Java程序：迷宫地图生成器

1、运行效果


可以在【0,50】之间随意设置行数和列数，比如设置为25行25列的迷宫地图数组。



迷宫地图的每一个方格，如果是白色，单击就变成黑色，如果是黑色，单击就变成白色。黑色对应数组里的1，白色对应数组里的0。因为没有采用路径搜索算法来设置有效的迷宫地图（存在从左上角到右下角的路径），所以需要“随机”和“人工”相结合才能得到一个有效的迷宫地图数组。
2、Java源代码

/**
功能：迷宫地图生成器
作者：华卫
日期：2008年4月8日
*/

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Random;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.ScrollPaneConstants;

public class MapGenerator extends JFrame implements ActionListener {

/**
* 常量、变量定义部分
*/

static MapGenerator mg;
JPanel backPanel, centerPanel, leftPanel, rightPanel, bottomPanel;
JButton btnOK, btnGenerate, btnRandom, btnExit;
JButton[][] btnBlock;
JScrollPane scrollPane;
JTextArea txtMap;
JLabel lblRow, lblCol;
StringBuffer buffer;
JComboBox rowList, colList;

boolean[][] m_bSelected;
int[][] map;
int ROW, COL;

public static void main(String arg[]) {
mg = new MapGenerator("迷宫地图生成器V1.0_华卫_2008年4月8日");
}

public void setRow(int row) {
ROW = row;
}

public void setCol(int col) {
COL = col;
}

public void initialize() {
/**
* 设计地图生成器界面 *
*/
if (ROW == 0) {
ROW = 50;
}

if (COL == 0) {
COL = 50;
}

backPanel = new JPanel(new BorderLayout());
centerPanel = new JPanel(new GridLayout(1, 2));
leftPanel = new JPanel(new GridLayout(ROW, COL));
rightPanel = new JPanel(new GridLayout(1, 1));
bottomPanel = new JPanel();
rowList = new JComboBox();
for (int i = 3; i <= 50; i++) {
rowList.addItem(String.valueOf(i));
}
colList = new JComboBox();
for (int i = 3; i <= 50; i++) {
colList.addItem(String.valueOf(i));
}
rowList.setSelectedIndex(ROW - 3);
colList.setSelectedIndex(COL - 3);
btnOK = new JButton("确定");
btnGenerate = new JButton("按图生成地图数组");
btnRandom = new JButton("随机生成地图数组");
btnBlock = new JButton[ROW][COL];
btnExit = new JButton("退出");
m_bSelected = new boolean[ROW][COL];
map = new int[ROW][COL];
lblRow = new JLabel("设置行数：");
lblCol = new JLabel("设置列数：");
txtMap = new JTextArea("");
txtMap.setEditable(false);
txtMap.setFont(new Font("Gorgia", Font.BOLD, 14));
scrollPane = new JScrollPane(txtMap,
ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);

this.setContentPane(backPanel);

backPanel.add(centerPanel, "Center");
backPanel.add(bottomPanel, "South");

centerPanel.add(leftPanel);
centerPanel.add(rightPanel);

for (int i = 0; i < ROW; i++) {
for (int j = 0; j < COL; j++) {
btnBlock[i][j] = new JButton("");
btnBlock[i][j].setBackground(Color.WHITE);
leftPanel.add(btnBlock[i][j]);
map[i][j] = 0;
}
}

rightPanel.add(scrollPane);

bottomPanel.add(lblRow);
bottomPanel.add(rowList);
bottomPanel.add(lblCol);
bottomPanel.add(colList);
bottomPanel.add(btnOK);
bottomPanel.add(btnGenerate);
bottomPanel.add(btnRandom);
bottomPanel.add(btnExit);

// 设置窗口
this.setSize(900, 620);
this.setResizable(false);
this.setLocationRelativeTo(null); // 让窗口在屏幕居中

// 将窗口设置为可见的
this.setVisible(true);

// 注册监听器
this.addWindowListener(new WindowAdapter() {
public void windowClosed(WindowEvent e) {
System.exit(0);
}
});
btnOK.addActionListener(this);
btnGenerate.addActionListener(this);
btnRandom.addActionListener(this);
btnExit.addActionListener(this);
for (int i = 0; i < ROW; i++) {
for (int j = 0; j < COL; j++) {
btnBlock[i][j].addActionListener(this);
}
}
}

public MapGenerator(String name) {
super(name);
initialize();
}

public void actionPerformed(ActionEvent e) {
buffer = new StringBuffer();
if (e.getSource() == btnGenerate) {
buffer.append("map[" + ROW + "][" + COL + "]={\n");
for (int i = 0; i < ROW; i++) {
buffer.append("{");
for (int j = 0; j < COL; j++) {
if (j < COL - 1) {
buffer.append(map[i][j] + ", ");
} else if (i != ROW - 1) {
buffer.append(map[i][j] + "}, ");
} else {
buffer.append(map[i][j] + "}");
}
}
buffer.append("\n");
}
buffer.append("}");
txtMap.setText(buffer.toString());
} else if (e.getSource() == btnRandom) {
Random r = new Random();
buffer.append("map[" + ROW + "][" + COL + "]={\n");
for (int i = 0; i < ROW; i++) {
buffer.append("{");
for (int j = 0; j < COL; j++) {
int k = Math.abs(r.nextInt()) % 2;
if (j < COL - 1) {
buffer.append(k + ", ");
} else if (i != ROW - 1) {
buffer.append(k + "}, ");
} else {
buffer.append(k + "}");
}
if (k == 1) {
btnBlock[i][j].setBackground(Color.BLACK);
map[i][j] = 1;
m_bSelected[i][j] = true;
} else {
btnBlock[i][j].setBackground(Color.WHITE);
map[i][j] = 0;
m_bSelected[i][j] = false;
}
}
buffer.append("\n");
}
buffer.append("}");
txtMap.setText(buffer.toString());
} else if (e.getSource() == btnOK) {
mg.setRow(rowList.getSelectedIndex() + 3);
mg.setCol(colList.getSelectedIndex() + 3);
initialize();
} else if (e.getSource() == btnExit) {
System.exit(0);
} else {
for (int i = 0; i < ROW; i++) {
for (int j = 0; j < COL; j++) {
if (e.getSource() == btnBlock[i][j]) {
m_bSelected[i][j] = !m_bSelected[i][j];
if (m_bSelected[i][j]) {
btnBlock[i][j].setBackground(Color.BLACK);
map[i][j] = 1;
} else {
btnBlock[i][j].setBackground(Color.WHITE);
map[i][j] = 0;
}
break;
}
}
}
}
}
}