java拼图游戏完整代码教程分析.docVIP

// Cell.java package cn.itcast.picture.ui; import javax.swing.Icon; import javax.swing.JButton; /* * 图片小方格类 */ public class Cell extends JButton { //带有图片的小方格 public Cell(Icon icon) { super(icon); //设置小方格大小 this.setSize(150, 150); } //带有图片和文字的小方格 public Cell(String text, Icon icon) { super(text, icon); //设置小方格大小 this.setSize(150, 150); this.setHorizontalTextPosition(CENTER);//设置文字水平居中显示 this.setVerticalTextPosition(CENTER);//设置文字垂直居中显示 } // public void move(String direction) { switch (direction) { case UP: this.setLocation(this.getBounds().x,this.getBounds().y-150); break; case DOWN: this.setLocation(this.getBounds().x,this.getBounds().y+150); break; case LEFT: this.setLocation(this.getBounds().x-150,this.getBounds().y); break; case RIGHT: this.setLocation(this.getBounds().x+150,this.getBounds().y); break; default: break; } } } //PictureCanvas.java package cn.itcast.picture.ui; import java.awt.Rectangle; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import javax.swing.ImageIcon; import javax.swing.JOptionPane; import javax.swing.JPanel; /* * 拼图类 */ public class PictureCanvas extends JPanel implements MouseListener { //静态变量 public static int pictureID = 1;//图片ID public static int stepNum = 0;//步数 private Cell[] cell; private boolean hasAddActionListener = false;//表示是否为小方格添加了点击监听，有为true private Rectangle nullCell; //构造方法 public PictureCanvas() { initCanvas(); } //初始化 public void initCanvas(){ //设置拼图区的位置 this.setLayout(null);//帧布局 //创建12个小方格，并添加到拼图区 cell = new Cell[12]; for(int i = 0;i 4;i++){ for(int j = 0;j 3;j++){ //加载图片 int num = i*3+j; ImageIcon icon = new ImageIcon(picture/+pictureID+_+(num+1)+.gif); //创建图片小方格 cell[num] = new Cell(icon); //指定显示位置 cell[num].setLocation(150*j+20, i*150+20); //把图片小方格添加到拼图区 this.add(cell[num]); } } //删除第12个小方格 this.remove(cell[11]); nullCell = new Recta