag;
         }
         if (maze[i][j] != 0)
             flag = 0;
         return flag;
     }

    class MyListener extends KeyAdapter implements ActionListener{


        JFrame frame;
        public MyListener(JFrame frame) {
            this.frame = frame;
        }


        public void keyPressed(KeyEvent e) {

            if (e.getKeyCode() == KeyEvent.VK_UP) {
                if(nowx > 0){
                    if(maze[nowx-1][nowy] == 0){
                        btMaze[nowx*n + nowy].setBackground(Color.gray);
                        nowx--;
                        btMaze[nowx*n + nowy].setBackground(Color.blue);
                    }
                }
            }
            if (e.getKeyCode() == KeyEvent.VK_DOWN) {
                if(nowx < n-1){
                    if(maze[nowx+1][nowy] == 0){
                        btMaze[nowx*n + nowy].setBackground(Color.gray);
                        nowx++;
                        btMaze[nowx*n + nowy].setBackground(Color.blue);
                    }
                }
                if(nowx == n-1 && nowy == n-1){
                    JOptionPane.showMessageDialog(null, "恭喜，胜利了！");

                }
            }
            if (e.getKeyCode() == KeyEvent.VK_LEFT) {
                if(nowy > 0){
                    if(maze[nowx][nowy-1] == 0){
                        btMaze[nowx*n + nowy].setBackground(Color.gray);
                        nowy--;
                        btMaze[nowx*n + nowy].setBackground(Color.blue);
                    }
                }
            }
            if (e.getKeyCode() == KeyEvent.VK_RIGHT) {
                if(nowy < n-1){
                    if(maze[nowx][nowy+1] == 0){
                        btMaze[nowx*n + nowy].setBackground(Color.gray);
                        nowy++;
                        btMaze[nowx*n + nowy].setBackground(Color.blue);
                    }
                }
                if(nowx == n-1 && nowy == n-1){
                    JOptionPane.showMessageDialog(null, "恭喜，胜利了！");
                }
            }
        }


        public void actionPerformed(ActionEvent e) {

System.out.println(e.getActionCommand());
            if(e.getActionCommand().equals("手动操作")){

                frame.addKeyListener(new MyListener(frame));
            }
            if(e.getActionCommand().equals("自动完成")){
                search(0,0);
            }
        }
    }
}